hypothetical protein [Pongo abelii]
immunoglobulin domain-containing protein( domain architecture ID 10146027)
immunoglobulin (Ig) domain-containing protein with one or more Ig domains, which adopt a fold comprised of a sandwich of two beta sheets and may function in cell adhesion and/or pattern recognition; similar to polymeric immunoglobulin receptor
List of domain hits
Name | Accession | Description | Interval | E-value | |||
IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
464-560 | 2.27e-35 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. : Pssm-ID: 409381 Cd Length: 100 Bit Score: 129.44 E-value: 2.27e-35
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IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
24-126 | 3.89e-29 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. : Pssm-ID: 409381 Cd Length: 100 Bit Score: 111.34 E-value: 3.89e-29
|
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IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
356-457 | 4.77e-29 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. : Pssm-ID: 409381 Cd Length: 100 Bit Score: 111.34 E-value: 4.77e-29
|
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IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
239-331 | 9.36e-23 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. : Pssm-ID: 409381 Cd Length: 100 Bit Score: 93.23 E-value: 9.36e-23
|
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IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
134-236 | 2.05e-19 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. : Pssm-ID: 409381 Cd Length: 100 Bit Score: 83.60 E-value: 2.05e-19
|
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Name | Accession | Description | Interval | E-value | |||
IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
464-560 | 2.27e-35 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. Pssm-ID: 409381 Cd Length: 100 Bit Score: 129.44 E-value: 2.27e-35
|
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IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
24-126 | 3.89e-29 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. Pssm-ID: 409381 Cd Length: 100 Bit Score: 111.34 E-value: 3.89e-29
|
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IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
356-457 | 4.77e-29 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. Pssm-ID: 409381 Cd Length: 100 Bit Score: 111.34 E-value: 4.77e-29
|
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IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
239-331 | 9.36e-23 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. Pssm-ID: 409381 Cd Length: 100 Bit Score: 93.23 E-value: 9.36e-23
|
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IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
134-236 | 2.05e-19 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. Pssm-ID: 409381 Cd Length: 100 Bit Score: 83.60 E-value: 2.05e-19
|
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V-set | pfam07686 | Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ... |
24-127 | 1.60e-13 | |||
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Pssm-ID: 462230 Cd Length: 109 Bit Score: 67.48 E-value: 1.60e-13
|
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V-set | pfam07686 | Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ... |
355-441 | 1.06e-11 | |||
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Pssm-ID: 462230 Cd Length: 109 Bit Score: 62.09 E-value: 1.06e-11
|
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IG_like | smart00410 | Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. |
467-560 | 3.47e-10 | |||
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. Pssm-ID: 214653 [Multi-domain] Cd Length: 85 Bit Score: 57.13 E-value: 3.47e-10
|
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IG_like | smart00410 | Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. |
138-237 | 2.64e-09 | |||
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. Pssm-ID: 214653 [Multi-domain] Cd Length: 85 Bit Score: 54.43 E-value: 2.64e-09
|
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V-set | pfam07686 | Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ... |
466-546 | 5.74e-09 | |||
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Pssm-ID: 462230 Cd Length: 109 Bit Score: 54.39 E-value: 5.74e-09
|
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IG_like | smart00410 | Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. |
25-127 | 5.02e-05 | |||
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. Pssm-ID: 214653 [Multi-domain] Cd Length: 85 Bit Score: 42.49 E-value: 5.02e-05
|
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V-set | pfam07686 | Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ... |
141-238 | 1.52e-04 | |||
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Pssm-ID: 462230 Cd Length: 109 Bit Score: 41.67 E-value: 1.52e-04
|
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V-set | pfam07686 | Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ... |
240-340 | 2.77e-04 | |||
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Pssm-ID: 462230 Cd Length: 109 Bit Score: 40.90 E-value: 2.77e-04
|
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IG_like | smart00410 | Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. |
356-455 | 4.46e-04 | |||
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. Pssm-ID: 214653 [Multi-domain] Cd Length: 85 Bit Score: 39.80 E-value: 4.46e-04
|
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IG_like | smart00410 | Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. |
267-337 | 5.00e-03 | |||
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. Pssm-ID: 214653 [Multi-domain] Cd Length: 85 Bit Score: 36.71 E-value: 5.00e-03
|
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Name | Accession | Description | Interval | E-value | |||
IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
464-560 | 2.27e-35 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. Pssm-ID: 409381 Cd Length: 100 Bit Score: 129.44 E-value: 2.27e-35
|
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IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
24-126 | 3.89e-29 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. Pssm-ID: 409381 Cd Length: 100 Bit Score: 111.34 E-value: 3.89e-29
|
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IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
356-457 | 4.77e-29 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. Pssm-ID: 409381 Cd Length: 100 Bit Score: 111.34 E-value: 4.77e-29
|
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IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
239-331 | 9.36e-23 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. Pssm-ID: 409381 Cd Length: 100 Bit Score: 93.23 E-value: 9.36e-23
|
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IgV_pIgR_like | cd05716 | Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The ... |
134-236 | 2.05e-19 | |||
Immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins; The members here are composed of the immunoglobulin (Ig)-like domain in the polymeric Ig receptor (pIgR) and similar proteins. pIgR delivers dimeric IgA and pentameric IgM to mucosal secretions. Polymeric immunoglobulin (pIgs) are the first defense against pathogens and toxins. IgA and IgM can form polymers via an 18-residue extension at their C-termini referred to as the tailpiece. pIgR transports pIgs across mucosal epithelia into mucosal secretions. Human pIgR is a glycosylated type I transmembrane protein, comprised of a 620-residue extracellular region, a 23-residue transmembrane region, and a 103-residue cytoplasmic tail. The extracellular region contains five domains that share sequence similarity with Ig variable (v) regions. This group also contains the Ig-like extracellular domains of other receptors such as NK cell receptor Nkp44 and myeloid receptors, among others. Pssm-ID: 409381 Cd Length: 100 Bit Score: 83.60 E-value: 2.05e-19
|
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V-set | pfam07686 | Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ... |
24-127 | 1.60e-13 | |||
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Pssm-ID: 462230 Cd Length: 109 Bit Score: 67.48 E-value: 1.60e-13
|
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V-set | pfam07686 | Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ... |
355-441 | 1.06e-11 | |||
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Pssm-ID: 462230 Cd Length: 109 Bit Score: 62.09 E-value: 1.06e-11
|
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IG_like | smart00410 | Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. |
467-560 | 3.47e-10 | |||
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. Pssm-ID: 214653 [Multi-domain] Cd Length: 85 Bit Score: 57.13 E-value: 3.47e-10
|
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IG_like | smart00410 | Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. |
138-237 | 2.64e-09 | |||
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. Pssm-ID: 214653 [Multi-domain] Cd Length: 85 Bit Score: 54.43 E-value: 2.64e-09
|
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V-set | pfam07686 | Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ... |
466-546 | 5.74e-09 | |||
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Pssm-ID: 462230 Cd Length: 109 Bit Score: 54.39 E-value: 5.74e-09
|
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IgV | cd00099 | Immunoglobulin variable domain (IgV); The members here are composed of the immunoglobulin ... |
141-231 | 1.33e-05 | |||
Immunoglobulin variable domain (IgV); The members here are composed of the immunoglobulin variable domain (IgV). The IgV family contains the standard Ig superfamily V-set AGFCC'C"/DEB domain topology, and are components of immunoglobulin (Ig) and T cell receptors. The basic structure of Ig molecules is a tetramer of two light chains and two heavy chains linked by disulfide bonds. In Ig, each chain is composed of one variable domain (IgV) and one or more constant domains (IgC); these names reflect the fact that the variability in sequences is higher in the variable domain than in the constant domain. Within the variable domain, there are regions of even more variability called the hypervariable or complementarity-determining regions (CDRs) which are responsible for antigen binding. A predominant feature of most Ig domains is the disulfide bridge connecting 2 beta-sheets with a tryptophan residue packed against the disulfide bond. Ig superfamily (IgSF) domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. Typically, the V-set domains have A, B, E and, D strands in one sheet and A', G, F, C, C', and C" strands in the other. Pssm-ID: 409355 [Multi-domain] Cd Length: 111 Bit Score: 44.63 E-value: 1.33e-05
|
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IgV_PD1 | cd16088 | Immunoglobulin (Ig)-like domain of Programmed Cell Death 1 (PD1); The members here are ... |
20-111 | 2.84e-05 | |||
Immunoglobulin (Ig)-like domain of Programmed Cell Death 1 (PD1); The members here are composed of the immunoglobulin (Ig)-like domain of Programmed Cell Death 1 (PD1; also known as CD279/cluster of differentiation 279). PD1 is a cell surface receptor that is expressed on T cells and pro-B cells. The protein's structure includes an extracellular IgV domain followed by a transmembrane region and an intracellular tail. Activation of CD4+ T cells, CD8+ T cells, NKT cells, B cells, and monocytes induces PD-1 expression, immediately after which it binds two distinct ligands, PD-L1 (also known as B7-H1 or CD274/cluster of differentiation 274) and PD-L2, also known as B7-DC. PD-1 plays an important role in down regulating the immune system by preventing the activation of T-cells, reducing autoimmunity and promoting self-tolerance. The inhibitory effect of PD-1 is accomplished by promoting apoptosis in antigen specific T-cells in lymph nodes while simultaneously reducing apoptosis in regulatory T cells. A class of drugs that target PD-1, known as the PD-1 inhibitors, activate the immune system to attack tumors and treat cancer. Comparisons between the mouse PD-1 (mPD-1) and human PD-1 (hPD-1) reveals that unlike the mPD-1 which has a conventional IgSF V-set domain, hPD-1 lacks a C" strand, and instead the C' and D strands are connected by a long and flexible loop. In addition, the BC loop is not stabilized by disulfide bonding to the F strand of the ligand binding beta sheet. These differences result in different binding affinities of human and mouse PD-1 for their ligands. Pssm-ID: 409509 Cd Length: 112 Bit Score: 44.03 E-value: 2.84e-05
|
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IgV_TCR_alpha | cd04983 | Immunoglobulin (Ig) variable (V) domain of T-cell receptor (TCR) alpha chain and similar ... |
127-230 | 4.27e-05 | |||
Immunoglobulin (Ig) variable (V) domain of T-cell receptor (TCR) alpha chain and similar proteins; The members here are composed of the immunoglobulin (Ig) variable domain of the alpha chain of alpha/beta T-cell antigen receptors (TCRs). TCRs mediate antigen recognition by T lymphocytes, and are composed of alpha and beta, or gamma and delta polypeptide chains with variable (V) and constant (C) regions. This group represents the variable domain of the alpha chain of TCRs and also includes the variable domain of delta chains of TCRs. Alpha/beta TCRs recognize antigen as peptide fragments presented by major histocompatibility complex (MHC) molecules. The variable domain of TCRs is responsible for antigen recognition, and is located at the N-terminus of the receptor. Gamma/delta TCRs recognize intact protein antigens directly without antigen processing and recognize MHC independently of the bound peptide. Members of this group contain standard Ig superfamily V-set AGFCC'C"/DEB domain topology. Pssm-ID: 409372 [Multi-domain] Cd Length: 109 Bit Score: 43.41 E-value: 4.27e-05
|
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IG_like | smart00410 | Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. |
25-127 | 5.02e-05 | |||
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. Pssm-ID: 214653 [Multi-domain] Cd Length: 85 Bit Score: 42.49 E-value: 5.02e-05
|
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V-set | pfam07686 | Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ... |
141-238 | 1.52e-04 | |||
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Pssm-ID: 462230 Cd Length: 109 Bit Score: 41.67 E-value: 1.52e-04
|
|||||||
V-set | pfam07686 | Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 ... |
240-340 | 2.77e-04 | |||
Immunoglobulin V-set domain; This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Pssm-ID: 462230 Cd Length: 109 Bit Score: 40.90 E-value: 2.77e-04
|
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IG_like | smart00410 | Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. |
356-455 | 4.46e-04 | |||
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. Pssm-ID: 214653 [Multi-domain] Cd Length: 85 Bit Score: 39.80 E-value: 4.46e-04
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Ig_Neurocan | cd05902 | Immunoglobulin (Ig)-like domain of the chondroitin sulfate proteoglycan core protein (CSPG), ... |
365-441 | 5.22e-04 | |||
Immunoglobulin (Ig)-like domain of the chondroitin sulfate proteoglycan core protein (CSPG), neurocan; The members here are composed of the immunoglobulin (Ig)-like domain of the chondroitin sulfate proteoglycan core protein (CSPG), neurocan. In CSPGs, the Ig-like domain is followed by hyaluronan (HA)-binding tandem repeats, and a C-terminal region with epidermal growth factor-like, lectin-like, and complement regulatory protein-like domains. Separating these N- and C-terminal regions is a nonhomologous glycosaminoglycan attachment region. In cartilage, the CSPG aggrecan (not included in this group) forms cartilage link protein stabilized aggregates with HA. These aggregates contribute to the tissue's load bearing properties. Unlike aggrecan which is widely distributed in connective tissue and extracellular matrices, neurocan is localized almost exclusively in nervous tissue. Aggregates having other CSPGs substituting for aggrecan may contribute to the structural integrity of many different tissues. Members of the vertebrate HPLN (hyaluronan/HA and proteoglycan binding link) protein family are physically linked adjacent to CSPG genes. Pssm-ID: 409483 Cd Length: 121 Bit Score: 40.59 E-value: 5.22e-04
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IgI_2_JAM1 | cd20950 | Second Ig-like domain of Junctional adhesion molecule-1 (JAM1); a member of the I-set of IgSF ... |
141-226 | 6.01e-04 | |||
Second Ig-like domain of Junctional adhesion molecule-1 (JAM1); a member of the I-set of IgSF domains; The members here are composed of the second Ig-like domain of Junctional adhesion molecule-1 (JAM1). JAM1 is an immunoglobulin superfamily (IgSF) protein with two Ig-like domains in its extracellular region; it plays a role in the formation of endothelial and epithelial tight junction and acts as a receptor for mammalian reovirus sigma-1. The IgSF is a heterogenous group of proteins, built on a common fold comprised of a sandwich of two beta sheets. The two sheets are linked together by a conserved disulfide bond between B strand and F strand. IgSF domains can be divided into 4 main classes based on their structures and sequences: the Variable (V), Constant 1 (C1), Constant 2 (C2), and Intermediate (I) sets. The second Ig-like domain of JAM1 is a member of the I-set Ig domains, having A-B-E-D strands in one beta-sheet and A'-G-F-C-C' in the other. Like the V-set Ig domains, the A strand of the I-set is discontinuous but lacks a C" strand. I-set domains are found in several cell adhesion molecules (such as VCAM, ICAM, and MADCAM), and are also present in numerous other diverse protein families, including several tyrosine-protein kinase receptors. Pssm-ID: 409542 Cd Length: 97 Bit Score: 39.61 E-value: 6.01e-04
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Ig_LP_like | cd05877 | Immunoglobulin (Ig)-like domain of human cartilage link protein (LP), and similar domains; The ... |
240-325 | 1.13e-03 | |||
Immunoglobulin (Ig)-like domain of human cartilage link protein (LP), and similar domains; The members here are composed of the immunoglobulin (Ig)-like domain similar to that found in human cartilage link protein (LP; also called hyaluronan and proteoglycan link protein). In cartilage, chondroitin-keratan sulfate proteoglycan (CSPG), aggrecan, forms cartilage link protein stabilized aggregates with hyaluronan (HA). These aggregates contribute to the tissue's load bearing properties. Aggregates having other CSPGs substituting for aggrecan may contribute to the structural integrity of many different tissues. Members of the vertebrate HPLN (hyaluronan/HA and proteoglycan binding link) protein family are physically linked adjacent to CSPG genes. Pssm-ID: 409461 Cd Length: 117 Bit Score: 39.23 E-value: 1.13e-03
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IgV_1_PVR_like | cd05718 | First immunoglobulin variable (IgV) domain of poliovirus receptor (PVR, also known as CD155 ... |
25-110 | 1.36e-03 | |||
First immunoglobulin variable (IgV) domain of poliovirus receptor (PVR, also known as CD155 and necl-5), and similar domains; The members here are composed of the first immunoglobulin (Ig) domain of poliovirus receptor (PVR, also known as CD155 and nectin-like protein 5 (necl-5)). Poliovirus (PV) binds to its cellular receptor (PVR/CD155) to initiate infection. CD155 is a membrane-anchored, single-span glycoprotein; its extracellular region has three Ig-like domains. There are four different isotypes of CD155 (referred to as alpha, beta, gamma, and delta), that result from alternate splicing of the CD155 mRNA, and have identical extracellular domains. CD155-beta and CD155-gamma are secreted; CD155-alpha and CD155-delta are membrane-bound and function as PV receptors. The virus recognition site is contained in the amino-terminal domain, D1. Having the virus attachment site on the receptor distal from the plasma membrane may be important for successful initiation of infection of cells by the virus. CD155 binds in the poliovirus "canyon" with a footprint similar to that of the intercellular adhesion molecule-1 receptor on human rhinoviruses. This group also includes the first Ig-like domain of nectin-1 (also known as poliovirus receptor related protein(PVRL)1; CD111), nectin-3 (also known as PVRL 3), nectin-4 (also known as PVRL4; LNIR receptor)and DNAX accessory molecule 1 (DNAM-1; CD226). Pssm-ID: 409383 Cd Length: 113 Bit Score: 38.97 E-value: 1.36e-03
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IgV_CAR_like | cd20960 | Immunoglobulin Variable (V) domain of the Coxsackievirus and Adenovirus Receptor (CAR), and ... |
275-334 | 1.95e-03 | |||
Immunoglobulin Variable (V) domain of the Coxsackievirus and Adenovirus Receptor (CAR), and similar proteins; The members here are composed of the Variable (V) domain of the Coxsackievirus and Adenovirus Receptor (CAR), and similar proteins. CAR, which is encoded by human CXADR gene, is a cell adhesion molecule of the Immunoglobulin (Ig) superfamily. The CAR acts as a type I membrane receptor for group B1-B6 coxsackie viruses and subgroup C adenoviruses. For instance, adenovirus interacts with the coxsackievirus and adenovirus receptor to enter epithelial airway cells. The CAR is also shown to be involved in physiological processes such as neuronal and heart development, epithelial tight junction integrity, and tumor suppression. The CAR is a component of the epithelial apical junction complex that may function as a homophilic cell adhesion molecule and is essential for tight junction integrity. The CAR is also involved in transepithelial migration of leukocytes through adhesive interactions with JAML a transmembrane protein of the plasma membrane of leukocytes. The interaction between both receptors also mediates the activation of gamma-delta T-cells, a subpopulation of T-cells residing in epithelia and involved in tissue homeostasis and repair. The CAR is composed of one V-set and one C2-set Ig module, a single transmembrane helix, and an intracellular domain. This group belongs to the V-set of IgSF domains, having A, B, E and D strands in one beta-sheet and A', G, F, C, C' and C" in the other Pssm-ID: 409552 Cd Length: 114 Bit Score: 38.59 E-value: 1.95e-03
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Ig_LP_like | cd05877 | Immunoglobulin (Ig)-like domain of human cartilage link protein (LP), and similar domains; The ... |
135-254 | 2.92e-03 | |||
Immunoglobulin (Ig)-like domain of human cartilage link protein (LP), and similar domains; The members here are composed of the immunoglobulin (Ig)-like domain similar to that found in human cartilage link protein (LP; also called hyaluronan and proteoglycan link protein). In cartilage, chondroitin-keratan sulfate proteoglycan (CSPG), aggrecan, forms cartilage link protein stabilized aggregates with hyaluronan (HA). These aggregates contribute to the tissue's load bearing properties. Aggregates having other CSPGs substituting for aggrecan may contribute to the structural integrity of many different tissues. Members of the vertebrate HPLN (hyaluronan/HA and proteoglycan binding link) protein family are physically linked adjacent to CSPG genes. Pssm-ID: 409461 Cd Length: 117 Bit Score: 38.08 E-value: 2.92e-03
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Ig_CSPGs_LP_like | cd05714 | Immunoglobulin (Ig)-like domain of chondroitin sulfate proteoglycans (CSPGs), human cartilage ... |
145-225 | 3.29e-03 | |||
Immunoglobulin (Ig)-like domain of chondroitin sulfate proteoglycans (CSPGs), human cartilage link protein (LP), and similar domains; The members here are composed of the immunoglobulin (Ig)-like domain similar to that found in chondroitin sulfate proteoglycans (CSPGs) and human cartilage link protein (LP). Included in this group are the CSPGs aggrecan, versican, and neurocan. In CSPGs, this Ig-like domain is followed by hyaluronan (HA)-binding tandem repeats, and a C-terminal region with epidermal growth factor-like, lectin-like, and complement regulatory protein-like domains. Separating these N- and C-terminal regions is a nonhomologous glycosaminoglycan attachment region. In cartilage, aggrecan forms cartilage link protein stabilized aggregates with hyaluronan (HA). These aggregates contribute to the tissue's load bearing properties. Aggrecan and versican have a wide distribution in connective tissue and extracellular matrices. Neurocan is localized almost exclusively in nervous tissue. Aggregates having other CSPGs substituting for aggrecan may contribute to the structural integrity of many different tissues. There is considerable evidence that HA-binding CSPGs are involved in developmental processes in the central nervous system. Members of the vertebrate HPLN (hyaluronan/HA and proteoglycan binding link) protein family are physically linked adjacent to CSPG genes. Pssm-ID: 409379 Cd Length: 123 Bit Score: 38.35 E-value: 3.29e-03
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Ig_Neurocan | cd05902 | Immunoglobulin (Ig)-like domain of the chondroitin sulfate proteoglycan core protein (CSPG), ... |
173-237 | 4.57e-03 | |||
Immunoglobulin (Ig)-like domain of the chondroitin sulfate proteoglycan core protein (CSPG), neurocan; The members here are composed of the immunoglobulin (Ig)-like domain of the chondroitin sulfate proteoglycan core protein (CSPG), neurocan. In CSPGs, the Ig-like domain is followed by hyaluronan (HA)-binding tandem repeats, and a C-terminal region with epidermal growth factor-like, lectin-like, and complement regulatory protein-like domains. Separating these N- and C-terminal regions is a nonhomologous glycosaminoglycan attachment region. In cartilage, the CSPG aggrecan (not included in this group) forms cartilage link protein stabilized aggregates with HA. These aggregates contribute to the tissue's load bearing properties. Unlike aggrecan which is widely distributed in connective tissue and extracellular matrices, neurocan is localized almost exclusively in nervous tissue. Aggregates having other CSPGs substituting for aggrecan may contribute to the structural integrity of many different tissues. Members of the vertebrate HPLN (hyaluronan/HA and proteoglycan binding link) protein family are physically linked adjacent to CSPG genes. Pssm-ID: 409483 Cd Length: 121 Bit Score: 37.89 E-value: 4.57e-03
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IG_like | smart00410 | Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. |
267-337 | 5.00e-03 | |||
Immunoglobulin like; IG domains that cannot be classified into one of IGv1, IGc1, IGc2, IG. Pssm-ID: 214653 [Multi-domain] Cd Length: 85 Bit Score: 36.71 E-value: 5.00e-03
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