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Links from Protein

Items: 7

1.

SH3 domain-containing protein

Date:
2024-08-14
Family Accession:
NF019844.5
Method:
HMM
2.

3D domain-containing protein

This short presumed domain contains three conserved aspartate residues, hence the name 3D. It has been shown to be part of the catalytic double psi beta barrel domain of MltA [1]. [1]. 16139297. Crystal structure of MltA from Escherichia coli reveals a unique. lytic transglycosylase fold.. van Straaten KE, Dijkstra BW, Vollmer W, Thunnissen AM;. J Mol Biol 2005;352:1068-1080. (from Pfam)

GO Terms:
Molecular Function:
hydrolase activity, hydrolyzing O-glycosyl compounds (GO:0004553)
Biological Process:
peptidoglycan turnover (GO:0009254)
Cellular Component:
outer membrane (GO:0019867)
Date:
2024-08-14
Family Accession:
NF018437.5
Method:
HMM
3.

SH3 domain-containing protein

SH3 (src Homology-3) domains are small protein modules containing approximately 50 amino acid residues [1, 2]. They are found in a great variety of intracellular or membrane-associated proteins [3, 4, 5] for example, in a variety of proteins with enzymatic activity, in adaptor proteins, such as fodrin and yeast actin binding protein ABP-1. The SH3 domain has a characteristic fold which consists of five or six beta-strands arranged as two tightly packed anti-parallel beta sheets. The linker regions may contain short helices. The surface of the SH3-domain bears a flat, hydrophobic ligand-binding pocket which consists of three shallow grooves defined by conservative aromatic residues in which the ligand adopts an extended left-handed helical arrangement. The ligand binds with low affinity but this may be enhanced by multiple interactions. The region bound by the SH3 domain is in all cases proline-rich and contains PXXP as a core-conserved binding motif. The function of the SH3 domain is not well understood but they may mediate many diverse processes such as increasing local concentration of proteins, altering their subcellular location and mediating the assembly of large multiprotein complexes [6]. This family consists of several hypothetical bacterial proteins of unknown function, but that contain an SH-3 region. Family members include probable invasion-associated protein p60 that are conceptually translated from iap genes. The iap gene, which is regarded as a virulence-associated gene in L. monocytogenes, codes for a gene product that has murein-lytic activity and is involved in cell division [7]. [1]. 15335710. SH2 and SH3. TRUNCATED at 1650 bytes (from Pfam)

Date:
2024-08-14
Family Accession:
NF018095.5
Method:
HMM
4.
new record, indexing in progress
Family Accession:
5.
new record, indexing in progress
Family Accession:
6.
new record, indexing in progress
Family Accession:
7.

cell wall-binding protein EntC

This HMM describes the cell wall-binding protein EntC, as found in Bacillus cereus. EntC is related to EntA, EntB, and EndD. All Ent family proteins have a signal peptide, an N-terminal SH3 domain and a C-terminal 3D (Asp-Asp-Asp) domain. EntB and EndC have a central region with a highly variable number of repeats resembling KAXEXX. The gene symbol derives from the notion that at least some members of the family function as enterotoxins, but more recent descriptions focus on roles in stress response and cell wall integrity.

Gene:
entC
Date:
2022-01-25
Family Accession:
NF040677.1
Method:
HMM
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