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Conserved domains on  [gi|767950623|ref|XP_011542728|]
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potassium channel subfamily U member 1 isoform X3 [Homo sapiens]

Protein Classification

calcium-activated potassium channel( domain architecture ID 11999068)

calcium-activated potassium channel similar to Drosophila melanogaster slowpoke (dSlo) that is activated by both membrane depolarization or increase in cytosolic Ca(2+) that mediates export of K(+)

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
BK_channel_a pfam03493
Calcium-activated BK potassium channel alpha subunit;
470-557 3.13e-31

Calcium-activated BK potassium channel alpha subunit;


:

Pssm-ID: 460947  Cd Length: 90  Bit Score: 117.27  E-value: 3.13e-31
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  470 DNIICFAELKLGFIAQGCLVPGLCTFLTSLFVEQNKK--VMPKQTWKKHFLNSMKNKILTQRLSDDFAGMSFPEVARLCF 547
Cdd:pfam03493   1 DHVICIEELKLGLLAQSCLCPGLSTLITNLLHTRSGEegQKSSEQWQKEYLRGSGNEIYTIKLSDAFVGKTFTEAARLAY 80
                          90
                  ....*....|
gi 767950623  548 LKMHLLLIAI 557
Cdd:pfam03493  81 KKLGVILIGI 90
Ion_trans pfam00520
Ion transport protein; This family contains sodium, potassium and calcium ion channels. This ...
103-323 5.73e-15

Ion transport protein; This family contains sodium, potassium and calcium ion channels. This family is 6 transmembrane helices in which the last two helices flank a loop which determines ion selectivity. In some sub-families (e.g. Na channels) the domain is repeated four times, whereas in others (e.g. K channels) the protein forms as a tetramer in the membrane.


:

Pssm-ID: 459842 [Multi-domain]  Cd Length: 238  Bit Score: 75.38  E-value: 5.73e-15
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  103 QVLVILVFVLSIGSLIIYFINSADPvgSCSSYEDKTIPIDLVFNAFFSFYFGLRFMAADDKIKFWLEMNSIVDIFTIPPT 182
Cdd:pfam00520   2 RYFELFILLLILLNTIFLALETYFQ--PEEPLTTVLEILDYVFTGIFTLEMLLKIIAAGFKKRYFRSPWNILDFVVVLPS 79
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  183 FISYYLKSNWlglrflrALRLLELPQILQILRAIKTsnsVKFSKLLSIILSTWFTAAG-------FIHLV---------E 246
Cdd:pfam00520  80 LISLVLSSVG-------SLSGLRVLRLLRLLRLLRL---IRRLEGLRTLVNSLIRSLKslgnlllLLLLFlfifaiigyQ 149
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  247 NSGDPWLKGRNSQNI-----SYFESIYLVMATTSTVGFGDVVAKTSLGRT-------FIMFFTLGSLILFANYIPEMVEL 314
Cdd:pfam00520 150 LFGGKLKTWENPDNGrtnfdNFPNAFLWLFQTMTTEGWGDIMYDTIDGKGefwayiyFVSFIILGGFLLLNLFIAVIIDN 229

                  ....*....
gi 767950623  315 FANKRKYTS 323
Cdd:pfam00520 230 FQELTERTE 238
 
Name Accession Description Interval E-value
BK_channel_a pfam03493
Calcium-activated BK potassium channel alpha subunit;
470-557 3.13e-31

Calcium-activated BK potassium channel alpha subunit;


Pssm-ID: 460947  Cd Length: 90  Bit Score: 117.27  E-value: 3.13e-31
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  470 DNIICFAELKLGFIAQGCLVPGLCTFLTSLFVEQNKK--VMPKQTWKKHFLNSMKNKILTQRLSDDFAGMSFPEVARLCF 547
Cdd:pfam03493   1 DHVICIEELKLGLLAQSCLCPGLSTLITNLLHTRSGEegQKSSEQWQKEYLRGSGNEIYTIKLSDAFVGKTFTEAARLAY 80
                          90
                  ....*....|
gi 767950623  548 LKMHLLLIAI 557
Cdd:pfam03493  81 KKLGVILIGI 90
Ion_trans pfam00520
Ion transport protein; This family contains sodium, potassium and calcium ion channels. This ...
103-323 5.73e-15

Ion transport protein; This family contains sodium, potassium and calcium ion channels. This family is 6 transmembrane helices in which the last two helices flank a loop which determines ion selectivity. In some sub-families (e.g. Na channels) the domain is repeated four times, whereas in others (e.g. K channels) the protein forms as a tetramer in the membrane.


Pssm-ID: 459842 [Multi-domain]  Cd Length: 238  Bit Score: 75.38  E-value: 5.73e-15
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  103 QVLVILVFVLSIGSLIIYFINSADPvgSCSSYEDKTIPIDLVFNAFFSFYFGLRFMAADDKIKFWLEMNSIVDIFTIPPT 182
Cdd:pfam00520   2 RYFELFILLLILLNTIFLALETYFQ--PEEPLTTVLEILDYVFTGIFTLEMLLKIIAAGFKKRYFRSPWNILDFVVVLPS 79
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  183 FISYYLKSNWlglrflrALRLLELPQILQILRAIKTsnsVKFSKLLSIILSTWFTAAG-------FIHLV---------E 246
Cdd:pfam00520  80 LISLVLSSVG-------SLSGLRVLRLLRLLRLLRL---IRRLEGLRTLVNSLIRSLKslgnlllLLLLFlfifaiigyQ 149
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  247 NSGDPWLKGRNSQNI-----SYFESIYLVMATTSTVGFGDVVAKTSLGRT-------FIMFFTLGSLILFANYIPEMVEL 314
Cdd:pfam00520 150 LFGGKLKTWENPDNGrtnfdNFPNAFLWLFQTMTTEGWGDIMYDTIDGKGefwayiyFVSFIILGGFLLLNLFIAVIIDN 229

                  ....*....
gi 767950623  315 FANKRKYTS 323
Cdd:pfam00520 230 FQELTERTE 238
PLN03192 PLN03192
Voltage-dependent potassium channel; Provisional
258-314 3.10e-03

Voltage-dependent potassium channel; Provisional


Pssm-ID: 215625 [Multi-domain]  Cd Length: 823  Bit Score: 41.39  E-value: 3.10e-03
                         10        20        30        40        50
                 ....*....|....*....|....*....|....*....|....*....|....*..
gi 767950623 258 SQNISYFESIYLVMATTSTVGFGDVVAKTSLGRTFIMFFTLGSLILFANYIPEMVEL 314
Cdd:PLN03192 246 SLWIRYISAIYWSITTMTTVGYGDLHAVNTIEMIFIIFYMLFNLGLTAYLIGNMTNL 302
 
Name Accession Description Interval E-value
BK_channel_a pfam03493
Calcium-activated BK potassium channel alpha subunit;
470-557 3.13e-31

Calcium-activated BK potassium channel alpha subunit;


Pssm-ID: 460947  Cd Length: 90  Bit Score: 117.27  E-value: 3.13e-31
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  470 DNIICFAELKLGFIAQGCLVPGLCTFLTSLFVEQNKK--VMPKQTWKKHFLNSMKNKILTQRLSDDFAGMSFPEVARLCF 547
Cdd:pfam03493   1 DHVICIEELKLGLLAQSCLCPGLSTLITNLLHTRSGEegQKSSEQWQKEYLRGSGNEIYTIKLSDAFVGKTFTEAARLAY 80
                          90
                  ....*....|
gi 767950623  548 LKMHLLLIAI 557
Cdd:pfam03493  81 KKLGVILIGI 90
Ion_trans pfam00520
Ion transport protein; This family contains sodium, potassium and calcium ion channels. This ...
103-323 5.73e-15

Ion transport protein; This family contains sodium, potassium and calcium ion channels. This family is 6 transmembrane helices in which the last two helices flank a loop which determines ion selectivity. In some sub-families (e.g. Na channels) the domain is repeated four times, whereas in others (e.g. K channels) the protein forms as a tetramer in the membrane.


Pssm-ID: 459842 [Multi-domain]  Cd Length: 238  Bit Score: 75.38  E-value: 5.73e-15
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  103 QVLVILVFVLSIGSLIIYFINSADPvgSCSSYEDKTIPIDLVFNAFFSFYFGLRFMAADDKIKFWLEMNSIVDIFTIPPT 182
Cdd:pfam00520   2 RYFELFILLLILLNTIFLALETYFQ--PEEPLTTVLEILDYVFTGIFTLEMLLKIIAAGFKKRYFRSPWNILDFVVVLPS 79
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  183 FISYYLKSNWlglrflrALRLLELPQILQILRAIKTsnsVKFSKLLSIILSTWFTAAG-------FIHLV---------E 246
Cdd:pfam00520  80 LISLVLSSVG-------SLSGLRVLRLLRLLRLLRL---IRRLEGLRTLVNSLIRSLKslgnlllLLLLFlfifaiigyQ 149
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  247 NSGDPWLKGRNSQNI-----SYFESIYLVMATTSTVGFGDVVAKTSLGRT-------FIMFFTLGSLILFANYIPEMVEL 314
Cdd:pfam00520 150 LFGGKLKTWENPDNGrtnfdNFPNAFLWLFQTMTTEGWGDIMYDTIDGKGefwayiyFVSFIILGGFLLLNLFIAVIIDN 229

                  ....*....
gi 767950623  315 FANKRKYTS 323
Cdd:pfam00520 230 FQELTERTE 238
Ion_trans_2 pfam07885
Ion channel; This family includes the two membrane helix type ion channels found in bacteria.
230-317 6.12e-09

Ion channel; This family includes the two membrane helix type ion channels found in bacteria.


Pssm-ID: 462301 [Multi-domain]  Cd Length: 78  Bit Score: 53.43  E-value: 6.12e-09
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 767950623  230 IILSTWFTAAGFIHLVEnsgDPWLKgrnsqniSYFESIYLVMATTSTVGFGDVVAKTSLGRTFIMFFTLGSLILFANYIP 309
Cdd:pfam07885   1 IVLLLVLIFGTVYYLLE---EGWEW-------SFLDALYFSFVTLTTVGYGDIVPLTDAGRLFTIFYILIGIPLFAIFLA 70

                  ....*...
gi 767950623  310 EMVELFAN 317
Cdd:pfam07885  71 VLGRFLTE 78
PLN03192 PLN03192
Voltage-dependent potassium channel; Provisional
258-314 3.10e-03

Voltage-dependent potassium channel; Provisional


Pssm-ID: 215625 [Multi-domain]  Cd Length: 823  Bit Score: 41.39  E-value: 3.10e-03
                         10        20        30        40        50
                 ....*....|....*....|....*....|....*....|....*....|....*..
gi 767950623 258 SQNISYFESIYLVMATTSTVGFGDVVAKTSLGRTFIMFFTLGSLILFANYIPEMVEL 314
Cdd:PLN03192 246 SLWIRYISAIYWSITTMTTVGYGDLHAVNTIEMIFIIFYMLFNLGLTAYLIGNMTNL 302
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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