NCBI Home Page NCBI Site Search page NCBI Guide that lists and describes the NCBI resources
Conserved domains on  [gi|32479527|ref|NP_000209|]
View 

potassium voltage-gated channel subfamily KQT member 1 isoform 1 [Homo sapiens]

Protein Classification

potassium voltage-gated channel subfamily KQT member( domain architecture ID 11998164)

potassium voltage-gated channel subfamily KQT member (KCNQ) similar to human KCNQ1, also known as Kv7.1, which is a voltage-dependent K+ channel that regulates gastric acid secretion, salt and glucose homeostasis, and heart rhythm

Graphical summary

 Zoom to residue level

show extra options »

Show site features     Horizontal zoom: ×

List of domain hits

Name Accession Description Interval E-value
Ion_trans pfam00520
Ion transport protein; This family contains sodium, potassium and calcium ion channels. This ...
123-359 6.52e-35

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: 132.39  E-value: 6.52e-35
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 32479527   123 FVYHFAVFLIVLVCLIFSVLSTIEQYAALATGTLFWMEIVLVVFFGTEYVVRLWSAGCRSKYVglwgrlrfaRKPISIID 202
Cdd:pfam00520   2 RYFELFILLLILLNTIFLALETYFQPEEPLTTVLEILDYVFTGIFTLEMLLKIIAAGFKKRYF---------RSPWNILD 72
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 32479527   203 LIVVVASMVVLCVGSKGQVFAtsaIRGIRFLQILRMLHVDRQGGTWRLLGSVVFIHRQELITTLYI-GFLGLIFSS---- 277
Cdd:pfam00520  73 FVVVLPSLISLVLSSVGSLSG---LRVLRLLRLLRLLRLIRRLEGLRTLVNSLIRSLKSLGNLLLLlLLFLFIFAIigyq 149
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 32479527   278 YFVYLAEKDAVNESGRVEFGSYADALWWGVVTVTTIGYGDKVPQTWVGKT-------IASCFSVFAISFFALPAGILGSG 350
Cdd:pfam00520 150 LFGGKLKTWENPDNGRTNFDNFPNAFLWLFQTMTTEGWGDIMYDTIDGKGefwayiyFVSFIILGGFLLLNLFIAVIIDN 229

                  ....*....
gi 32479527   351 FALKVQQKQ 359
Cdd:pfam00520 230 FQELTERTE 238
KCNQ_channel super family cl04130
KCNQ voltage-gated potassium channel; This family matches to the C-terminal tail of KCNQ type ...
511-617 8.59e-26

KCNQ voltage-gated potassium channel; This family matches to the C-terminal tail of KCNQ type potassium channels.


The actual alignment was detected with superfamily member pfam03520:

Pssm-ID: 460954  Cd Length: 190  Bit Score: 104.84  E-value: 8.59e-26
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 32479527   511 RATIKVIRRMQYFVAKKKFQQARKPYDVRDVIEQYSQGHLNLMVRIKELQRRLDQSIGKPSlfISVSEKSKDRGSNTIGA 590
Cdd:pfam03520  72 KTVIRAVRIMKFLVAKRKFKETLRPYDVKDVIEQYSAGHLDMLCRIKSLQTRVDQIVGRGP--PPTDKKKREKGPKVPAE 149
                          90       100       110
                  ....*....|....*....|....*....|....*...
gi 32479527   591 -----------RLNRVEDKVTQLDQRLALITDMLHQLL 617
Cdd:pfam03520 150 gdlvedlsmmgRVVKVEKQVQSIEKKLDFLLDIYSQCL 187
 
Name Accession Description Interval E-value
Ion_trans pfam00520
Ion transport protein; This family contains sodium, potassium and calcium ion channels. This ...
123-359 6.52e-35

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: 132.39  E-value: 6.52e-35
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 32479527   123 FVYHFAVFLIVLVCLIFSVLSTIEQYAALATGTLFWMEIVLVVFFGTEYVVRLWSAGCRSKYVglwgrlrfaRKPISIID 202
Cdd:pfam00520   2 RYFELFILLLILLNTIFLALETYFQPEEPLTTVLEILDYVFTGIFTLEMLLKIIAAGFKKRYF---------RSPWNILD 72
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 32479527   203 LIVVVASMVVLCVGSKGQVFAtsaIRGIRFLQILRMLHVDRQGGTWRLLGSVVFIHRQELITTLYI-GFLGLIFSS---- 277
Cdd:pfam00520  73 FVVVLPSLISLVLSSVGSLSG---LRVLRLLRLLRLLRLIRRLEGLRTLVNSLIRSLKSLGNLLLLlLLFLFIFAIigyq 149
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 32479527   278 YFVYLAEKDAVNESGRVEFGSYADALWWGVVTVTTIGYGDKVPQTWVGKT-------IASCFSVFAISFFALPAGILGSG 350
Cdd:pfam00520 150 LFGGKLKTWENPDNGRTNFDNFPNAFLWLFQTMTTEGWGDIMYDTIDGKGefwayiyFVSFIILGGFLLLNLFIAVIIDN 229

                  ....*....
gi 32479527   351 FALKVQQKQ 359
Cdd:pfam00520 230 FQELTERTE 238
KCNQ_channel pfam03520
KCNQ voltage-gated potassium channel; This family matches to the C-terminal tail of KCNQ type ...
511-617 8.59e-26

KCNQ voltage-gated potassium channel; This family matches to the C-terminal tail of KCNQ type potassium channels.


Pssm-ID: 460954  Cd Length: 190  Bit Score: 104.84  E-value: 8.59e-26
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 32479527   511 RATIKVIRRMQYFVAKKKFQQARKPYDVRDVIEQYSQGHLNLMVRIKELQRRLDQSIGKPSlfISVSEKSKDRGSNTIGA 590
Cdd:pfam03520  72 KTVIRAVRIMKFLVAKRKFKETLRPYDVKDVIEQYSAGHLDMLCRIKSLQTRVDQIVGRGP--PPTDKKKREKGPKVPAE 149
                          90       100       110
                  ....*....|....*....|....*....|....*...
gi 32479527   591 -----------RLNRVEDKVTQLDQRLALITDMLHQLL 617
Cdd:pfam03520 150 gdlvedlsmmgRVVKVEKQVQSIEKKLDFLLDIYSQCL 187
PLN03192 PLN03192
Voltage-dependent potassium channel; Provisional
299-375 1.23e-03

Voltage-dependent potassium channel; Provisional


Pssm-ID: 215625 [Multi-domain]  Cd Length: 823  Bit Score: 42.16  E-value: 1.23e-03
                         10        20        30        40        50        60        70
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*...
gi 32479527  299 YADALWWGVVTVTTIGYGDKVPQTwvgkTIASCFSVFAISF-FALPAGILGSGFALKVQQKQRQKHFNRQIPAAASLI 375
Cdd:PLN03192 251 YISAIYWSITTMTTVGYGDLHAVN----TIEMIFIIFYMLFnLGLTAYLIGNMTNLVVEGTRRTMEFRNSIEAASNFV 324
 
Name Accession Description Interval E-value
Ion_trans pfam00520
Ion transport protein; This family contains sodium, potassium and calcium ion channels. This ...
123-359 6.52e-35

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: 132.39  E-value: 6.52e-35
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 32479527   123 FVYHFAVFLIVLVCLIFSVLSTIEQYAALATGTLFWMEIVLVVFFGTEYVVRLWSAGCRSKYVglwgrlrfaRKPISIID 202
Cdd:pfam00520   2 RYFELFILLLILLNTIFLALETYFQPEEPLTTVLEILDYVFTGIFTLEMLLKIIAAGFKKRYF---------RSPWNILD 72
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 32479527   203 LIVVVASMVVLCVGSKGQVFAtsaIRGIRFLQILRMLHVDRQGGTWRLLGSVVFIHRQELITTLYI-GFLGLIFSS---- 277
Cdd:pfam00520  73 FVVVLPSLISLVLSSVGSLSG---LRVLRLLRLLRLLRLIRRLEGLRTLVNSLIRSLKSLGNLLLLlLLFLFIFAIigyq 149
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 32479527   278 YFVYLAEKDAVNESGRVEFGSYADALWWGVVTVTTIGYGDKVPQTWVGKT-------IASCFSVFAISFFALPAGILGSG 350
Cdd:pfam00520 150 LFGGKLKTWENPDNGRTNFDNFPNAFLWLFQTMTTEGWGDIMYDTIDGKGefwayiyFVSFIILGGFLLLNLFIAVIIDN 229

                  ....*....
gi 32479527   351 FALKVQQKQ 359
Cdd:pfam00520 230 FQELTERTE 238
KCNQ_channel pfam03520
KCNQ voltage-gated potassium channel; This family matches to the C-terminal tail of KCNQ type ...
511-617 8.59e-26

KCNQ voltage-gated potassium channel; This family matches to the C-terminal tail of KCNQ type potassium channels.


Pssm-ID: 460954  Cd Length: 190  Bit Score: 104.84  E-value: 8.59e-26
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 32479527   511 RATIKVIRRMQYFVAKKKFQQARKPYDVRDVIEQYSQGHLNLMVRIKELQRRLDQSIGKPSlfISVSEKSKDRGSNTIGA 590
Cdd:pfam03520  72 KTVIRAVRIMKFLVAKRKFKETLRPYDVKDVIEQYSAGHLDMLCRIKSLQTRVDQIVGRGP--PPTDKKKREKGPKVPAE 149
                          90       100       110
                  ....*....|....*....|....*....|....*...
gi 32479527   591 -----------RLNRVEDKVTQLDQRLALITDMLHQLL 617
Cdd:pfam03520 150 gdlvedlsmmgRVVKVEKQVQSIEKKLDFLLDIYSQCL 187
Ion_trans_2 pfam07885
Ion channel; This family includes the two membrane helix type ion channels found in bacteria.
298-349 2.16e-11

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: 59.97  E-value: 2.16e-11
                          10        20        30        40        50
                  ....*....|....*....|....*....|....*....|....*....|..
gi 32479527   298 SYADALWWGVVTVTTIGYGDKVPQTWVGKTIASCFSVFAISFFALPAGILGS 349
Cdd:pfam07885  23 SFLDALYFSFVTLTTVGYGDIVPLTDAGRLFTIFYILIGIPLFAIFLAVLGR 74
PLN03192 PLN03192
Voltage-dependent potassium channel; Provisional
299-375 1.23e-03

Voltage-dependent potassium channel; Provisional


Pssm-ID: 215625 [Multi-domain]  Cd Length: 823  Bit Score: 42.16  E-value: 1.23e-03
                         10        20        30        40        50        60        70
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*...
gi 32479527  299 YADALWWGVVTVTTIGYGDKVPQTwvgkTIASCFSVFAISF-FALPAGILGSGFALKVQQKQRQKHFNRQIPAAASLI 375
Cdd:PLN03192 251 YISAIYWSITTMTTVGYGDLHAVN----TIEMIFIIFYMLFnLGLTAYLIGNMTNLVVEGTRRTMEFRNSIEAASNFV 324
 
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.
Help | Disclaimer | Write to the Help Desk
NCBI | NLM | NIH