Conserved Protein Domain Family
Ca_chan_IQ

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pfam08763: Ca_chan_IQ (This model is not part of the current CDD release)
Voltage gated calcium channel IQ domain
Voltage gated calcium channels control cellular calcium entry in response to changes in membrane potential. The isoleucine-glutamine (IQ) motif in the voltage gated calcium channel IQ domain interacts with hydrophobic pockets of Ca2+/calmodulin. The interaction regulates two self-regulatory calcium dependent feedback mechanism, calcium dependent inactivation (CDI), and calcium-dependent facilitation (CDF).
Statistics
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PSSM-Id: 518485
Aligned: 20 rows
Threshold Bit Score: 94.6401
Created: 15-Feb-2025
Updated: 28-Apr-2025
Structure
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Aligned Rows:
PubMed ReferencesClick to see Conserved Features Help

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
XP_002108930 1385 NATIFALVRKQLKIKLd----gNLD-----LR--DRELRNIIKRIWPRTPNK-LLDEILF-NFS---DNDITIAKIYALL 1448
XP_002109775 1365 KATLFALIRTSLKIKV------RED-----QHeaDAELCQIIRKIWPQVTSR-TLERILPqVEHg--ARHLTIGKIYAAL 1430
XP_009012628 1329 TTTFFALIRESLSIRMgp--asEMN-----KQ--DEALRETIKTLWPIQSKK-MHLLMVP-PNEeltFEKLTVGKIYAGL 1397
XP_009026629 1521 STTLFALIRESLGIRMgp--adEMN-----KN--DDALRETIKKLWPIESKK-ILNFLVP-TNEelgNHKMTVGKIYAGL 1589
XP_004989719 1329 HACLLAIVRNQLHIKTsyl-dgSWE-----QR--NYDLRKLLEKLYDP--PKeQLDRMLP-PPS---KRNVTIGVLYAVY 1394
XP_048579316 1478 NATLFGLVRTSLSIKRpeg-kgSLE-----KA--NEEMRAIIMKVWPKTSQE-FLDEIIQ-PPGg--DDEVTVGKFYATY 1545
EGW06086       14 NATLFALVRTSLKIKTe----gNLD-----QA--NQELRMVIKKIWKRIKQK-LLDEVIP-PPD---EEEVTVGKFYATF 77  
XP_026689965 1586 NATLFALIRTSLNIKTe----gNID-----QA--NEELRAVIKKIWKRTSIK-LLDQIAP-PAG---NDDITVGKFYATY 1649 vase tunicate
XP_046452678 1439 TSTLFALIRENLSIKMrp--adEMD-----EA--NQELRVTIKKIWPLQAKK-VLDLIIP-PDNelnTGKLTVGKIYGGL 1507 common water ...
XP_026695305   14 TTTLLALIRTSLKIKMlpqdaaGIDktyrdQWqlDQELRQEIRLAWPNLNEK-KMNLLLP-PEG---ETQFTVGKVYGAM 88   vase tunicate
XP_002108930 1449 IIRNFIRRRRE 1459
XP_002109775 1431 IIYEYYKRYKK 1441
XP_009012628 1398 LIAENWRAYKA 1408
XP_009026629 1590 LIAENWKAFKS 1600
XP_004989719 1395 LLQEIYRENKR 1405
XP_048579316 1546 LIQEYFRRFKA 1556
EGW06086       78 LIQDYFRKFRR 88  
XP_026689965 1650 LIQDYFRKFRE 1660 vase tunicate
XP_046452678 1508 LILENWKTTRF 1518 common water flea
XP_026695305   89 LVYEHWRAYKS 99   vase tunicate
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