Q00975 (CAC1B_HUMAN) Homo sapiens (Human)

Voltage-dependent N-type calcium channel subunit alpha-1B UniProtKBInterProSTRINGInteractive Modelling

2339 aa; Sequence (Fasta) ; (Isoform 2; )

Sequence Features

Add
 314Calcium ion selectivity and permeability
 663Calcium ion selectivity and permeability
 1365Calcium ion selectivity and permeability
 1655Calcium ion selectivity and permeability
 167N -> K (in dbSNP:rs4422842) VAR_048741 dbSNP
 862A -> S (in dbSNP:rs7873074) VAR_061100 dbSNP
 996T -> A (in dbSNP:rs11137342) VAR_061101 dbSNP
 1389R -> H (found in a family with myoclonus and dystonia; also found in a sporadic case; unknown pathological significance; single-channel currents of the mutant are smaller than wild type, likely due to channel stabilization in the lower current amplitude open state; voltage-dependent activation and inactivation as well as ion selectivity are unchanged; dbSNP:rs184841813) VAR_073432 dbSNP
 1436E -> K (in dbSNP:rs1322525317) VAR_048742 dbSNP
 1500E -> K (in dbSNP:rs12377346) VAR_048743 dbSNP
 96-114Helical; Name=S1 of repeat I
 133-152Helical; Name=S2 of repeat I
 164-183Helical; Name=S3 of repeat I
 188-206Helical; Name=S4 of repeat I
 226-245Helical; Name=S5 of repeat I
 332-356Helical; Name=S6 of repeat I
 483-501Helical; Name=S1 of repeat II
 517-536Helical; Name=S2 of repeat II
 545-562Helical; Name=S3 of repeat II
 574-592Helical; Name=S4 of repeat II
 612-631Helical; Name=S5 of repeat II
 685-709Helical; Name=S6 of repeat II
 1152-1169Helical; Name=S1 of repeat III
 1186-1205Helical; Name=S2 of repeat III
 1218-1236Helical; Name=S3 of repeat III
 1247-1265Helical; Name=S4 of repeat III
 1285-1304Helical; Name=S5 of repeat III
 1392-1416Helical; Name=S6 of repeat III
 1472-1490Helical; Name=S1 of repeat IV
 1506-1525Helical; Name=S2 of repeat IV
 1534-1552Helical; Name=S3 of repeat IV
 1564-1582Helical; Name=S4 of repeat IV
 1602-1621Helical; Name=S5 of repeat IV
 1684-1708Helical; Name=S6 of repeat IV
 451-458ATP
 1737-1748
 383-2339Missing (in NEDNEH) VAR_083051
 95-366Ion transport domain
IPR005821PF00520
 482-718Ion transport domain
IPR005821PF00520
 1150-1425Ion transport domain
IPR005821PF00520
 1471-1718Ion transport domain
IPR005821PF00520
 1728-1781Voltage-dependent L-type calcium channel, IQ-associated domain
IPR031649PF16905
 1792-1868Voltage-dependent calcium channel, alpha-1 subunit, IQ domain
IPR014873PF08763

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRange
NMR structure of S3-4 peptidemonomer 2lcm1242-1269
Assess