CACNA1D
Voltage-dependent L-type calcium channel subunit alpha-1D
Also known as: CAC1D_HUMAN, CACH3, CACN4, CACNL1A2, Cav1.3, CCHL1A2
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q01668
- Gene
- CACNA1D
- Ensembl
- ENSG00000157388
- Chromosome
- 3
- Canonical length
- 2161 aa
- Protein class
- Cancer-related genes, Disease related genes, FDA approved drug targets, Human disease related genes, Plasma proteins, Predicted intracellular proteins, Predicted membrane proteins, Transporters, Voltage-gated ion channels
- Subcellular location
- Nuclear membrane
OverviewNCBI Gene
Voltage-dependent calcium channels mediate the entry of calcium ions into excitable cells, and are also involved in a variety of calcium-dependent processes, including muscle contraction, hormone or neurotransmitter release, and gene expression. Calcium channels are multisubunit complexes composed of alpha-1, beta, alpha-2/delta, and gamma subunits. The channel activity is directed by the pore-forming alpha-1 subunit, whereas the others act as auxiliary subunits regulating this activity. The distinctive properties of the calcium channel types are related primarily to the expression of a variety of alpha-1 isoforms, namely alpha-1A, B, C, D, E, and S. This gene encodes the alpha-1D subunit. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2012]
Canonical amino-acid sequenceUniProt
2161 residues, UniProt reviewed canonical sequence.
>Q01668|CACNA1D
1 MMMMMMMKKM QHQRQQQADH ANEANYARGT RLPLSGEGPT SQPNSSKQTV LSWQAAIDAA
61 RQAKAAQTMS TSAPPPVGSL SQRKRQQYAK SKKQGNSSNS RPARALFCLS LNNPIRRACI
121 SIVEWKPFDI FILLAIFANC VALAIYIPFP EDDSNSTNHN LEKVEYAFLI IFTVETFLKI
181 IAYGLLLHPN AYVRNGWNLL DFVIVIVGLF SVILEQLTKE TEGGNHSSGK SGGFDVKALR
241 AFRVLRPLRL VSGVPSLQVV LNSIIKAMVP LLHIALLVLF VIIIYAIIGL ELFIGKMHKT
301 CFFADSDIVA EEDPAPCAFS GNGRQCTANG TECRSGWVGP NGGITNFDNF AFAMLTVFQC
361 ITMEGWTDVL YWMNDAMGFE LPWVYFVSLV IFGSFFVLNL VLGVLSGEFS KEREKAKARG
421 DFQKLREKQQ LEEDLKGYLD WITQAEDIDP ENEEEGGEEG KRNTSMPTSE TESVNTENVS
481 GEGENRGCCG SLCQAISKSK LSRRWRRWNR FNRRRCRAAV KSVTFYWLVI VLVFLNTLTI
541 SSEHYNQPDW LTQIQDIANK VLLALFTCEM LVKMYSLGLQ AYFVSLFNRF DCFVVCGGIT
601 ETILVELEIM SPLGISVFRC VRLLRIFKVT RHWTSLSNLV ASLLNSMKSI ASLLLLLFLF
661 IIIFSLLGMQ LFGGKFNFDE TQTKRSTFDN FPQALLTVFQ ILTGEDWNAV MYDGIMAYGG
721 PSSSGMIVCI YFIILFICGN YILLNVFLAI AVDNLADAES LNTAQKEEAE EKERKKIARK
781 ESLENKKNNK PEVNQIANSD NKVTIDDYRE EDEDKDPYPP CDVPVGEEEE EEEEDEPEVP
841 AGPRPRRISE LNMKEKIAPI PEGSAFFILS KTNPIRVGCH KLINHHIFTN LILVFIMLSS
901 AALAAEDPIR SHSFRNTILG YFDYAFTAIF TVEILLKMTT FGAFLHKGAF CRNYFNLLDM
961 LVVGVSLVSF GIQSSAISVV KILRVLRVLR PLRAINRAKG LKHVVQCVFV AIRTIGNIMI
1021 VTTLLQFMFA CIGVQLFKGK FYRCTDEAKS NPEECRGLFI LYKDGDVDSP VVRERIWQNS
1081 DFNFDNVLSA MMALFTVSTF EGWPALLYKA IDSNGENIGP IYNHRVEISI FFIIYIIIVA
1141 FFMMNIFVGF VIVTFQEQGE KEYKNCELDK NQRQCVEYAL KARPLRRYIP KNPYQYKFWY
1201 VVNSSPFEYM MFVLIMLNTL CLAMQHYEQS KMFNDAMDIL NMVFTGVFTV EMVLKVIAFK
1261 PKGYFSDAWN TFDSLIVIGS IIDVALSEAD PTESENVPVP TATPGNSEES NRISITFFRL
1321 FRVMRLVKLL SRGEGIRTLL WTFIKSFQAL PYVALLIAML FFIYAVIGMQ MFGKVAMRDN
1381 NQINRNNNFQ TFPQAVLLLF RCATGEAWQE IMLACLPGKL CDPESDYNPG EEYTCGSNFA
1441 IVYFISFYML CAFLIINLFV AVIMDNFDYL TRDWSILGPH HLDEFKRIWS EYDPEAKGRI
1501 KHLDVVTLLR RIQPPLGFGK LCPHRVACKR LVAMNMPLNS DGTVMFNATL FALVRTALKI
1561 KTEGNLEQAN EELRAVIKKI WKKTSMKLLD QVVPPAGDDE VTVGKFYATF LIQDYFRKFK
1621 KRKEQGLVGK YPAKNTTIAL QAGLRTLHDI GPEIRRAISC DLQDDEPEET KREEEDDVFK
1681 RNGALLGNHV NHVNSDRRDS LQQTNTTHRP LHVQRPSIPP ASDTEKPLFP PAGNSVCHNH
1741 HNHNSIGKQV PTSTNANLNN ANMSKAAHGK RPSIGNLEHV SENGHHSSHK HDREPQRRSS
1801 VKRTRYYETY IRSDSGDEQL PTICREDPEI HGYFRDPHCL GEQEYFSSEE CYEDDSSPTW
1861 SRQNYGYYSR YPGRNIDSER PRGYHHPQGF LEDDDSPVCY DSRRSPRRRL LPPTPASHRR
1921 SSFNFECLRR QSSQEEVPSS PIFPHRTALP LHLMQQQIMA VAGLDSSKAQ KYSPSHSTRS
1981 WATPPATPPY RDWTPCYTPL IQVEQSEALD QVNGSLPSLH RSSWYTDEPD ISYRTFTPAS
2041 LTVPSSFRNK NSDKQRSADS LVEAVLISEG LGRYARDPKF VSATKHEIAD ACDLTIDEME
2101 SAASTLLNGN VRPRANGDVG PLSHRQDYEL QDFGPGYSDE EPDPGRDEED LADEMICITT
2161 LLocalizationUniProt · AlphaFold · HPA
Whether an antibody against CACNA1D can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Cell surface
- Secreted
- No
- Transmembrane segments
- 24
- Mean surface accessibility (rSASA)
- 0.4
- Highest tissue expression
- 7.1 nTPM
Expression across tissuesHPA
Tissue
- fallopian tube: 7.1 nTPM
- epididymis: 6.6 nTPM
- adrenal gland: 6 nTPM
- cervix: 5.5 nTPM
- retina: 3.9 nTPM
- pituitary gland: 3.6 nTPM
Single-cell type
- thyrotrophs: 1,007 nCPM
- adrenal cortex cells: 859 nCPM
- retinal amacrine cells: 727 nCPM
- retinal pigment epithelial cells: 716 nCPM
- corticotrophs: 671 nCPM
- somatotrophs: 602 nCPM
Immune cell
- basophil: 3.7 nTPM
- eosinophil: 0.3 nTPM
- myeloid DC: 0.1 nTPM
- neutrophil: 0.1 nTPM
- classical monocyte: 0 nTPM
- gdT-cell: 0 nTPM
Brain region
- cerebral cortex: 55 nTPM
- amygdala: 48 nTPM
- white matter: 47 nTPM
- thalamus: 41 nTPM
- basal ganglia: 40 nTPM
- cerebellum: 39 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about CACNA1D.
Disease | AllUniProt
Conditions CACNA1D is implicated in, by any mechanism.
- Sinoatrial node dysfunction and deafness (SANDD) MIM:614896
- Primary aldosteronism, seizures, and neurologic abnormalities (PASNA) MIM:615474
Disease | GeneticClinVar
22 pathogenic / likely-pathogenic of 2,654 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Sinoatrial node dysfunction and deafness
- Aldosterone-producing adenoma with seizures and neurological abnormalities
- Inborn genetic diseases
- See cases
- Congenital disorder of glycosylation, type Iw, autosomal dominant
Disease | ImmuneIEDB
Conditions an epitope on CACNA1D was assayed in.
- type 1 diabetes mellitus B cell
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.21
- gnomAD pLI
- 1
- gnomAD missense Z
- 4.58
- DepMap mean gene effect
- 0
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- adenylate cyclase-modulating G protein-coupled receptor signaling pathway
- calcium ion import
- calcium ion import across plasma membrane
- calcium ion transmembrane transport
- calcium ion transport
- cardiac muscle cell action potential involved in contraction
- membrane depolarization during cardiac muscle cell action potential
- membrane depolarization during SA node cell action potential
- positive regulation of adenylate cyclase activity
- positive regulation of calcium ion transport
- regulation of atrial cardiac muscle cell membrane repolarization
- regulation of heart rate by cardiac conduction
- regulation of potassium ion transmembrane transport
- sensory perception of sound
Molecular functions
- alpha-actinin binding
- ankyrin binding
- calcium channel activity
- metal ion binding
- voltage-gated calcium channel activity
- voltage-gated calcium channel activity involved in cardiac muscle cell action potential
- voltage-gated calcium channel activity involved SA node cell action potential
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Voltage-dependent calcium channel, alpha-1 subunit
- Voltage-dependent calcium channel, L-type, alpha-1 subunit
- Ion transport domain
- Voltage-dependent calcium channel, alpha-1 subunit, IQ domain
- Voltage-dependent channel domain superfamily
- Voltage-dependent L-type calcium channel, IQ-associated domain
- Voltage-gated calcium channel subunit alpha, C-terminal
- Voltage-dependent calcium channel alpha-1 subunit
- Ion transport protein
- Voltage gated calcium channel IQ domain
- Voltage-gated calcium channel subunit alpha, C-term
- Voltage-dependent L-type calcium channel, IQ-associated
- Voltage-dependent calcium channel, L-type, alpha-1D subunit
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of CACNA1D in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads CACNA1D as an antibody target. Whether an autoantibody or antibody against CACNA1D could matter depends on whether native CACNA1D is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
CACNA1D is annotated at the cell surface, where native CACNA1D is exposed to circulating antibodies and is a prime autoantibody target that could block, deplete, or overstimulate it.
Annotation status
The present source text does not explicitly label CACNA1D as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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