NameVoltage-dependent L-type calcium channel subunit beta-4
Synonyms
  • CAB4
  • CACNLB4
  • Calcium channel voltage-dependent subunit beta 4
Gene NameCACNB4
OrganismHuman
Amino acid sequence
>lcl|BSEQ0004627|Voltage-dependent L-type calcium channel subunit beta-4
MSSSSYAKNGTADGPHSPTSQVARGTTTRRSRLKRSDGSTTSTSFILRQGSADSYTSRPS
DSDVSLEEDREAIRQEREQQAAIQLERAKSKPVAFAVKTNVSYCGALDEDVPVPSTAISF
DAKDFLHIKEKYNNDWWIGRLVKEGCEIGFIPSPLRLENIRIQQEQKRGRFHGGKSSGNS
SSSLGEMVSGTFRATPTSTAKQKQKVTEHIPPYDVVPSMRPVVLVGPSLKGYEVTDMMQK
ALFDFLKHRFDGRISITRVTADISLAKRSVLNNPSKRAIIERSNTRSSLAEVQSEIERIF
ELARSLQLVVLDADTINHPAQLIKTSLAPIIVHVKVSSPKVLQRLIKSRGKSQSKHLNVQ
LVAADKLAQCPPEMFDVILDENQLEDACEHLGEYLEAYWRATHTTSSTPMTPLLGRNLGS
TALSPYPTAISGLQSQRMRHSNHSTENSPIERRSLMTSDENYHNERARKSRNRLSSSSQH
SRDHYPLVEEDYPDSYQDTYKPHRNRGSPGGYSHDSRHRL
Number of residues520
Molecular Weight58168.625
Theoretical pI9.77
GO Classification
Functions
  • voltage-gated calcium channel activity
Processes
  • muscle fiber development
  • neuromuscular junction development
  • cellular calcium ion homeostasis
  • membrane depolarization
  • T cell receptor signaling pathway
  • regulation of voltage-gated calcium channel activity
  • adult walking behavior
  • transport
  • neuronal action potential propagation
  • synaptic transmission, glutamatergic
  • gamma-aminobutyric acid secretion
  • gamma-aminobutyric acid signaling pathway
  • thymus development
  • synaptic transmission
  • cAMP metabolic process
  • detection of light stimulus involved in visual perception
  • axon guidance
  • Peyer's patch development
  • spleen development
  • calcium ion transmembrane transport
Components
  • voltage-gated calcium channel complex
  • cytoplasmic side of plasma membrane
  • plasma membrane
  • cytosol
  • synapse
General FunctionVoltage-gated calcium channel activity
Specific FunctionThe beta subunit of voltage-dependent calcium channels contributes to the function of the calcium channel by increasing peak calcium current, shifting the voltage dependencies of activation and inactivation, modulating G protein inhibition and controlling the alpha-1 subunit membrane targeting.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID2058727
UniProtKB IDO00305
UniProtKB Entry NameCACB4_HUMAN
Cellular LocationNot Available
Gene sequence
>lcl|BSEQ0011692|Voltage-dependent L-type calcium channel subunit beta-4 (CACNB4)
ATGTCCTCCTCCTCCTACGCCAAGAACGGGACCGCGGACGGGCCGCACTCCCCCACCTCG
CAGGTGGCCCGAGGCACCACAACCCGGAGGAGCAGGTTGAAAAGATCCGATGGCAGCACC
ACTTCGACCAGCTTCATCCTCAGACAGGGTTCAGCGGATTCCTACACAAGCAGGCCGTCT
GACTCCGATGTCTCTTTGGAAGAGGACCGGGAAGCAATTCGACAGGAGAGAGAACAGCAA
GCAGCTATCCAGCTTGAGAGAGCAAAGTCCAAACCTGTAGCATTTGCCGTGAAGACAAAT
GTGAGCTACTGCGGCGCCCTGGACGAGGATGTGCCTGTTCCAAGCACAGCTATCTCCTTT
GATGCTAAAGACTTTCTACATATTAAAGAGAAATATAACAATGATTGGTGGATAGGAAGG
CTGGTGAAAGAGGGCTGTGAAATTGGCTTCATTCCAAGTCCACTCAGATTGGAGAACATA
CGGATCCAGCAAGAACAAAAAAGAGGACGTTTTCACGGAGGGAAATCAAGTGGAAATTCT
TCTTCAAGTCTTGGAGAAATGGTATCTGGGACATTCCGAGCAACTCCCACATCAACAGCA
AAACAGAAGCAAAAAGTGACGGAGCACATTCCTCCTTACGATGTTGTACCGTCAATGCGT
CCGGTGGTGTTAGTGGGGCCGTCACTGAAAGGTTACGAGGTAACAGACATGATGCAGAAA
GCCCTCTTTGATTTCCTGAAGCACAGGTTTGATGGGAGGATTTCAATAACGAGAGTGACA
GCTGACATTTCTCTTGCTAAGAGGTCTGTCCTAAATAATCCCAGCAAGAGAGCAATAATT
GAACGTTCGAACACCCGGTCCAGCTTAGCGGAAGTACAAAGTGAAATTGAAAGAATCTTT
GAGTTGGCAAGATCTTTGCAACTGGTTGTTCTTGATGCAGACACCATCAATCACCCAGCA
CAACTTATAAAGACTTCCTTAGCACCAATTATTGTTCATGTAAAAGTCTCATCTCCAAAG
GTTTTACAGCGGTTGATTAAATCTAGAGGAAAGTCACAAAGTAAACACTTGAATGTTCAA
CTGGTGGCAGCTGATAAACTTGCACAATGCCCCCCAGAAATGTTTGATGTTATATTGGAT
GAAAATCAGCTTGAGGATGCATGTGAACATCTAGGGGAGTACCTGGAGGCGTACTGGCGT
GCCACCCACACAACCAGTAGCACACCCATGACCCCGCTGCTGGGAAGGAATTTGGGCTCC
ACGGCACTCTCACCATATCCCACAGCAATTTCTGGGTTACAGAGTCAGCGAATGAGGCAC
AGCAACCACTCCACAGAGAACTCTCCAATTGAAAGACGAAGTCTAATGACCTCTGATGAA
AATTATCACAATGAAAGGGCTCGGAAGAGTAGGAACCGCTTGTCTTCCAGTTCTCAGCAT
AGCCGAGATCATTACCCTCTTGTGGAAGAAGATTACCCTGACTCATACCAGGACACTTAC
AAACCCCATAGGAACCGAGGATCACCTGGGGGATATAGCCATGACTCCCGACATAGGCTT
TGA
GenBank Gene IDU95020
GeneCard IDNot Available
GenAtlas IDCACNB4
HGNC IDHGNC:1404
Chromosome Location2
Locus2q22-q23
References
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  2. Helton TD, Horne WA: Alternative splicing of the beta 4 subunit has alpha1 subunit subtype-specific effects on Ca2+ channel gating. J Neurosci. 2002 Mar 1;22(5):1573-82. 11880487
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