Q8R0S4 · CACB4_MOUSE
- ProteinVoltage-dependent L-type calcium channel subunit beta-4
- GeneCacnb4
- StatusUniProtKB reviewed (Swiss-Prot)
- Organism
- Amino acids519 (go to sequence)
- Protein existenceEvidence at protein level
- Annotation score5/5
Function
function
The 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.
GO annotations
all annotations | all molecular function | virus receptor activity | dna binding | rna binding | cytoskeletal motor activity | catalytic activity | gtpase activity | structural molecule activity | transporter activity | cytoskeletal protein binding | lipid binding | cyclase activity | antioxidant activity | oxidoreductase activity | transferase activity | hydrolase activity | lyase activity | isomerase activity | ligase activity | protein tag activity | cargo receptor activity | histone binding | protein folding chaperone | translation regulator activity | nutrient reservoir activity | receptor ligand activity | molecular transducer activity | molecular adaptor activity | toxin activity | cell adhesion mediator activity | molecular function regulator activity | virus coreceptor activity | catalytic activity, acting on a protein | catalytic activity, acting on dna | catalytic activity, acting on rna | molecular carrier activity | transcription regulator activity | general transcription initiation factor activity | molecular sensor activity | molecular sequestering activity | atp-dependent activity | other molecular function | all biological process | mitotic cell cycle | cytokinesis | cytoplasmic translation | immune system process | muscle system process | circulatory system process | renal system process | respiratory system process | carbohydrate metabolic process | generation of precursor metabolites and energy | dna replication | dna repair | dna recombination | chromatin organization | dna-templated transcription | regulation of dna-templated transcription | trna metabolic process | protein folding | protein glycosylation | amino acid metabolic process | modified amino acid metabolic process | lipid metabolic process | vitamin metabolic process | sulfur compound metabolic process | intracellular protein transport | nucleocytoplasmic transport | autophagy | inflammatory response | mitochondrion organization | cytoskeleton organization | microtubule-based movement | peroxisome organization | lysosome organization | chromosome segregation | cell adhesion | establishment or maintenance of cell polarity | programmed cell death | photosynthesis | mrna metabolic process | snrna metabolic process | vesicle-mediated transport | reproductive process | digestive system process | signaling | cell differentiation | protein catabolic process | extracellular matrix organization | regulatory ncrna-mediated gene silencing | telomere organization | cell junction organization | wound healing | ribosome biogenesis | cilium organization | anatomical structure development | cell motility | nervous system process | endocrine process | protein maturation | transmembrane transport | nucleobase-containing small molecule metabolic process | hepaticobiliary system process | membrane organization | protein-containing complex assembly | cell wall organization or biogenesis | nitrogen cycle metabolic process | protein localization to plasma membrane | defense response to other organism | detoxification | meiotic nuclear division | mitotic nuclear division | mitochondrial gene expression | carbohydrate derivative metabolic process | other biological process | all cellular component | nuclear chromosome | extracellular region | extracellular space | cell wall | nucleus | nuclear envelope | nucleoplasm | chromosome | nucleolus | mitochondrion | lysosome | endosome | vacuole | peroxisome | endoplasmic reticulum | golgi apparatus | lipid droplet | microtubule organizing center | cytosol | ribosome | cytoskeleton | plasma membrane | cilium | plastid | thylakoid | external encapsulating structure | extracellular matrix | cytoplasmic vesicle | organelle | other cellular component | |||
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Keywords
- Molecular function
- Biological process
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameVoltage-dependent L-type calcium channel subunit beta-4
- Short namesCAB4
- Alternative names
Gene names
Organism names
- Organism
- Strain
- Taxonomic lineageEukaryota > Metazoa > Chordata > Craniata > Vertebrata > Euteleostomi > Mammalia > Eutheria > Euarchontoglires > Glires > Rodentia > Myomorpha > Muroidea > Muridae > Murinae > Mus > Mus
Accessions
- Primary accessionQ8R0S4
- Secondary accessions
Proteomes
Organism-specific databases
Subcellular Location
PTM/Processing
Features
Showing features for chain, modified residue.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Chain | PRO_0000144061 | 1-519 | Voltage-dependent L-type calcium channel subunit beta-4 | |||
Sequence: MSSSYGKNGAADGPHSPSSQVARGTTTRRSRLKRSDGSTTSTSFILRQGSADSYTSRPSDSDVSLEEDREAIRQEREQQAAIQLERAKSKPVAFAVKTNVSYCGALDEDVPVPSTAISFDAKDFLHIKEKYNNDWWIGRLVKEGCEIGFIPSPLRLENIRIQQEQKRGRFHGGKSSGNSSSSLGEMVSGTFRATPTTTAKQKQKVTEHIPPYDVVPSMRPVVLVGPSLKGYEVTDMMQKALFDFLKHRFDGRISITRVTADISLAKRSVLNNPSKRAIIERSNTRSSLAEVQSEIERIFELARSLQLVVLDADTINHPAQLIKTSLAPIIVHVKVSSPKVLQRLIKSRGKSQSKHLNVQLVAADKLAQCPPEMFDVILDENQLEDACEHLGEYLEAYWRATHTSSSTPMTPLLGRNVGSTALSPYPTAISGLQSQRMRHSNHSTENSPIERRSLMTSDENYHNERARKSRNRLSSSSQHSRDHYPLVEEDYPDSYQDTYKPHRNRGSPGGCSHDSRHRL | ||||||
Modified residue | 38 | Phosphoserine | ||||
Sequence: S | ||||||
Modified residue | 182 | Phosphoserine | ||||
Sequence: S | ||||||
Modified residue | 410 | Phosphothreonine | ||||
Sequence: T | ||||||
Modified residue | 447 | Phosphoserine | ||||
Sequence: S | ||||||
Modified residue | 505 | Omega-N-methylarginine | ||||
Sequence: R | ||||||
Modified residue | 507 | Phosphoserine | ||||
Sequence: S |
Keywords
- PTM
Proteomic databases
PTM databases
Expression
Gene expression databases
Interaction
Subunit
The L-type calcium channel is composed of four subunits: alpha-1, alpha-2, beta and gamma. Interacts with FASLG (By similarity).
Interacts with CBARP (PubMed:24751537).
Interacts with CBARP (PubMed:24751537).
Binary interactions
Type | Entry 1 | Entry 2 | Number of experiments | Intact | |
---|---|---|---|---|---|
XENO | Q8R0S4 | ERC1 Q8IUD2-2 | 2 | EBI-3647752, EBI-6920871 | |
BINARY | Q8R0S4 | Ppp2r5d Q91V89 | 2 | EBI-3647752, EBI-8028449 |
Protein-protein interaction databases
Miscellaneous
Structure
Family & Domains
Features
Showing features for compositional bias, region, domain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Compositional bias | 1-26 | Polar residues | ||||
Sequence: MSSSYGKNGAADGPHSPSSQVARGTT | ||||||
Region | 1-70 | Disordered | ||||
Sequence: MSSSYGKNGAADGPHSPSSQVARGTTTRRSRLKRSDGSTTSTSFILRQGSADSYTSRPSDSDVSLEEDRE | ||||||
Compositional bias | 36-60 | Polar residues | ||||
Sequence: DGSTTSTSFILRQGSADSYTSRPSD | ||||||
Domain | 91-160 | SH3 | ||||
Sequence: PVAFAVKTNVSYCGALDEDVPVPSTAISFDAKDFLHIKEKYNNDWWIGRLVKEGCEIGFIPSPLRLENIR | ||||||
Region | 165-185 | Disordered | ||||
Sequence: QKRGRFHGGKSSGNSSSSLGE | ||||||
Compositional bias | 424-454 | Polar residues | ||||
Sequence: PYPTAISGLQSQRMRHSNHSTENSPIERRSL | ||||||
Region | 424-519 | Disordered | ||||
Sequence: PYPTAISGLQSQRMRHSNHSTENSPIERRSLMTSDENYHNERARKSRNRLSSSSQHSRDHYPLVEEDYPDSYQDTYKPHRNRGSPGGCSHDSRHRL | ||||||
Compositional bias | 455-500 | Basic and acidic residues | ||||
Sequence: MTSDENYHNERARKSRNRLSSSSQHSRDHYPLVEEDYPDSYQDTYK |
Sequence similarities
Belongs to the calcium channel beta subunit family.
Keywords
- Domain
Phylogenomic databases
Family and domain databases
Sequence & Isoforms
- Sequence statusComplete
This entry describes 3 isoforms produced by Alternative splicing.
Q8R0S4-3
This isoform has been chosen as the canonical sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.
- Name3
- Length519
- Mass (Da)57,950
- Last updated2007-01-23 v2
- Checksum663A88C7BCF7E90C
Q8R0S4-1
- Name1
- Differences from canonical
- 1-48: MSSSYGKNGAADGPHSPSSQVARGTTTRRSRLKRSDGSTTSTSFILRQ → MYDNLYLHGVEDSEA
Q8R0S4-2
- Name2
- Differences from canonical
- 1-48: MSSSYGKNGAADGPHSPSSQVARGTTTRRSRLKRSDGSTTSTSFILRQ → MA
Features
Showing features for compositional bias, alternative sequence, sequence conflict.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Compositional bias | 1-26 | Polar residues | ||||
Sequence: MSSSYGKNGAADGPHSPSSQVARGTT | ||||||
Alternative sequence | VSP_022599 | 1-48 | in isoform 1 | |||
Sequence: MSSSYGKNGAADGPHSPSSQVARGTTTRRSRLKRSDGSTTSTSFILRQ → MYDNLYLHGVEDSEA | ||||||
Alternative sequence | VSP_010737 | 1-48 | in isoform 2 | |||
Sequence: MSSSYGKNGAADGPHSPSSQVARGTTTRRSRLKRSDGSTTSTSFILRQ → MA | ||||||
Compositional bias | 36-60 | Polar residues | ||||
Sequence: DGSTTSTSFILRQGSADSYTSRPSD | ||||||
Compositional bias | 424-454 | Polar residues | ||||
Sequence: PYPTAISGLQSQRMRHSNHSTENSPIERRSL | ||||||
Compositional bias | 455-500 | Basic and acidic residues | ||||
Sequence: MTSDENYHNERARKSRNRLSSSSQHSRDHYPLVEEDYPDSYQDTYK | ||||||
Sequence conflict | 492 | in Ref. 2; BAC31681 | ||||
Sequence: P → A |
Keywords
- Coding sequence diversity
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
AB100402 EMBL· GenBank· DDBJ | BAC80139.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
AK038633 EMBL· GenBank· DDBJ | BAC30073.1 EMBL· GenBank· DDBJ | mRNA | ||
AK043850 EMBL· GenBank· DDBJ | BAC31681.1 EMBL· GenBank· DDBJ | mRNA | ||
AK079616 EMBL· GenBank· DDBJ | BAC37703.1 EMBL· GenBank· DDBJ | mRNA | ||
AK147338 EMBL· GenBank· DDBJ | BAE27855.1 EMBL· GenBank· DDBJ | mRNA | ||
BC026479 EMBL· GenBank· DDBJ | AAH26479.1 EMBL· GenBank· DDBJ | mRNA |