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8EPM

Human R-type voltage-gated calcium channel Cav2.3 CH2II-deleted mutant at 3.1 Angstrom resolution

Functional Information from GO Data
ChainGOidnamespacecontents
A0005216molecular_functionmonoatomic ion channel activity
A0005245molecular_functionvoltage-gated calcium channel activity
A0005262molecular_functioncalcium channel activity
A0005509molecular_functioncalcium ion binding
A0005886cellular_componentplasma membrane
A0005891cellular_componentvoltage-gated calcium channel complex
A0006811biological_processmonoatomic ion transport
A0006816biological_processcalcium ion transport
A0007268biological_processchemical synaptic transmission
A0008331molecular_functionhigh voltage-gated calcium channel activity
A0016020cellular_componentmembrane
A0022843molecular_functionvoltage-gated monoatomic cation channel activity
A0034220biological_processmonoatomic ion transmembrane transport
A0034702cellular_componentmonoatomic ion channel complex
A0043025cellular_componentneuronal cell body
A0045202cellular_componentsynapse
A0046872molecular_functionmetal ion binding
A0055085biological_processtransmembrane transport
A0070588biological_processcalcium ion transmembrane transport
A0098703biological_processcalcium ion import across plasma membrane
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues18
DetailsTransmembrane: {"description":"Helical; Name=S1 of repeat I"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues373
DetailsTopological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues18
DetailsTransmembrane: {"description":"Helical; Name=S2 of repeat I"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues14
DetailsTransmembrane: {"description":"Helical; Name=S3 of repeat I"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues19
DetailsTransmembrane: {"description":"Helical; Name=S4 of repeat I"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues78
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=S5 of repeat I"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues23
DetailsTransmembrane: {"description":"Helical; Name=S6 of repeat I"}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues19
DetailsTransmembrane: {"description":"Helical; Name=S1 of repeat II"}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues18
DetailsTransmembrane: {"description":"Helical; Name=S4 of repeat II"}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues19
DetailsTransmembrane: {"description":"Helical; Name=S5 of repeat II"}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=S6 of repeat II"}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues19
DetailsTransmembrane: {"description":"Helical; Name=S2 of repeat III"}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues17
DetailsTransmembrane: {"description":"Helical; Name=S4 of repeat III"}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues19
DetailsTransmembrane: {"description":"Helical; Name=S5 of repeat III"}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues23
DetailsTransmembrane: {"description":"Helical; Name=S6 of repeat III"}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues18
DetailsTransmembrane: {"description":"Helical; Name=S1 of repeat IV"}
ChainResidueDetails

site_idSWS_FT_FI18
Number of Residues19
DetailsTransmembrane: {"description":"Helical; Name=S2 of repeat IV"}
ChainResidueDetails

site_idSWS_FT_FI19
Number of Residues18
DetailsTransmembrane: {"description":"Helical; Name=S3 of repeat IV"}
ChainResidueDetails

site_idSWS_FT_FI20
Number of Residues18
DetailsTransmembrane: {"description":"Helical; Name=S4 of repeat IV"}
ChainResidueDetails

site_idSWS_FT_FI21
Number of Residues19
DetailsTransmembrane: {"description":"Helical; Name=S5 of repeat IV"}
ChainResidueDetails

site_idSWS_FT_FI22
Number of Residues25
DetailsTransmembrane: {"description":"Helical; Name=S6 of repeat IV"}
ChainResidueDetails

site_idSWS_FT_FI23
Number of Residues4
DetailsSite: {"description":"Calcium ion selectivity and permeability","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI24
Number of Residues11
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI25
Number of Residues177
DetailsDomain: {"description":"VWFA","evidences":[{"source":"PROSITE-ProRule","id":"PRU00219","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI26
Number of Residues4
DetailsMotif: {"description":"MIDAS-like motif"}
ChainResidueDetails

site_idSWS_FT_FI27
Number of Residues3
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI28
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P54290","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI29
Number of Residues7
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"34234349","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"7MIX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7MIY","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

243083

PDB entries from 2025-10-15

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