Structure of PDB 5kmh Chain A Binding Site BS01

Receptor Information

>5kmh Chain A (length=219) Species: 367737 (Aliarcobacter butzleri RM4018)

MYLRITNIVESSFFTKFIIYLIVLNGITMGLETSKTFMQSFGVYTTLFNQ
IVITIFTIEIILRIYVHRISFFKDPWSLFDFFVVAISLVPTSSGFEILRV
LRVLRLFRLVTAVPQMRKIVSALISVIPGMLSVIALMTLFFYIFAIMATQ
LFGERFPEWFGTLGESFYTLFQVMTLDDWSNGIVRPLMEVYPYAWVFFIP
FIFVVTFVMINLVVAIIVD

Ligand information

• Ligand ID: CA
• InChI: InChI=1S/Ca/q+2
• InChIKey: BHPQYMZQTOCNFJ-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Ca++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Ca+2]
• Formula: Ca
• Name: CALCIUM ION
• DrugBank: DB14577
• PDB chain: 5kmh Chain A Residue 1301

Receptor-Ligand Complex Structure

Structure summary

• PDB: 5kmh Structural basis for inhibition of a voltage-gated Ca(2+) channel by Ca(2+) antagonist drugs.
• Resolution: 3.2 Å
• Binding residue (original residue number in PDB): D1177 D1178
• Binding residue (residue number reindexed from 1): D177 D178
• Annotation score: 1

Gene Ontology

Molecular Function

• GO:0005216 monoatomic ion channel activity
• GO:0005248 voltage-gated sodium channel activity
• GO:0005261 monoatomic cation channel activity
• GO:0042802 identical protein binding
• GO:0046872 metal ion binding

Biological Process

• GO:0006811 monoatomic ion transport
• GO:0035725 sodium ion transmembrane transport
• GO:0055085 transmembrane transport
• GO:0098655 monoatomic cation transmembrane transport

Cellular Component

• GO:0001518 voltage-gated sodium channel complex
• GO:0005886 plasma membrane
• GO:0016020 membrane

External links

• PDB: RCSB:5kmh, PDBe:5kmh, PDBj:5kmh
• PDBsum: 5kmh
• PubMed: 27556947
• UniProt: A8EVM5