Structure of PDB 6f39 Chain B Binding Site BS03

Receptor Information
>6f39 Chain B (length=280) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PQKLFGEVTSPLFPKPYPNNFETTTVITVPTGYRVKLVFFDLEPSEGCFY
DYVKISADKKSLGRFCGQLGSPLGNPPGKKEFMSQGNKMLLTFHTDFSNE
ENGTIMYKGFLAYYQAVDLDECASRSKSGEEDPQPQCQHLCHNYVGGYFC
SCRPGYELQEDTHSCQECSSELYTEASGYISSLEYPRSYPPDLRCNYSIR
VERGLTLHLKFLEPFDIDDHQQVHCPYDQLQIYANGKNIGEFCGKQRPPD
LDTSSNAVDLLFFTDESGDSRGWKLRYTTE
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain6f39 Chain B Residue 303 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB6f39 Structure of the C1r-C1s interaction of the C1 complex of complement activation.
Resolution5.801 Å
Binding residue
(original residue number in PDB)		Y197 D226 D236 D273
Binding residue
(residue number reindexed from 1)		Y189 D218 D228 D265
Annotation score4
Enzymatic activity
Enzyme Commision number 3.4.21.41: complement subcomponent C1r.
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding

View graph for
Molecular Function
External links
PDB RCSB:6f39, PDBe:6f39, PDBj:6f39
PDBsum6f39
PubMed29311313
UniProtP00736|C1R_HUMAN Complement C1r subcomponent (Gene Name=C1R)

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