Structure of PDB 2wii Chain A Binding Site BS01

Receptor Information
>2wii Chain A (length=640) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SPMYSIITPNILRLESEETMVLEAHDAQGDVPVTVTVHDFPGKKLVLSSE
KTVLTPATNHMGNVTFTIPANREFKKGRNKFVTVQATFGTQVVEKVVLVS
LQSGYLFIQTDKTIYTPGSTVLYRIFTVNHKLLPVGRTVMVNIENPEGIP
VKQDSLSSQNQLGVLPLSWDIPELVNMGQWKIRAYYENSPQQVFSTEFEV
KEYVLPSFEVIVEPTEKFYYIYNEKGLEVTITARFLYGKKVEGTAFVIFG
IQDGEQRISLPESLKRIPIEDGSGEVVLSRKVLLDGVQNPRAEDLVGKSL
YVSATVILHSGSDMVQAERSGIPIVTSPYQIHFTKTPKYFKPGMPFDLMV
FVTNPDGSPAYRVPVAVQGEDTVQSLTQGDGVAKLSINTHPSQKPLSITV
RTKKQELSEAEQATRTMQALPYSTVGNSNNYLHLSVLRTELRPGETLNVN
FLLRMDRAHEAKIRYYTYLIMNKGRLLKAGRQVREPGQDLVVLPLSITTD
FIPSFRLVAYYTLIGASGQREVVADSVWVDVKDSCVGSLVVKSGQSEDRQ
PVPGQQMTLKIEGDHGARVVLVAVDKGVFVLNKKNKLTQSKIWDVVEKAD
IGCTPGSGKDYAGVFSDAGLTFTSSSGQQTAQRAELQCPQ
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 chain2wii Chain A Residue 1643 [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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PDB2wii Structure of complement fragment C3b-factor H and implications for host protection by complement regulators.
Resolution2.7 Å
Binding residue
(original residue number in PDB)		P505 D532 V533 D535
Binding residue
(residue number reindexed from 1)		P503 D530 V531 D533
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0004866 endopeptidase inhibitor activity

View graph for
Molecular Function
External links
PDB RCSB:2wii, PDBe:2wii, PDBj:2wii
PDBsum2wii
PubMed19503104
UniProtP01024|CO3_HUMAN Complement C3 (Gene Name=C3)

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