Structure of PDB 2gd4 Chain B Binding Site BS01

Receptor Information
>2gd4 Chain B (length=239) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IVGGQECKDGECPWQALLINEENEGFCGGTILSEFYILTAAHCLYQAKRF
KVRVGDRNTEQEEGGEAVHEVEVVIKHNRFTKETYDFDIAVLRLKTPITF
RMNVAPACLPERDWAESTLMTQKTGIVSGFGRTHEKGRQSTRLKMLEVPY
VDRNSCKLSSSFIITQNMFCAGYDTKQEDACQGDAGGPHVTRFKDTYFVT
GIVSWGEGCARKGKYGIYTKVTAFLKWIDRSMKTRGLPK
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 chain2gd4 Chain B Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2gd4 Antithrombin-S195A factor Xa-heparin structure reveals the allosteric mechanism of antithrombin activation.
Resolution3.3 Å
Binding residue
(original residue number in PDB)		D70 N72 Q75 E80
Binding residue
(residue number reindexed from 1)		D56 N58 Q61 E66
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) H57 D102 Q192 G193 D194 A195 G196
Catalytic site (residue number reindexed from 1) H42 D88 Q182 G183 D184 A185 G186
Enzyme Commision number 3.4.21.6: coagulation factor Xa.
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
Biological Process
GO:0006508 proteolysis

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Molecular Function
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Biological Process
External links
PDB RCSB:2gd4, PDBe:2gd4, PDBj:2gd4
PDBsum2gd4
PubMed16619025
UniProtP00742|FA10_HUMAN Coagulation factor X (Gene Name=F10)

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