Structure of PDB 2xc4 Chain A

Receptor sequence
>2xc4A (length=233) Species: 9606 (Homo sapiens) [Search protein sequence]
IVGGQECKDGECPWQALLINEENEGFCGGTILSEFYILTAAHCLYQAKRF
KVRVGDRNTEQEEGGEAVHEVEVVIKHNRFTKETYDFDIAVLRLKTPITF
RMNVAPACLPERDWAESTLMTQKTGIVSGFGRTHEKGRQSTRLKMLEVPY
VDRNSCKLSSSFIITQNMFCAGYDTKQEDACQGDSGGPHVTRFKDTYFVT
GIVSWGEGCARKGKYGIYTKVTAFLKWIDRSMK
3D structure
PDB2xc4 Discovery of a Factor Xa Inhibitor (3R,4R)-1-(2,2-Difluoro-Ethyl)-Pyrrolidine-3,4-Dicarboxylic Acid 3-[(5-Chloro-Pyridin-2-Yl)-Amide] 4-{[2-Fluoro-4-(2-Oxo-2H-Pyridin-1-Yl)-Phenyl]-Amide} as a Clinical Candidate.
ChainA
Resolution1.67 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H57 D102 Q192 G193 D194 S195 G196
Catalytic site (residue number reindexed from 1) H42 D88 Q182 G183 D184 S185 G186
Enzyme Commision number 3.4.21.6: coagulation factor Xa.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CA A D70 N72 Q75 E80 D56 N58 Q61 E66
BS02 IVK A E97 T98 Y99 F174 D189 A190 V213 W215 G216 G218 G226 I227 Y228 E83 T84 Y85 F162 D179 A180 V203 W205 G206 G208 G216 I217 Y218 MOAD: Ki=0.009uM
PDBbind-CN: -logKd/Ki=8.05,Ki=9nM
BindingDB: Ki=9nM
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:2xc4, PDBe:2xc4, PDBj:2xc4
PDBsum2xc4
PubMed20650636
UniProtP00742|FA10_HUMAN Coagulation factor X (Gene Name=F10)

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