Structure of PDB 4btu Chain B

Receptor sequence
>4btuB (length=234) Species: 9606 (Homo sapiens) [Search protein sequence]
IVGGQECKDGECPWQALLINEENEGFCGGTILSEFYILTAAHCLYQAKRF
KVRVGDRNTEQEEGGEAVHEVEVVIKHNRFTKETYDFDIAVLRLKTPITF
RMNVAPACLPERDWAESTLMTQKTGIVSGFGRTHEKGRQSTRLKMLEVPY
VDRNSCKLSSSFIITQNMFCAGYDTKQEDACQGDSGGPHVTRFKDTYFVT
GIVSWGEGCARKGKYGIYTKVTAFLKWIDRSMKT
3D structure
PDB4btu 5-Chlorothiophene-2-Carboxylic Acid [(S)-2-[2-Methyl-3-(2-Oxopyrrolidin-1-Yl)Benzenesulfonylamino]-3-(4-Methylpiperazin-1-Yl)-3-Oxopropyl]Amide (Sar107375), a Selective and Potent Orally Active Dual Thrombin and Factor Xa Inhibitor.
ChainB
Resolution2.37 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 B D70 N72 Q75 E76 E77 E80 D56 N58 Q61 E62 E63 E66
BS02 6XS B Y99 F174 A190 Q192 V213 W215 G216 G219 C220 Y228 Y85 F162 A180 Q182 V203 W205 G206 G208 C209 Y218 MOAD: ic50=0.5nM
PDBbind-CN: -logKd/Ki=9.30,IC50=0.5nM
BindingDB: IC50=0.500000nM
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
Biological Process
GO:0006508 proteolysis

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:4btu, PDBe:4btu, PDBj:4btu
PDBsum4btu
PubMed24175584
UniProtP00742|FA10_HUMAN Coagulation factor X (Gene Name=F10)

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