Structure of PDB 1f0s Chain A Binding Site BS02

Receptor Information
>1f0s Chain A (length=234) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IVGGQECKDGECPWQALLINEENEGFCGGTILSEFYILTAAHCLYQAKRF
KVRVGDRNTEQEEGGEAVHEVEVVIKHNRFTKETYDFDIAVLRLKTPITF
RMNVAPACLPERDWAESTLMTQKTGIVSGFGRTHEKGRQSTRLKMLEVPY
VDRNSCKLSSSFIITQNMFCAGYDTKQEDACQGDSGGPHVTRFKDTYFVT
GIVSWGEGCARKGKYGIYTKVTAFLKWIDRSMKT
Ligand information
Ligand IDPR2
InChIInChI=1S/C19H17N5O3S2/c25-19-14(23-29(26,27)18-9-15-17(28-18)2-1-5-21-15)4-7-24(19)11-13-8-12-3-6-20-10-16(12)22-13/h1-3,5-6,8-10,14,22-23H,4,7,11H2/t14-/m0/s1
InChIKeyPLXOQMHGHDZMSX-AWEZNQCLSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1cc2c(cc(s2)S(=O)(=O)NC3CCN(C3=O)Cc4cc5ccncc5[nH]4)nc1
CACTVS 3.341O=C1[C@H](CCN1Cc2[nH]c3cnccc3c2)N[S](=O)(=O)c4sc5cccnc5c4
ACDLabs 10.04O=C3N(Cc2cc1ccncc1n2)CCC3NS(=O)(=O)c5sc4cccnc4c5
OpenEye OEToolkits 1.5.0c1cc2c(cc(s2)S(=O)(=O)N[C@H]3CCN(C3=O)Cc4cc5ccncc5[nH]4)nc1
CACTVS 3.341O=C1[CH](CCN1Cc2[nH]c3cnccc3c2)N[S](=O)(=O)c4sc5cccnc5c4
FormulaC19 H17 N5 O3 S2
NameTHIENO[3,2-B]PYRIDINE-2-SULFONIC ACID [2-OXO-1-(1H-PYRROLO[2,3-C]PYRIDIN-2-YLMETHYL)-PYRROLIDIN-3-YL]-AMIDE;
RPR208707
ChEMBLCHEMBL1235423
DrugBankDB08426
ZINCZINC000003815573
PDB chain1f0s Chain A Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1f0s Crystal structures of human factor Xa complexed with potent inhibitors.
Resolution2.1 Å
Binding residue
(original residue number in PDB)
Y99 F174 C191 Q192 W215 G216 E217 G219 C220
Binding residue
(residue number reindexed from 1)
Y85 F162 C181 Q182 W205 G206 E207 G208 C209
Annotation score1
Binding affinityMOAD: Ki=18nM
PDBbind-CN: -logKd/Ki=7.74,Ki=18nM
BindingDB: Ki=18nM
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.
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:1f0s, PDBe:1f0s, PDBj:1f0s
PDBsum1f0s
PubMed10966741
UniProtP00742|FA10_HUMAN Coagulation factor X (Gene Name=F10)

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