Structure of PDB 6c0s Chain A Binding Site BS01

Receptor Information
>6c0s Chain A (length=238) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IVGGTASVRGEWPWQVTLHTTSPTQRHLCGGSIIGNQWILTAAHCFYGVE
SPKILRVYSGILNQSEIKEDTSFFGVQEIIIHDQYKMAESGYDIALLKLE
TTVGYGDSQRPICLPSKGDRNVIYTDCWVTGWGYRKLRDKIQNTLQKAKI
PLVTNEECQKRYRGHKITHKMICAGYREGGKDACKGDSGGPLSCKHNEVW
HLVGITSWGEGCAQRERPGVYTNVVEYVDWILEKTQAV
Ligand information
Ligand IDEEJ
InChIInChI=1S/C31H31Cl2N9O4/c1-19(43)41-13-3-4-20(17-41)14-26(36-29(44)12-7-22-15-23(32)8-11-28(22)42-18-34-39-40-42)27-16-25(30(33)38-37-27)21-5-9-24(10-6-21)35-31(45)46-2/h5-12,15-16,18,20,26H,3-4,13-14,17H2,1-2H3,(H,35,45)(H,36,44)/b12-7+/t20-,26+/m1/s1
InChIKeyQCCGVMDYTWPPFU-BONIYOLGSA-N
SMILES
SoftwareSMILES
ACDLabs 12.01c1cc(ccc1c5cc(C(NC(\C=C\c2c(ccc(c2)Cl)n3cnnn3)=O)CC4CCCN(C4)C(=O)C)nnc5Cl)NC(OC)=O
CACTVS 3.385COC(=O)Nc1ccc(cc1)c2cc(nnc2Cl)[C@H](C[C@H]3CCCN(C3)C(C)=O)NC(=O)/C=C/c4cc(Cl)ccc4n5cnnn5
CACTVS 3.385COC(=O)Nc1ccc(cc1)c2cc(nnc2Cl)[CH](C[CH]3CCCN(C3)C(C)=O)NC(=O)C=Cc4cc(Cl)ccc4n5cnnn5
OpenEye OEToolkits 2.0.6CC(=O)N1CCCC(C1)CC(c2cc(c(nn2)Cl)c3ccc(cc3)NC(=O)OC)NC(=O)C=Cc4cc(ccc4n5cnnn5)Cl
OpenEye OEToolkits 2.0.6CC(=O)N1CCC[C@@H](C1)C[C@@H](c2cc(c(nn2)Cl)c3ccc(cc3)NC(=O)OC)NC(=O)/C=C/c4cc(ccc4n5cnnn5)Cl
FormulaC31 H31 Cl2 N9 O4
Namemethyl (4-{6-[(1S)-2-[(3R)-1-acetylpiperidin-3-yl]-1-({(2E)-3-[5-chloro-2-(1H-tetrazol-1-yl)phenyl]prop-2-enoyl}amino)ethyl]-3-chloropyridazin-4-yl}phenyl)carbamate
ChEMBL
DrugBank
ZINC
PDB chain6c0s Chain A Residue 301 [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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PDB6c0s Pyridazine and pyridazinone derivatives as potent and selective factor XIa inhibitors.
Resolution2.35 Å
Binding residue
(original residue number in PDB)		R39 H40 L41 H57 L147 I151 D189 A190 C191 K192 G193 S195 T213 W215 G216 G218 C219 G226 V227
Binding residue
(residue number reindexed from 1)		R26 H27 L28 H44 L137 I141 D182 A183 C184 K185 G186 S188 T206 W208 G209 G211 C212 G219 V220
Annotation score1
Binding affinityMOAD: Ki=89nM
PDBbind-CN: -logKd/Ki=7.05,Ki=89nM
Enzymatic activity
Catalytic site (original residue number in PDB) H57 D102 K192 G193 D194 S195 G196
Catalytic site (residue number reindexed from 1) H44 D93 K185 G186 D187 S188 G189
Enzyme Commision number 3.4.21.27: coagulation factor XIa.
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:6c0s, PDBe:6c0s, PDBj:6c0s
PDBsum6c0s
PubMed29501396
UniProtP03951|FA11_HUMAN Coagulation factor XI (Gene Name=F11)

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