Structure of PDB 1bjv Chain A Binding Site BS04

Receptor Information
>1bjv Chain A (length=223) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRL
GEDNINVVEGNEQFISASKSIVHPSYNSNTLNNDIMLIKLKSAASLNSRV
ASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKS
AYPGQITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQK
NKPGVYTKVCNYVSWIKQTIASN
Ligand information
Ligand IDGP8
InChIInChI=1S/C20H18N4O2/c21-19(22)14-6-8-15(9-7-14)23-20(25)24-16-10-12-18(13-11-16)26-17-4-2-1-3-5-17/h1-13H,(H3,21,22)(H2,23,24,25)
InChIKeyZHCAYBOLUMAUQX-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(Nc1ccc(C(=[N@H])N)cc1)Nc3ccc(Oc2ccccc2)cc3
OpenEye OEToolkits 1.5.0c1ccc(cc1)Oc2ccc(cc2)NC(=O)Nc3ccc(cc3)C(=N)N
CACTVS 3.341NC(=N)c1ccc(NC(=O)Nc2ccc(Oc3ccccc3)cc2)cc1
FormulaC20 H18 N4 O2
Name1-(2-AMIDINOPHENYL)-3-(PHENOXYPHENYL)UREA
ChEMBLCHEMBL1233097
DrugBankDB03337
ZINCZINC000000009048
PDB chain1bjv Chain A Residue 900 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1bjv Oxyanion-mediated inhibition of serine proteases.
Resolution1.8 Å
Binding residue
(original residue number in PDB)		H57 L99 D189 S190 W215 G216 G219
Binding residue
(residue number reindexed from 1)		H40 L81 D171 S172 W193 G194 G196
Annotation score1
Binding affinityMOAD: Ki=13uM
PDBbind-CN: -logKd/Ki=5.54,Ki=2.9uM
Enzymatic activity
Catalytic site (original residue number in PDB) H57 D102 Q192 G193 D194 S195 G196
Catalytic site (residue number reindexed from 1) H40 D84 Q174 G175 D176 S177 G178
Enzyme Commision number 3.4.21.4: trypsin.
Gene Ontology
Molecular Function
GO:0004175 endopeptidase activity
GO:0004252 serine-type endopeptidase activity
GO:0005515 protein binding
GO:0008236 serine-type peptidase activity
GO:0046872 metal ion binding
GO:0097655 serpin family protein binding
Biological Process
GO:0006508 proteolysis
GO:0007586 digestion
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0097180 serine protease inhibitor complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1bjv, PDBe:1bjv, PDBj:1bjv
PDBsum1bjv
PubMed9836602
UniProtP00760|TRY1_BOVIN Serine protease 1 (Gene Name=PRSS1)

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