Structure of PDB 2zhd Chain A Binding Site BS02

Receptor Information
>2zhd 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 ID12U
InChIInChI=1S/C22H33N5O2/c23-21(24)17-11-9-16(10-12-17)14-26-22(29)19-8-5-13-27(19)20(28)15-25-18-6-3-1-2-4-7-18/h9-12,18-19,25H,1-8,13-15H2,(H3,23,24)(H,26,29)/t19-/m0/s1
InChIKeyBYTJPDBCLWUEBU-IBGZPJMESA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.5c1cc(ccc1CNC(=O)C2CCCN2C(=O)CNC3CCCCCC3)C(=N)N
ACDLabs 10.04O=C(NCc1ccc(C(=[N@H])N)cc1)C3N(C(=O)CNC2CCCCCC2)CCC3
OpenEye OEToolkits 1.7.5[H]/N=C(/c1ccc(cc1)CNC(=O)[C@@H]2CCCN2C(=O)CNC3CCCCCC3)\N
CACTVS 3.385NC(=N)c1ccc(CNC(=O)[CH]2CCCN2C(=O)CNC3CCCCCC3)cc1
CACTVS 3.385NC(=N)c1ccc(CNC(=O)[C@@H]2CCCN2C(=O)CNC3CCCCCC3)cc1
FormulaC22 H33 N5 O2
NameN-cycloheptylglycyl-N-(4-carbamimidoylbenzyl)-L-prolinamide;
(2S)-N-[(4-carbamimidoylphenyl)methyl]-1-[2-(cycloheptylamino)ethanoyl]pyrrolidine-2-carboxamide
ChEMBL
DrugBankDB06853
ZINCZINC000039024438
PDB chain2zhd Chain A Residue 501 [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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PDB2zhd Congeneric but still distinct: how closely related trypsin ligands exhibit different thermodynamic and structural properties
Resolution1.94 Å
Binding residue
(original residue number in PDB)		H57 T98 L99 Q175 D189 S190 Q192 V213 S214 W215 G216 G219
Binding residue
(residue number reindexed from 1)		H40 T80 L81 Q155 D171 S172 Q174 V191 S192 W193 G194 G196
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=6.54,Kd=287nM
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:2zhd, PDBe:2zhd, PDBj:2zhd
PDBsum2zhd
PubMed21111747
UniProtP00760|TRY1_BOVIN Serine protease 1 (Gene Name=PRSS1)

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