Structure of PDB 1bzx Chain E Binding Site BS01

Receptor Information
>1bzx Chain E (length=222) Species: 8030 (Salmo salar) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IVGGYECKPYSQPHQVSLNSGYHFCGGSLVNENWVVSAAHCYKSRVEVRL
GEHNIKVTEGSEQFISSSRVIRHPNYSSYNIDNDIMLIKLSKPATLNTYV
QPVALPTSCAPAGTMCTVSGWGNTMSSTADSNKLQCLNIPILSYSDCNNS
YPGMITNAMFCAGYLEGGKDSCQGDSGGPVVCNGELQGVVSWGYGCAEPG
NPGVYAKVCIFNDWLTSTMASY
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0
[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1bzx Chain E Residue 700 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1bzx The crystal structure of anionic salmon trypsin in complex with bovine pancreatic trypsin inhibitor.
Resolution2.1 Å
Binding residue
(original residue number in PDB)
E70 N72 V75 E77 E80
Binding residue
(residue number reindexed from 1)
E52 N54 V57 E59 E62
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) D102 G193 S195 G196
Catalytic site (residue number reindexed from 1) D84 G174 S176 G177
Enzyme Commision number 3.4.21.4: trypsin.
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
GO:0008236 serine-type peptidase activity
GO:0046872 metal ion binding
Biological Process
GO:0006508 proteolysis
GO:0007586 digestion
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space

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Cellular Component
External links
PDB RCSB:1bzx, PDBe:1bzx, PDBj:1bzx
PDBsum1bzx
PubMed9760170
UniProtP35031|TRY1_SALSA Trypsin-1

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