Structure of PDB 1s2n Chain B Binding Site BS03

Receptor Information
>1s2n Chain B (length=273) Species: 210249 (Vibrio sp. PA-44) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SNAIWGLDRIDQRNLPLDRNYNANFDGFGVTAYVIDTGVNNNHEEFGGRS
VSGYDFVDNDADSSDCNGHGTHVAGTIGGSQYGVAKNVNIVGVRVLSCSG
SGTTSGVISGVDWVAQNASGPSVANMSLGGGQSTALDSAVQGAIQSGVSF
MLAAGNSNADACNTSPARVPSGVTVGSTTSSDSRSSFSNWGSCVDLFAPG
SQIKSAWYDGGYKTISGTSMATPHVAGVAALYLQENNGLTPLQLTGLLNS
RASENKVSDTRGTTNKLLYSLAD
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 chain1s2n Chain B Residue 2292 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1s2n Crystal structure of a subtilisin-like serine proteinase from a psychrotrophic Vibrio species reveals structural aspects of cold adaptation.
Resolution2.44 Å
Binding residue
(original residue number in PDB)		D9 D12 Q13 D19 N21
Binding residue
(residue number reindexed from 1)		D8 D11 Q12 D18 N20
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) D37 H70 N157 S220
Catalytic site (residue number reindexed from 1) D36 H69 N156 S219
Enzyme Commision number 3.4.21.-
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
GO:0008236 serine-type peptidase activity
Biological Process
GO:0006508 proteolysis

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Molecular Function
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Biological Process
External links
PDB RCSB:1s2n, PDBe:1s2n, PDBj:1s2n
PDBsum1s2n
PubMed15670163
UniProtQ8GB52

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