Structure of PDB 1hsr Chain A Binding Site BS02

Receptor Information
>1hsr Chain A (length=336) Species: 5451 (Agaricales sp. 'Arthromyces ramosus') [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SVTCPGGQSTSNSQCCVWFDVLDDLQTNFYQGSKCESPVRKILRIVFHDA
IGFSPALTAAGQFGGGGADGSIIAHSNIELAFPANGGLTDTIEALRAVGI
NHGVSFGDLIQFATAVGMSNCPGSPRLEFLTGRSNSSQPSPPSLIPGPGN
TVTAILDRMGDAGFSPDEVVDLLAAHSLASQEGLNSAIFRSPLDSTPQVF
DTQFYIETLLKGTTQPGPSLGFAEELSPFPGEFRMRSDALLARDSRTACR
WQSMTSSNEVMGQRYRAAMAKMSVLGFDRNALTDCSDVIPSAVSNNAAPV
IPGGLTVDDIEVSCPSEPFPEIATASGPLPSLAPAP
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 chain1hsr Chain A Residue 347 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1hsr Binding mode of benzhydroxamic acid to Arthromyces ramosus peroxidase shown by X-ray crystallographic analysis of the complex at 1.6 A resolution.
Resolution1.6 Å
Binding residue
(original residue number in PDB)		S185 D202 T204 V207 D209
Binding residue
(residue number reindexed from 1)		S177 D194 T196 V199 D201
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) R52 H56 H184 L201
Catalytic site (residue number reindexed from 1) R44 H48 H176 L193
Enzyme Commision number 1.11.1.7: peroxidase.
Gene Ontology
Molecular Function
GO:0004601 peroxidase activity
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0140825 lactoperoxidase activity
Biological Process
GO:0000302 response to reactive oxygen species
GO:0006979 response to oxidative stress
GO:0034599 cellular response to oxidative stress
GO:0042744 hydrogen peroxide catabolic process
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0005576 extracellular region

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Biological Process
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Cellular Component
External links
PDB RCSB:1hsr, PDBe:1hsr, PDBj:1hsr
PDBsum1hsr
PubMed9257700
UniProtP28313|PER_ARTRA Peroxidase

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