Structure of PDB 1arx Chain A Binding Site BS03

Receptor Information
>1arx 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 IDIOD
InChIInChI=1S/HI/h1H/p-1
InChIKeyXMBWDFGMSWQBCA-UHFFFAOYSA-M
SMILES
SoftwareSMILES
ACDLabs 10.04
CACTVS 3.341
OpenEye OEToolkits 1.5.0		[I-]
FormulaI
NameIODIDE ION
ChEMBL
DrugBankDB12754
ZINC
PDB chain1arx Chain A Residue 676 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1arx Crystal structures of cyanide- and triiodide-bound forms of Arthromyces ramosus peroxidase at different pH values. Perturbations of active site residues and their implication in enzyme catalysis.
Resolution1.9 Å
Binding residue
(original residue number in PDB)		R52 H56
Binding residue
(residue number reindexed from 1)		R44 H48
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:1arx, PDBe:1arx, PDBj:1arx
PDBsum1arx
PubMed7665612
UniProtP28313|PER_ARTRA Peroxidase

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