Structure of PDB 1dsg Chain A Binding Site BS02

Receptor Information
>1dsg Chain A (length=291) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LVHVASVEKGRSYEDFQKVYNAIALKLREDDEYDNYIGYGPVLVRLAWHI
SGTWDKHDNTGGSYGGTYRFKKEFNDPSNAGLQNGFKFLEPIHKEFPWIS
SGDLFSLGGVTAVQEMQGPKIPWRCGRVDTPEDTTPDNGRLPDADKDAGY
VRTFFQRLNMNDREVVALMGAGALGKTHLKNSGYEGPWGAANNVFTNEFY
LNLLNEDWKLEKNDANNEQWDSKSGYMMLPTDYSLIQDPKYLSIVKEYAN
DQDKFFKDFSKAFEKLLENGITFPKDAPSPFIFKTLEEQGL
Ligand information
Ligand IDIMD
InChIInChI=1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)/p+1
InChIKeyRAXXELZNTBOGNW-UHFFFAOYSA-O
SMILES
SoftwareSMILES
CACTVS 3.341[nH]1cc[nH+]c1
ACDLabs 10.04c1c[nH+]cn1
OpenEye OEToolkits 1.5.0c1c[nH+]c[nH]1
FormulaC3 H5 N2
NameIMIDAZOLE
ChEMBL
DrugBank
ZINC
PDB chain1dsg Chain A Residue 1500 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1dsg Replacement of the axial histidine ligand with imidazole in cytochrome c peroxidase. 1. Effects on structure.
Resolution2.56 Å
Binding residue
(original residue number in PDB)		M172 W191 D235
Binding residue
(residue number reindexed from 1)		M169 W188 D232
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) R48 H52 G175 W191 D235
Catalytic site (residue number reindexed from 1) R45 H49 G172 W188 D232
Enzyme Commision number 1.11.1.5: cytochrome-c peroxidase.
Gene Ontology
Molecular Function
GO:0004601 peroxidase activity
GO:0020037 heme binding
Biological Process
GO:0006979 response to oxidative stress
GO:0034599 cellular response to oxidative stress

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:1dsg, PDBe:1dsg, PDBj:1dsg
PDBsum1dsg
PubMed11170452
UniProtP00431|CCPR_YEAST Cytochrome c peroxidase, mitochondrial (Gene Name=CCP1)

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