Structure of PDB 2o4q Chain B

Receptor sequence
>2o4qB (length=330) Species: 293 (Brevundimonas diminuta) [Search protein sequence]
GDRINTVRGPITISEAGFTLTHEHICASSAGFLRAWPEFFGSRKALAEKA
VRGLRRARAAGVRTIVDVSTFDIGRDVSLLAEVSRAADVHIVAATGLWFD
PPLSMRLRSVEELTQFFLREIQYGIEDTGIRAGIIKVATTGKATPFQELV
LKAAARASLATGVPVTTHTAASQRDGEQQAAIFESEGLSPSRVCIGHSDD
TDDLSYLTALAARGYLIGLDHIPHSAIGLEDNASASALLGIRSWQTRALL
IKALIDQGYMKQILVSNDWLFGFSSYVTNIMDVMDRVNPDGMAFIPLRVI
PFLREKGVPQETLAGITVTNPARFLSPTLR
3D structure
PDB2o4q Structure of diethyl phosphate bound to the binuclear metal center of phosphotriesterase.
ChainB
Resolution1.95 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H55 H57 K169 H201 H230 D233 H254 D301
Catalytic site (residue number reindexed from 1) H22 H24 K136 H168 H197 D200 H221 D268
Enzyme Commision number 3.1.8.1: aryldialkylphosphatase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 ZN B H55 H57 K169 D301 H22 H24 K136 D268
BS02 ZN B K169 H201 H230 K136 H168 H197
BS03 CAC B H57 W131 K169 H201 D301 H24 W98 K136 H168 D268
Gene Ontology
Molecular Function
GO:0004063 aryldialkylphosphatase activity
GO:0008270 zinc ion binding
GO:0016787 hydrolase activity
GO:0016788 hydrolase activity, acting on ester bonds
GO:0046872 metal ion binding
Biological Process
GO:0009056 catabolic process
Cellular Component
GO:0005886 plasma membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2o4q, PDBe:2o4q, PDBj:2o4q
PDBsum2o4q
PubMed18702530
UniProtP0A434|OPD_BREDI Parathion hydrolase (Gene Name=opd)

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