Structure of PDB 2r3x Chain B

Receptor sequence
>2r3xB (length=219) Species: 9606 (Homo sapiens) [Search protein sequence]
KPKLHYFNARGLMESTRWLLAAAGVEFEEKFIKSAEDLDKLRNDGYLMFQ
QVPMVEIDGMKLVQTRAILNYIASKYNLYGKDIKERALIDMYIEGIADLG
EMILLLPVCPPEEKDAKLALIKEKIKNRYFPAFEKVLKSHGQDYLVGNKL
SRADIHLVELLYYVEELDSSLISSFPLLKALKTRISNLPTVKKFLQPGSP
RKPPMDEKSLEEARKIFRF
3D structure
PDB2r3x Arginine 15 stabilizes an S(N)Ar reaction transition state and the binding of anionic ligands at the active site of human glutathione transferase A1-1.
ChainB
Resolution1.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) Y9 L15 R20
Catalytic site (residue number reindexed from 1) Y6 L12 R17
Enzyme Commision number 1.11.1.-
2.5.1.18: glutathione transferase.
5.3.3.-
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 GTX B D101 R131 D98 R128
BS02 GTX B Y9 L15 R45 Q54 V55 Q67 T68 L107 F220 Y6 L12 R42 Q51 V52 Q64 T65 L104 F217
Gene Ontology
Molecular Function
GO:0004364 glutathione transferase activity
GO:0004601 peroxidase activity
GO:0004602 glutathione peroxidase activity
GO:0004769 steroid delta-isomerase activity
GO:0005504 fatty acid binding
GO:0005515 protein binding
GO:0016740 transferase activity
GO:0016853 isomerase activity
Biological Process
GO:0006629 lipid metabolic process
GO:0006693 prostaglandin metabolic process
GO:0006749 glutathione metabolic process
GO:0006805 xenobiotic metabolic process
GO:0030855 epithelial cell differentiation
GO:0043651 linoleic acid metabolic process
GO:0098869 cellular oxidant detoxification
GO:1901687 glutathione derivative biosynthetic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0070062 extracellular exosome

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Cellular Component
External links
PDB RCSB:2r3x, PDBe:2r3x, PDBj:2r3x
PDBsum2r3x
PubMed19959275
UniProtP08263|GSTA1_HUMAN Glutathione S-transferase A1 (Gene Name=GSTA1)

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