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PDBsum entry 1gwc
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* Residue conservation analysis
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PDB id:
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Transferase
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Title:
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The structure of a tau class glutathione s-transferase from wheat, active in herbicide detoxification
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Structure:
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Glutathione s-transferase tsi-1. Chain: a, b, c. Synonym: tagstu4-4 glutathione s-transferase. Engineered: yes
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Source:
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Aegilops tauschii. Bread wheat. Organism_taxid: 37682. Tissue: shoots. Expressed in: escherichia coli bl21. Expression_system_taxid: 511693. Expression_system_variant: plyss. Other_details: wheat seedlings treated for 7 days with the wheat safener fenchlorazole-ethyl
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Biol. unit:
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Monomer (from PDB file)
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Resolution:
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2.25Å
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R-factor:
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0.159
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R-free:
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0.211
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Authors:
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R.Thom,I.Cummins,D.P.Dixon,R.Edwards,D.J.Cole,A.J.Lapthorn
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Key ref:
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R.Thom
et al.
(2002).
Structure of a tau class glutathione S-transferase from wheat active in herbicide detoxification.
Biochemistry,
41,
7008-7020.
PubMed id:
DOI:
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Date:
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14-Mar-02
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Release date:
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06-Jun-02
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PROCHECK
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Headers
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References
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O04941
(O04941_AEGTA) -
glutathione transferase from Aegilops tauschii
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Seq: Struc:
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230 a.a.
221 a.a.
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Key: |
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Secondary structure |
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CATH domain |
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Enzyme class:
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E.C.2.5.1.18
- glutathione transferase.
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Reaction:
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RX + glutathione = an S-substituted glutathione + a halide anion + H+
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RX
Bound ligand (Het Group name = )
matches with 76.92% similarity
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glutathione
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=
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S-substituted glutathione
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+
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halide anion
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+
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H(+)
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Molecule diagrams generated from .mol files obtained from the
KEGG ftp site
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DOI no:
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Biochemistry
41:7008-7020
(2002)
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PubMed id:
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Structure of a tau class glutathione S-transferase from wheat active in herbicide detoxification.
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R.Thom,
I.Cummins,
D.P.Dixon,
R.Edwards,
D.J.Cole,
A.J.Lapthorn.
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ABSTRACT
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Glutathione S-transferases (GSTs) from the phi (GSTF) and tau (GSTU) classes are
unique to plants and play important roles in stress tolerance and secondary
metabolism as well as catalyzing the detoxification of herbicides in crops and
weeds. We have cloned and functionally characterized a group of GSTUs from wheat
treated with fenchlorazole-ethyl, a herbicide safener. One of these enzymes,
TaGSTU4-4, was highly active in conjugating the chemically distinct wheat
herbicides fenoxaprop and dimethenamid. The structure of TaGSTU4-4 has been
determined at 2.2 A resolution in complex with S-hexylglutathione. This enzyme
is the first tau class GST structure to be determined and most closely resembles
the omega class GSTs, but without the unique N-terminal extension or active site
cysteine. The X-ray structure identifies key amino acid residues in the
hydrophobic binding site and provides insights into the substrate specificity of
these enzymes.
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Literature references that cite this PDB file's key reference
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PubMed id
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Reference
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A.Oakley
(2011).
Glutathione transferases: a structural perspective.
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Drug Metab Rev,
43,
138-151.
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C.L.Wang,
and
H.L.Yang
(2011).
Conserved residues in the subunit interface of tau glutathione s-transferase affect catalytic and structural functions.
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J Integr Plant Biol,
53,
35-43.
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I.Cummins,
D.P.Dixon,
S.Freitag-Pohl,
M.Skipsey,
and
R.Edwards
(2011).
Multiple roles for plant glutathione transferases in xenobiotic detoxification.
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Drug Metab Rev,
43,
266-280.
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D.P.Dixon,
and
R.Edwards
(2009).
Selective binding of glutathione conjugates of Fatty Acid derivatives by plant glutathione transferases.
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J Biol Chem,
284,
21249-21256.
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Z.Li,
X.Wang,
J.Ma,
G.Zhang,
and
Z.Ma
(2008).
Cloning and characterization of a tau glutathione S-transferase subunit encoding gene in Gossypium hirsutum.
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Genes Genet Syst,
83,
219-225.
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Q.Zhang,
F.Xu,
K.N.Lambert,
and
D.E.Riechers
(2007).
Safeners coordinately induce the expression of multiple proteins and MRP transcripts involved in herbicide metabolism and detoxification in Triticum tauschii seedling tissues.
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Proteomics,
7,
1261-1278.
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M.Skipsey,
I.Cummins,
C.J.Andrews,
I.Jepson,
and
R.Edwards
(2005).
Manipulation of plant tolerance to herbicides through co-ordinated metabolic engineering of a detoxifying glutathione transferase and thiol cosubstrate.
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Plant Biotechnol J,
3,
409-420.
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N.E.Labrou,
M.Karavangeli,
A.Tsaftaris,
and
Y.D.Clonis
(2005).
Kinetic analysis of maize glutathione S-transferase I catalysing the detoxification from chloroacetanilide herbicides.
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Planta,
222,
91-97.
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E.Pechkova,
and
C.Nicolini
(2004).
Protein nanocrystallography: a new approach to structural proteomics.
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Trends Biotechnol,
22,
117-122.
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G.A.Kotzia,
and
N.E.Labrou
(2004).
S-(2,3-dichlorotriazinyl)glutathione. A new affinity label for probing the structure and function of glutathione transferases.
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Eur J Biochem,
271,
3503-3511.
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K.G.Kilili,
N.Atanassova,
A.Vardanyan,
N.Clatot,
K.Al-Sabarna,
P.N.Kanellopoulos,
A.M.Makris,
and
S.C.Kampranis
(2004).
Differential roles of tau class glutathione S-transferases in oxidative stress.
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J Biol Chem,
279,
24540-24551.
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D.P.Dixon,
A.G.McEwen,
A.J.Lapthorn,
and
R.Edwards
(2003).
Forced evolution of a herbicide detoxifying glutathione transferase.
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J Biol Chem,
278,
23930-23935.
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PDB code:
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F.L.Theodoulou,
I.M.Clark,
X.L.He,
K.E.Pallett,
D.J.Cole,
and
D.L.Hallahan
(2003).
Co-induction of glutathione-S-transferases and multidrug resistance associated protein by xenobiotics in wheat.
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Pest Manag Sci,
59,
202-214.
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The most recent references are shown first.
Citation data come partly from CiteXplore and partly
from an automated harvesting procedure. Note that this is likely to be
only a partial list as not all journals are covered by
either method. However, we are continually building up the citation data
so more and more references will be included with time.
Where a reference describes a PDB structure, the PDB
code is
shown on the right.
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