Emaill.a.kelley@imperial.ac.uk
DescriptionP0CF87
DateThu Jan 5 11:31:44 GMT 2012
Unique Job ID04805679eb239951

Detailed template information 

#Template Alignment Coverage3D Model Confidence% i.d. Template Information
1c3rdwB_



99.9 28 PDB header:oxidoreductase
Chain: B: PDB Molecule:putative arsenate reductase;
PDBTitle: putative arsenate reductase from yersinia pestis
2c3f0iA_



99.9 29 PDB header:oxidoreductase
Chain: A: PDB Molecule:arsenate reductase;
PDBTitle: arsenate reductase from vibrio cholerae.
3d1j9ba_



99.9 47 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:ArsC-like
4c3fz4A_



99.9 16 PDB header:oxidoreductase
Chain: A: PDB Molecule:putative arsenate reductase;
PDBTitle: the crystal structure of a possible arsenate reductase from2 streptococcus mutans ua159
5c3gkxB_



99.9 19 PDB header:structural genomics, unknown function
Chain: B: PDB Molecule:putative arsc family related protein;
PDBTitle: crystal structure of putative arsc family related protein from2 bacteroides fragilis
6d1z3ea1



99.9 20 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:ArsC-like
7c3l78A_



99.9 21 PDB header:transcription
Chain: A: PDB Molecule:regulatory protein spx;
PDBTitle: the crystal structure of smu.1142c from streptococcus mutans ua159
8c2kokA_



99.9 14 PDB header:oxidoreductase
Chain: A: PDB Molecule:arsenate reductase;
PDBTitle: solution structure of an arsenate reductase (arsc) related protein2 from brucella melitensis. seattle structural genomics center for3 infectious disease target braba.00007.a.
9d1rw1a_



99.9 10 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:ArsC-like
10d1h75a_



98.3 28 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Thioltransferase
11c2khpA_



98.1 22 PDB header:electron transport
Chain: A: PDB Molecule:glutaredoxin;
PDBTitle: solution structure of glutaredoxin from brucella melitensis
12d1r7ha_



98.0 22 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Thioltransferase
13d1fova_



98.0 22 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Thioltransferase
14c1nm3B_



98.0 19 PDB header:electron transport
Chain: B: PDB Molecule:protein hi0572;
PDBTitle: crystal structure of heamophilus influenza hybrid-prx5
15c2klxA_



97.9 18 PDB header:oxidoreductase
Chain: A: PDB Molecule:glutaredoxin;
PDBTitle: solution structure of glutaredoxin from bartonella henselae str.2 houston
16d1nm3a1



97.9 22 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Thioltransferase
17c3fzaA_



97.8 9 PDB header:oxidoreductase
Chain: A: PDB Molecule:glutaredoxin;
PDBTitle: crystal structure of poplar glutaredoxin s12 in complex with2 glutathione and beta-mercaptoethanol
18c3ic4A_



97.8 18 PDB header:oxidoreductase
Chain: A: PDB Molecule:glutaredoxin (grx-1);
PDBTitle: the crystal structure of the glutaredoxin(grx-1) from archaeoglobus2 fulgidus
19c3lgcA_



97.8 9 PDB header:unknown function
Chain: A: PDB Molecule:glutaredoxin 1;
PDBTitle: crystal structure of glutaredoxin 1 from francisella2 tularensis
20c3qmxA_



97.7 16 PDB header:electron transport
Chain: A: PDB Molecule:glutaredoxin a;
PDBTitle: x-ray crystal structure of synechocystis sp. pcc 6803 glutaredoxin a
21d1t1va_



not modelled 97.7 17 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:SH3BGR (SH3-binding, glutamic acid-rich protein-like)
22c3nznA_



not modelled 97.6 12 PDB header:oxidoreductase
Chain: A: PDB Molecule:glutaredoxin;
PDBTitle: the crystal structure of the glutaredoxin from methanosarcina mazei2 go1
23d1abaa_



not modelled 97.6 17 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Thioltransferase
24c2e7pC_



not modelled 97.5 14 PDB header:electron transport
Chain: C: PDB Molecule:glutaredoxin;
PDBTitle: crystal structure of the holo form of glutaredoxin c1 from populus2 tremula x tremuloides
25c3h8qB_



not modelled 97.4 19 PDB header:oxidoreductase
Chain: B: PDB Molecule:thioredoxin reductase 3;
PDBTitle: crystal structure of glutaredoxin domain of human thioredoxin2 reductase 3
26c2ht9A_



not modelled 97.3 6 PDB header:oxidoreductase
Chain: A: PDB Molecule:glutaredoxin-2;
PDBTitle: the structure of dimeric human glutaredoxin 2
27d1egoa_



not modelled 97.1 13 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Thioltransferase
28d1ktea_



not modelled 97.0 13 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Thioltransferase
29d1wika_



not modelled 96.9 26 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Thioltransferase
30d1z9ha2



not modelled 96.9 17 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
31d1jhba_



not modelled 96.8 11 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Thioltransferase
32c2hzfA_



not modelled 96.7 20 PDB header:electron transport, oxidoreductase
Chain: A: PDB Molecule:glutaredoxin-1;
PDBTitle: crystal structures of a poxviral glutaredoxin in the oxidized and2 reduced states show redox-correlated structural changes
33d1k0da2



not modelled 96.7 12 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
34c1ykaA_



not modelled 96.6 31 PDB header:electron transport
Chain: A: PDB Molecule:monothiol glutaredoxin ydhd;
PDBTitle: solution structure of grx4, a monothiol glutaredoxin from2 e. coli.
35d1eema2



not modelled 96.5 20 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
36c1k0dB_



not modelled 96.4 12 PDB header:gene regulation
Chain: B: PDB Molecule:ure2 protein;
PDBTitle: ure2p in complex with glutathione
37d1oyja2



not modelled 96.4 7 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
38d1k0dd2



not modelled 96.4 12 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
39d1ljra2



not modelled 96.4 15 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
40c2ct6A_



not modelled 96.3 18 PDB header:structural genomics, unknown function
Chain: A: PDB Molecule:sh3 domain-binding glutamic acid-rich-like
PDBTitle: solution structure of the sh3 domain-binding glutamic acid-2 rich-like protein 2
41c3l4nA_



not modelled 96.3 25 PDB header:oxidoreductase
Chain: A: PDB Molecule:monothiol glutaredoxin-6;
PDBTitle: crystal structure of yeast monothiol glutaredoxin grx6
42c1oyjC_



not modelled 96.2 7 PDB header:transferase
Chain: C: PDB Molecule:glutathione s-transferase;
PDBTitle: crystal structure solution of rice gst1 (osgstu1) in complex with2 glutathione.
43c1ljrB_



not modelled 96.2 15 PDB header:transferase
Chain: B: PDB Molecule:glutathione s-transferase;
PDBTitle: glutathione transferase (hgst t2-2) from human
44d1gwca2



not modelled 96.1 7 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
45c1yy7A_



not modelled 96.1 18 PDB header:transcription
Chain: A: PDB Molecule:stringent starvation protein a;
PDBTitle: crystal structure of stringent starvation protein a (sspa),2 an rna polymerase-associated transcription factor
46c2jl4A_



not modelled 96.0 19 PDB header:isomerase
Chain: A: PDB Molecule:maleylpyruvate isomerase;
PDBTitle: holo structure of maleyl pyruvate isomerase, a bacterial2 glutathione-s-transferase in zeta class
47c2jacA_



not modelled 96.0 13 PDB header:electron transport
Chain: A: PDB Molecule:glutaredoxin-1;
PDBTitle: glutaredoxin grx1p c30s mutant from yeast
48c3m3mA_



not modelled 96.0 13 PDB header:transferase
Chain: A: PDB Molecule:glutathione s-transferase;
PDBTitle: crystal structure of glutathione s-transferase from pseudomonas2 fluorescens [pf-5]
49c2vo4A_



not modelled 96.0 9 PDB header:transferase
Chain: A: PDB Molecule:2,4-d inducible glutathione s-transferase;
PDBTitle: glutathione transferase from glycine max
50c1gwcC_



not modelled 95.9 7 PDB header:transferase
Chain: C: PDB Molecule:glutathione s-transferase tsi-1;
PDBTitle: the structure of a tau class glutathione s-transferase from2 wheat, active in herbicide detoxification
51c3d5jB_



not modelled 95.9 17 PDB header:oxidoreductase
Chain: B: PDB Molecule:glutaredoxin-2, mitochondrial;
PDBTitle: structure of yeast grx2-c30s mutant with glutathionyl mixed2 disulfide
52c3qagA_



not modelled 95.8 26 PDB header:transferase
Chain: A: PDB Molecule:glutathione s-transferase omega-2;
PDBTitle: human glutathione transferase o2 with glutathione -new crystal form
53c1z9hB_



not modelled 95.8 13 PDB header:isomerase
Chain: B: PDB Molecule:membrane-associated prostaglandin e synthase-2;
PDBTitle: microsomal prostaglandin e synthase type-2
54c2imiA_



not modelled 95.8 18 PDB header:transferase
Chain: A: PDB Molecule:epsilon-class glutathione s-transferase;
PDBTitle: structures of an insect epsilon-class glutathione s-2 transferase from the malaria vector anopheles gambiae:3 evidence for high ddt-detoxifying activity
55c3ipzA_



not modelled 95.7 23 PDB header:electron transport, oxidoreductase
Chain: A: PDB Molecule:monothiol glutaredoxin-s14, chloroplastic;
PDBTitle: crystal structure of arabidopsis monothiol glutaredoxin atgrxcp
56c1eemA_



not modelled 95.7 27 PDB header:transferase
Chain: A: PDB Molecule:glutathione-s-transferase;
PDBTitle: glutathione transferase from homo sapiens
57d1e6ba2



not modelled 95.7 15 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
58c3ay8A_



not modelled 95.7 30 PDB header:transferase
Chain: A: PDB Molecule:glutathione s-transferase;
PDBTitle: glutathione s-transferase unclassified 2 from bombyx mori
59c3cbuB_



not modelled 95.7 6 PDB header:transferase
Chain: B: PDB Molecule:probable gst-related protein;
PDBTitle: crystal structure of a putative glutathione s-transferase (reut_a1011)2 from ralstonia eutropha jmp134 at 2.05 a resolution
60d1gnwa2



not modelled 95.7 23 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
61d1g7oa2



not modelled 95.6 8 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
62c3c1sA_



not modelled 95.6 13 PDB header:oxidoreductase
Chain: A: PDB Molecule:glutaredoxin-1;
PDBTitle: crystal structure of grx1 in glutathionylated form
63c1oktA_



not modelled 95.5 22 PDB header:transferase
Chain: A: PDB Molecule:glutathione s-transferase;
PDBTitle: x-ray structure of glutathione s-transferase from the2 malarial parasite plasmodium falciparum
64c3lg6B_



not modelled 95.5 18 PDB header:transferase
Chain: B: PDB Molecule:putative glutathione transferase;
PDBTitle: crystal structure of putative glutathione transferase from2 coccidioides immitis
65d1v2aa2



not modelled 95.4 6 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
66c3lykA_



not modelled 95.4 12 PDB header:transport protein
Chain: A: PDB Molecule:stringent starvation protein a homolog;
PDBTitle: structure of stringent starvation protein a homolog from2 haemophilus influenzae
67c1g7oA_



not modelled 95.4 8 PDB header:oxidoreductase
Chain: A: PDB Molecule:glutaredoxin 2;
PDBTitle: nmr solution structure of reduced e. coli glutaredoxin 2
68d1jlva2



not modelled 95.3 16 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
69c3ic8D_



not modelled 95.3 13 PDB header:structural genomics, unknown function
Chain: D: PDB Molecule:uncharacterized gst-like proteinprotein;
PDBTitle: the crystal structure of a gst-like protein from pseudomonas syringae2 to 2.4a
70c1e6bA_



not modelled 95.3 13 PDB header:transferase
Chain: A: PDB Molecule:glutathione s-transferase;
PDBTitle: crystal structure of a zeta class glutathione s-transferase2 from arabidopsis thaliana
71c3lypA_



not modelled 95.2 25 PDB header:transcription
Chain: A: PDB Molecule:stringent starvation protein a;
PDBTitle: structure of stringent starvation protein a homolog from pseudomonas2 fluorescens
72d1aw9a2



not modelled 95.2 15 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
73c3nivD_



not modelled 95.2 11 PDB header:isomerase
Chain: D: PDB Molecule:glutathione s-transferase;
PDBTitle: the crystal structure of glutathione s-transferase from legionella2 pneumophila
74c2wulB_



not modelled 95.2 23 PDB header:oxidoreductase
Chain: B: PDB Molecule:glutaredoxin related protein 5;
PDBTitle: crystal structure of the human glutaredoxin 5 with bound2 glutathione in an fes cluster
75c1v2aD_



not modelled 95.1 4 PDB header:transferase
Chain: D: PDB Molecule:glutathione transferase gst1-6;
PDBTitle: glutathione s-transferase 1-6 from anopheles dirus species b
76d1jlwa2



not modelled 95.1 16 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
77d1pn9a2



not modelled 95.1 16 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
78d1axda2



not modelled 95.0 12 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
79d1ttza_



not modelled 95.0 17 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Thioltransferase
80c2c3nB_



not modelled 94.9 10 PDB header:transferase
Chain: B: PDB Molecule:glutathione s-transferase theta 1;
PDBTitle: human glutathione-s-transferase t1-1, apo form
81d1iloa_



not modelled 94.8 17 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Thioltransferase
82c3lxzD_



not modelled 94.8 9 PDB header:transferase
Chain: D: PDB Molecule:glutathione s-transferase family protein;
PDBTitle: structure of probable glutathione s-transferase(pp0183) from2 pseudomonas putida
83c3bbyA_



not modelled 94.8 17 PDB header:transferase
Chain: A: PDB Molecule:uncharacterized gst-like protein yfcf;
PDBTitle: crystal structure of glutathione s-transferase (np_416804.1) from2 escherichia coli k12 at 1.85 a resolution
84c3touB_



not modelled 94.7 10 PDB header:transferase
Chain: B: PDB Molecule:glutathione s-transferase protein;
PDBTitle: crystal structure of glutathione transferase (target efi-501058) from2 ralstonia solanacearum gmi1000 with gsh bound
85c3m8nA_



not modelled 94.7 15 PDB header:transferase
Chain: A: PDB Molecule:possible glutathione s-transferase;
PDBTitle: crystal structure of a possible gutathione s-tranferase from2 rhodopseudomonas palustris
86c1zl9A_



not modelled 94.7 9 PDB header:transferase
Chain: A: PDB Molecule:glutathione s-transferase 5;
PDBTitle: crystal structure of a major nematode c.elegans specific gst (ce01613)
87c3rbtD_



not modelled 94.5 9 PDB header:transferase
Chain: D: PDB Molecule:glutathione transferase o1;
PDBTitle: crystal structure of glutathione s-transferase omega 3 from the2 silkworm bombyx mori
88c1jlwA_



not modelled 94.5 16 PDB header:transferase
Chain: A: PDB Molecule:glutathione transferase gst1-4;
PDBTitle: anopheles dirus species b glutathione s-transferases 1-4
89c1gnwA_



not modelled 94.4 23 PDB header:transferase
Chain: A: PDB Molecule:glutathione s-transferase;
PDBTitle: structure of glutathione s-transferase
90c1jlvA_



not modelled 94.4 16 PDB header:transferase
Chain: A: PDB Molecule:glutathione transferase gst1-3;
PDBTitle: anopheles dirus species b glutathione s-transferases 1-3
91d1fw1a2



not modelled 94.4 13 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
92d1r5aa2



not modelled 94.3 22 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
93c3f6fA_



not modelled 94.3 13 PDB header:transferase
Chain: A: PDB Molecule:cg18548-pa (ip02196p) (ip02193p);
PDBTitle: crystal structure of glutathione transferase dmgstd10 from2 drosophila melanogaster
94c2ws2B_



not modelled 94.2 9 PDB header:transferase
Chain: B: PDB Molecule:glutathione s-transferase;
PDBTitle: the 2 angstrom structure of a nu-class gst from haemonchus contortus
95c3gx0A_



not modelled 94.2 17 PDB header:transferase
Chain: A: PDB Molecule:gst-like protein yfcg;
PDBTitle: crystal structure of gsh-dependent disulfide bond2 oxidoreductase
96c2cz2A_



not modelled 94.2 16 PDB header:isomerase, transferase
Chain: A: PDB Molecule:maleylacetoacetate isomerase;
PDBTitle: crystal structure of glutathione transferase zeta 1-12 (maleylacetoacetate isomerase) from mus musculus (form-1 crystal)
97c3gx8A_



not modelled 94.1 25 PDB header:electron transport
Chain: A: PDB Molecule:monothiol glutaredoxin-5, mitochondrial;
PDBTitle: structural and biochemical characterization of yeast2 monothiol glutaredoxin grx5
98d1pd212



not modelled 94.1 9 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
99d1okta2



not modelled 94.1 21 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
100c1byeA_



not modelled 94.0 13 PDB header:transferase
Chain: A: PDB Molecule:protein (glutathione s-transferase);
PDBTitle: glutathione s-transferase i from mais in complex with2 atrazine glutathione conjugate
101c1aw9A_



not modelled 93.8 15 PDB header:transferase
Chain: A: PDB Molecule:glutathione s-transferase iii;
PDBTitle: structure of glutathione s-transferase iii in apo form
102d1wjka_



not modelled 93.8 11 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Thioltransferase
103c1r5aA_



not modelled 93.7 22 PDB header:transferase
Chain: A: PDB Molecule:glutathione transferase;
PDBTitle: glutathione s-transferase
104c2x64A_



not modelled 93.6 16 PDB header:transferase
Chain: A: PDB Molecule:glutathione-s-transferase;
PDBTitle: glutathione-s-transferase from xylella fastidiosa
105c1u6tA_



not modelled 93.3 16 PDB header:protein binding, signaling protein
Chain: A: PDB Molecule:sh3 domain-binding glutamic acid-rich-like
PDBTitle: crystal structure of the human sh3 binding glutamic-rich2 protein like
106d1tw9a2



not modelled 93.1 6 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
107c3ergA_



not modelled 93.0 10 PDB header:transferase
Chain: A: PDB Molecule:glutathione s-transferase 2;
PDBTitle: crystal structure of gtt2 from saccharomyces cerevisiae in complex2 with glutathione sulfnate
108c2jadA_



not modelled 92.8 16 PDB header:electron transport
Chain: A: PDB Molecule:yellow fluorescent protein glutaredoxin fusion
PDBTitle: yellow fluorescent protein - glutaredoxin fusion protein
109c2on5E_



not modelled 92.6 12 PDB header:transferase
Chain: E: PDB Molecule:na glutathione s-transferase 2;
PDBTitle: structure of nagst-2
110c2on7A_



not modelled 92.5 9 PDB header:transferase
Chain: A: PDB Molecule:na glutathione s-transferase 1;
PDBTitle: structure of nagst-1
111d1tu7a2



not modelled 92.5 10 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
112c1k0nB_



not modelled 92.3 12 PDB header:metal transport
Chain: B: PDB Molecule:chloride intracellular channel protein 1;
PDBTitle: chloride intracellular channel 1 (clic1) complexed with glutathione
113d1n2aa2



not modelled 92.2 17 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
114c3m0fA_



not modelled 92.1 10 PDB header:transferase
Chain: A: PDB Molecule:uncharacterized protein gst_n;
PDBTitle: crystal structure of glutathione s transferase in complex2 with glutathione from pseudomonas fluorescens
115c3uarA_



not modelled 91.9 20 PDB header:transferase
Chain: A: PDB Molecule:glutathione s-transferase;
PDBTitle: crystal structure of glutathione transferase (target efi-501774) from2 methylococcus capsulatus str. bath with gsh bound
116d1k0ma2



not modelled 91.7 14 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain
117c2aheA_



not modelled 91.7 14 PDB header:metal transport
Chain: A: PDB Molecule:chloride intracellular channel protein 4;
PDBTitle: crystal structure of a soluble form of clic4. intercellular2 chloride ion channel
118c1yq1A_



not modelled 91.6 9 PDB header:transferase
Chain: A: PDB Molecule:glutathione s-transferase;
PDBTitle: structural genomics of caenorhabditis elegans: glutathione2 s-transferase
119c2r4vA_



not modelled 91.0 14 PDB header:transport protein
Chain: A: PDB Molecule:chloride intracellular channel protein 2;
PDBTitle: structure of human clic2, crystal form a
120d1f2ea2



not modelled 90.5 13 Fold:Thioredoxin fold
Superfamily:Thioredoxin-like
Family:Glutathione S-transferase (GST), N-terminal domain