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Title :   CRYSTAL STRUCTURE OF HGSTA3-3 IN COMPLEX WITH GLUTATHIONE

Authors :   Y. Gu, J. Guo, A. Pal, S. S. Pan, P. Zimniak, S. V. Singh, X. Ji

Date :   22 May 04 (Deposition) - 18 Jan 05 (Release) - 17 Sep 14 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.40

Chains :   Asym./Biol. Unit : A,B

Keywords :   Gst, Hgsta3-3, Steroid Isomerase, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   Y. Gu, J. Guo, A. Pal, S. S. Pan, P. Zimniak, S. V. Singh, X. Ji
Crystal Structure Of Human Glutathione S-Transferase A3-3 And Mechanistic Implications For Its High Steroid Isomerase Activity.
Biochemistry V. 43 15673 2004
PubMed-ID: 15595823 | Reference-DOI: 10.1021/BI048757G

Molecule 1 - GLUTATHIONE S-TRANSFERASE A3-3
	Chains	:	A, B
	EC Number	:	2.5.1.18
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI BL21(DE3)
	Expression System Plasmid	:	PET11A
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	469008
	Expression System Vector Type	:	PLASMID
	Gene	:	GSTA3
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606
	Synonym	:	GST CLASS-ALPHA, HGSTA3-3

		1	2
Asymmetric/Biological Unit	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (1, 2)

No.	Name	Count	Type	Full Name
1	GSH	2	Ligand/Ion	GLUTATHIONE

Asymmetric Unit (2, 2)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	TYR A:9 , ARG A:45 , GLN A:54 , VAL A:55 , PRO A:56 , GLN A:67 , THR A:68 , HOH A:376 , ASP B:101 , ARG B:131 , HOH B:307	BINDING SITE FOR RESIDUE GSH A 223
2	AC2	SOFTWARE	ASP A:101 , ARG A:131 , HOH A:365 , TYR B:9 , ARG B:45 , GLN B:54 , VAL B:55 , PRO B:56 , GLN B:67 , THR B:68 , HOH B:317 , HOH B:318	BINDING SITE FOR RESIDUE GSH B 224

(no "SS Bond" information available for 1TDI)

Asymmetric/Biological Unit

No.	Residues
1	Val A:55	-	Pro A:56
2	Val B:55	-	Pro B:56

Asymmetric/Biological Unit (5, 10)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_062276	G	36	E	GSTA3_HUMAN	Polymorphism	45504096	A/B	G	36	E
2	UniProt	VAR_049484	I	71	L	GSTA3_HUMAN	Polymorphism	1052661	A/B	I	71	L
3	UniProt	VAR_049485	N	73	D	GSTA3_HUMAN	Polymorphism	41273858	A/B	N	73	D
4	UniProt	VAR_062277	R	113	Q	GSTA3_HUMAN	Polymorphism	45602042	A/B	R	113	Q
5	UniProt	VAR_062278	A	208	T	GSTA3_HUMAN	Polymorphism	45620832	A/B	A	208	T

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Asymmetric/Biological Unit (1, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	GST_CTER	PS50405	Soluble glutathione S-transferase C-terminal domain profile.	GSTA3_HUMAN	85-207	2	A:85-207 B:85-207

Asymmetric/Biological Unit (6, 12)

	ENSEMBL					UniProtKB			PDB
No.	Transcript ID	Exon	Exon ID	Genome Location	Length	ID	Location	Length	Count	Location	Length
1.1a	ENST00000211122	1a	ENSE00001137820	chr6:52774483-52774439	45	GSTA3_HUMAN	-	0	0	-	-
1.2a	ENST00000211122	2a	ENSE00002201704	chr6:52770653-52770546	108	GSTA3_HUMAN	1-29	29	2	A:4-29 B:4-29	26 26
1.3	ENST00000211122	3	ENSE00002169186	chr6:52768525-52768474	52	GSTA3_HUMAN	30-47	18	2	A:30-47 B:30-47	18 18
1.4	ENST00000211122	4	ENSE00002190781	chr6:52767276-52767144	133	GSTA3_HUMAN	47-91	45	2	A:47-91 B:47-91	45 45
1.5b	ENST00000211122	5b	ENSE00002198784	chr6:52764873-52764732	142	GSTA3_HUMAN	91-138	48	2	A:91-138 B:91-138	48 48
1.6a	ENST00000211122	6a	ENSE00002199492	chr6:52762754-52762623	132	GSTA3_HUMAN	139-182	44	2	A:139-182 B:139-182	44 44
1.7	ENST00000211122	7	ENSE00002171449	chr6:52761726-52761437	290	GSTA3_HUMAN	183-222	40	2	A:183-221 B:183-221	39 39

Asymmetric/Biological Unit

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
	Number of residues per labelling interval =
	UniProt sequence: complete aligned part

Show mapping:	SCOP domains	CATH domains	Pfam domains	Secondary structure (by author)
	SAPs(SNPs)	PROSITE motifs	Exons
	(details for a mapped element are shown in a popup box when the mouse pointer rests over it)

Chain A from PDB  Type:PROTEIN  Length:218
 aligned with GSTA3_HUMAN | Q16772 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:218
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213        
          GSTA3_HUMAN     4 KPKLHYFNGRGRMEPIRWLLAAAGVEFEEKFIGSAEDLGKLRNDGSLMFQQVPMVEIDGMKLVQTRAILNYIASKYNLYGKDIKERALIDMYTEGMADLNEMILLLPLCRPEEKDAKIALIKEKTKSRYFPAFEKVLQSHGQDYLVGNKLSRADISLVELLYYVEELDSSLISNFPLLKALKTRISNLPTVKKFLQPGSPRKPPADAKALEEARKIFR 221
               SCOP domains d1tdia1 A:4-80 automated matches                                             d1tdia2 A:81-221 automated matches                                                                                                            SCOP domains
               CATH domains 1tdiA01 A:4-81,A:191-221 Glutaredoxin                                         1tdiA02 A:82-190  [code=1.20.1050.10, no name defined]                                                       1tdiA01 A:4-81,A:191-221        CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee......hhhhhhhhhhh....eeee..hhhhhhhhhhh.........eeee..eeeehhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------E----------------------------------L-D---------------------------------------Q----------------------------------------------------------------------------------------------T------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------GST_CTER  PDB: A:85-207 UniProt: 85-207                                                                                    -------------- PROSITE
           Transcript 1 (1) Exon 1.2a  PDB: A:4-29    Exon 1.3          -------------------------------------------Exon 1.5b  PDB: A:91-138 UniProt: 91-138        Exon 1.6a  PDB: A:139-182 UniProt: 139-182  Exon 1.7  PDB: A:183-221 [INCOMPLETE]   Transcript 1 (1)
           Transcript 1 (2) -------------------------------------------Exon 1.4  PDB: A:47-91 UniProt: 47-91        ---------------------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 1tdi A   4 KPKLHYFNGRGRMEPIRWLLAAAGVEFEEKFIGSAEDLGKLRNDGSLMFQQVPMVEIDGMKLVQTRAILNYIASKYNLYGKDIKERALIDMYTEGMADLNEMILLLPLCRPEEKDAKIALIKEKTKSRYFPAFEKVLQSHGQDYLVGNKLSRADISLVELLYYVEELDSSLISNFPLLKALKTRISNLPTVKKFLQPGSPRKPPADAKALEEARKIFR 221
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213

Chain B from PDB  Type:PROTEIN  Length:218
 aligned with GSTA3_HUMAN | Q16772 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:218
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213        
          GSTA3_HUMAN     4 KPKLHYFNGRGRMEPIRWLLAAAGVEFEEKFIGSAEDLGKLRNDGSLMFQQVPMVEIDGMKLVQTRAILNYIASKYNLYGKDIKERALIDMYTEGMADLNEMILLLPLCRPEEKDAKIALIKEKTKSRYFPAFEKVLQSHGQDYLVGNKLSRADISLVELLYYVEELDSSLISNFPLLKALKTRISNLPTVKKFLQPGSPRKPPADAKALEEARKIFR 221
               SCOP domains d1tdib1 B:4-80 automated matches                                             d1tdib2 B:81-221 automated matches                                                                                                            SCOP domains
               CATH domains 1tdiB01 B:4-81,B:191-221 Glutaredoxin                                         1tdiB02 B:82-190  [code=1.20.1050.10, no name defined]                                                       1tdiB01 B:4-81,B:191-221        CATH domains
           Pfam domains (1) -GST_N-1tdiB03 B:5-77                                                     ---------------------GST_C-1tdiB01 B:99-192                                                                        ----------------------------- Pfam domains (1)
           Pfam domains (2) -GST_N-1tdiB04 B:5-77                                                     ---------------------GST_C-1tdiB02 B:99-192                                                                        ----------------------------- Pfam domains (2)
         Sec.struct. author ..eeee......hhhhhhhhhhhh...eeee..hhhhhhhhhhh.........eeee..eeeehhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------E----------------------------------L-D---------------------------------------Q----------------------------------------------------------------------------------------------T------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------GST_CTER  PDB: B:85-207 UniProt: 85-207                                                                                    -------------- PROSITE
           Transcript 1 (1) Exon 1.2a  PDB: B:4-29    Exon 1.3          -------------------------------------------Exon 1.5b  PDB: B:91-138 UniProt: 91-138        Exon 1.6a  PDB: B:139-182 UniProt: 139-182  Exon 1.7  PDB: B:183-221 [INCOMPLETE]   Transcript 1 (1)
           Transcript 1 (2) -------------------------------------------Exon 1.4  PDB: B:47-91 UniProt: 47-91        ---------------------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 1tdi B   4 KPKLHYFNGRGRMEPIRWLLAAAGVEFEEKFIGSAEDLGKLRNDGSLMFQQVPMVEIDGMKLVQTRAILNYIASKYNLYGKDIKERALIDMYTEGMADLNEMILLLPLCRPEEKDAKIALIKEKTKSRYFPAFEKVLQSHGQDYLVGNKLSRADISLVELLYYVEELDSSLISNFPLLKALKTRISNLPTVKKFLQPGSPRKPPADAKALEEARKIFR 221
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213

Legend:		→ Mismatch	(orange background)
	-	→ Gap	(green background, '-', border residues have a numbering label)
		→ Modified Residue	(blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
	x	→ Chemical Group	(purple background, 'x', labelled with number + name, e.g. ACE or NH2)
	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

Asymmetric/Biological Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All alpha proteins (14657)

Fold: GST C-terminal domain-like (353)

Superfamily: GST C-terminal domain-like (353)

Family: Glutathione S-transferase (GST), C-terminal domain (263)

Protein domain: automated matches (50)

Human (Homo sapiens) [TaxId: 9606] (35)

1a	d1tdia2	A:81-221
1b	d1tdib2	B:81-221

Class: Alpha and beta proteins (a/b) (23833)

Fold: Thioredoxin fold (994)

Superfamily: Thioredoxin-like (992)

Family: automated matches (347)

Protein domain: automated matches (347)

Human (Homo sapiens) [TaxId: 9606] (87)

2a	d1tdia1	A:4-80
2b	d1tdib1	B:4-80

Asymmetric/Biological Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: 3-Layer(aba) Sandwich (12045)

Topology: Glutaredoxin (620)

Homologous Superfamily: Glutaredoxin (617)

Human (Homo sapiens) (186)

1a	1tdiA01	A:4-81,A:191-221
1b	1tdiB01	B:4-81,B:191-221

Class: Mainly Alpha (13335)

Architecture: Up-down Bundle (3216)

Topology: Glutathione S-transferase Yfyf (Class Pi); Chain A, domain 2 (267)

Homologous Superfamily: [code=1.20.1050.10, no name defined] (249)

Human (Homo sapiens) (119)

2a	1tdiA02	A:82-190
2b	1tdiB02	B:82-190

Asymmetric/Biological Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: GST_C (118)

Family: GST_C (102)

Homo sapiens (Human) (47)

1a	GST_C-1tdiB01	B:99-192
1b	GST_C-1tdiB02	B:99-192

Clan: Thioredoxin (367)

Family: GST_N (88)

Homo sapiens (Human) (45)

2a	GST_N-1tdiB03	B:5-77
2b	GST_N-1tdiB04	B:5-77

Asymmetric/Biological Unit(hide GO term definitions)

Chain A,B (GSTA3_HUMAN | Q16772)

molecular function
	GO:0004364	glutathione transferase activity	Catalysis of the reaction: R-X + glutathione = H-X + R-S-glutathione. R may be an aliphatic, aromatic or heterocyclic group; X may be a sulfate, nitrile or halide group.
	GO:0016740	transferase activity	Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
	GO:1901687	glutathione derivative biosynthetic process	The chemical reactions and pathways resulting in the formation of glutathione derivative.
	GO:0006749	glutathione metabolic process	The chemical reactions and pathways involving glutathione, the tripeptide glutamylcysteinylglycine, which acts as a coenzyme for some enzymes and as an antioxidant in the protection of sulfhydryl groups in enzymes and other proteins; it has a specific role in the reduction of hydrogen peroxide (H2O2) and oxidized ascorbate, and it participates in the gamma-glutamyl cycle.
	GO:0008152	metabolic process	The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
	GO:0005829	cytosol	The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
	GO:0070062	extracellular exosome	A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.

Asymmetric/Biological Unit
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	Cis Peptide Bonds
		Val A:55 - Pro A:56	[ RasMol ]
		Val B:55 - Pro B:56	[ RasMol ]

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	GSTA3_HUMAN \| Q16772	:	2vcv

1gse	CRYSTAL STRUCTURE OF HGSTA1-1 IN COMPLEX WITH A GLUTATHIONE CONJUGATE OF ETHACRYNIC ACID
1guh	CRYSTAL STRUCTURE OF HGSTA1-1 IN COMPLEX WITH S- BENZYLGLUTATHIONE

Description

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Ligands, Modified Residues, Ions (1, 2)

Sites (2, 2)

SS Bonds (0, 0)

Cis Peptide Bonds (2, 2)

Sequence-Structure Mapping

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