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(-) Description

Title :  CRYSTAL STRUCTURE ANALYSIS OF L23A MUTANT OF HUMAN GST A1-1
 
Authors :  S. Fanucchi, I. A. Achilonu, T. N. Khoza, M. A. Fernandes, S. Gildenhuys
Date :  13 Oct 11  (Deposition) - 26 Oct 11  (Release) - 26 Oct 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Glutathione Transferase, Thioredoxin, Conserved Residues, Hydrophobic Core, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  T. N. Khoza, S. Fanucchi, I. A. Achilonu, M. A. Fernandes, H. W. Dirr
Crystal Structure Analysis Of L23A Mutant Of Human Gst A1-1
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - GLUTATHIONE S-TRANSFERASE A1
    ChainsA, B
    EC Number2.5.1.18
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPKHA1
    Expression System StrainBL21(DE3)
    Expression System Taxid562
    Expression System Vector TypePLASMID
    GeneGSTA1
    MutationYES
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymGST HA SUBUNIT 1, GST CLASS-ALPHA MEMBER 1, GST-EPSILON, GSTA1-1, GTH1

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 3U6V)

(-) Sites  (0, 0)

(no "Site" information available for 3U6V)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3U6V)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Val A:55 -Pro A:56
2Val B:55 -Pro B:56

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (3, 6)

Asymmetric/Biological Unit (3, 6)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_033978T19IGSTA1_HUMANPolymorphism1051578A/BT19I
2UniProtVAR_049482P113QGSTA1_HUMANPolymorphism1051745A/BP113Q
3UniProtVAR_049483K117QGSTA1_HUMANPolymorphism1051757A/BK117Q

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

(-) PROSITE Motifs  (2, 3)

Asymmetric/Biological Unit (2, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GST_NTERPS50404 Soluble glutathione S-transferase N-terminal domain profile.GSTA1_HUMAN3-83  1A:3-83
2GST_CTERPS50405 Soluble glutathione S-transferase C-terminal domain profile.GSTA1_HUMAN85-207
 
  2A:85-207
B:85-207

(-) Exons   (6, 12)

Asymmetric/Biological Unit (6, 12)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1aENST000003345751aENSE00002201258chr6:52668708-52668583126GSTA1_HUMAN-00--
1.2ENST000003345752ENSE00002162073chr6:52664095-52663979117GSTA1_HUMAN1-29292A:2-29
B:4-29
28
26
1.3ENST000003345753ENSE00002190926chr6:52662435-5266238452GSTA1_HUMAN30-47182A:30-47
B:30-47
18
18
1.4ENST000003345754ENSE00002186617chr6:52661112-52660980133GSTA1_HUMAN47-91452A:47-91
B:47-91
45
45
1.5bENST000003345755bENSE00002141355chr6:52659064-52658923142GSTA1_HUMAN91-138482A:91-138
B:91-138
48
48
1.6ENST000003345756ENSE00002159902chr6:52657785-52657654132GSTA1_HUMAN139-182442A:139-182
B:139-182
44
44
1.7ENST000003345757ENSE00002170665chr6:52656778-52656462317GSTA1_HUMAN183-222402A:183-208
B:183-210
26
28

(-) Sequences/Alignments

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:207
 aligned with GSTA1_HUMAN | P08263 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:207
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       
          GSTA1_HUMAN     2 AEKPKLHYFNARGRMESTRWLLAAAGVEFEEKFIKSAEDLDKLRNDGYLMFQQVPMVEIDGMKLVQTRAILNYIASKYNLYGKDIKERALIDMYIEGIADLGEMILLLPVCPPEEKDAKLALIKEKIKNRYFPAFEKVLKSHGQDYLVGNKLSRADIHLVELLYYVEELDSSLISSFPLLKALKTRISNLPTVKKFLQPGSPRKPPM 208
               SCOP domains d3u6va1 A:2-80 Class alpha GST                                                 d3u6va2 A:81-208 Class alpha GST                                                                                                 SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeee.....hhhhhhhhhhhh...eeeee.hhhhhhhhhhhh........eeee..eeeehhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhh......... Sec.struct. author
                 SAPs(SNPs) -----------------I---------------------------------------------------------------------------------------------Q---Q------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -GST_NTER  PDB: A:3-83 UniProt: 3-83                                              -GST_CTER  PDB: A:85-207 UniProt: 85-207                                                                                    - PROSITE
           Transcript 1 (1) Exon 1.2  PDB: A:2-29       Exon 1.3          -------------------------------------------Exon 1.5b  PDB: A:91-138 UniProt: 91-138        Exon 1.6  PDB: A:139-182 UniProt: 139-182   Exon 1.7  PDB: A:183-208   Transcript 1 (1)
           Transcript 1 (2) ---------------------------------------------Exon 1.4  PDB: A:47-91 UniProt: 47-91        --------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 3u6v A   2 AEKPKLHYFNARGRMESTRWLAAAAGVEFEEKFIKSAEDLDKLRNDGYLMFQQVPMVEIDGMKLVQTRAILNYIASKYNLYGKDIKERALIDMYIEGIADLGEMILLLPVCPPEEKDAKLALIKEKIKNRYFPAFEKVLKSHGQDYLVGNKLSRADIHLVELLYYVEELDSSLISSFPLLKALKTRISNLPTVKKFLQPGSPRKPPM 208
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       

Chain B from PDB  Type:PROTEIN  Length:207
 aligned with GSTA1_HUMAN | P08263 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:207
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       
          GSTA1_HUMAN     4 KPKLHYFNARGRMESTRWLLAAAGVEFEEKFIKSAEDLDKLRNDGYLMFQQVPMVEIDGMKLVQTRAILNYIASKYNLYGKDIKERALIDMYIEGIADLGEMILLLPVCPPEEKDAKLALIKEKIKNRYFPAFEKVLKSHGQDYLVGNKLSRADIHLVELLYYVEELDSSLISSFPLLKALKTRISNLPTVKKFLQPGSPRKPPMDE 210
               SCOP domains d3u6vb1 B:4-80 Class alpha GST                                               d3u6vb2 B:81-210 Class alpha GST                                                                                                   SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeee.....hhhhhhhhhhh....eeeee.hhhhhhhhhhh.........eeee..eeeehhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhh........... Sec.struct. author
                 SAPs(SNPs) ---------------I---------------------------------------------------------------------------------------------Q---Q--------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE GST_NTER  PDB: - UniProt: 3-83                                                  -GST_CTER  PDB: B:85-207 UniProt: 85-207                                                                                    --- PROSITE
           Transcript 1 (1) Exon 1.2  PDB: B:4-29     Exon 1.3          -------------------------------------------Exon 1.5b  PDB: B:91-138 UniProt: 91-138        Exon 1.6  PDB: B:139-182 UniProt: 139-182   Exon 1.7  PDB: B:183-210     Transcript 1 (1)
           Transcript 1 (2) -------------------------------------------Exon 1.4  PDB: B:47-91 UniProt: 47-91        ----------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 3u6v B   4 KPKLHYFNARGRMESTRWLAAAAGVEFEEKFIKSAEDLDKLRNDGYLMFQQVPMVEIDGMKLVQTRAILNYIASKYNLYGKDIKERALIDMYIEGIADLGEMILLLPVCPPEEKDAKLALIKEKIKNRYFPAFEKVLKSHGQDYLVGNKLSRADIHLVELLYYVEELDSSLISSFPLLKALKTRISNLPTVKKFLQPGSPRKPPMDE 210
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       

   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 '|'

 Classification and Annotation

(-) SCOP Domains  (2, 4)

Asymmetric/Biological Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3U6V)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3U6V)

(-) Gene Ontology  (9, 9)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (GSTA1_HUMAN | P08263)
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:0030855    epithelial cell differentiation    The process in which a relatively unspecialized cell acquires specialized features of an epithelial cell, any of the cells making up an epithelium.
    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.

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    Val A:55 - Pro A:56   [ RasMol ]  
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        GSTA1_HUMAN | P082631gsd 1gse 1gsf 1guh 1k3l 1k3o 1k3y 1lbk 1pkw 1pkz 1pl1 1pl2 1usb 1xwg 1ydk 2r3x 2r6k 3i69 3i6a 3ik9 3ktl 3l0h 3q74 3zfb 3zfl 4hj2 5jcu 5lcz 5ld0

(-) Related Entries Specified in the PDB File

3q74 L7A MUTATION OF GSTA1-1