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(-) Description

Authors :  V. S. Stoll, S. J. Simpson, R. L. Krauth-Siegel, C. T. Walsh, E. F. Pai
Date :  12 Feb 97  (Deposition) - 12 Aug 97  (Release) - 13 Jul 11  (Revision)
Resolution :  2.70
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Oxidoreductase, Flavoenzyme (Keyword Search: [Gene Ontology, PubMed, Web (Google))
Reference :  V. S. Stoll, S. J. Simpson, R. L. Krauth-Siegel, C. T. Walsh, E. F. Pai
Glutathione Reductase Turned Into Trypanothione Reductase: Structural Analysis Of An Engineered Change In Substrate Specificity.
Biochemistry V. 36 6437 1997
PubMed-ID: 9174360  |  Reference-DOI: 10.1021/BI963074P
(for further references see the PDB file header)

(-) Compounds

    EC Number1.6.4.2
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPUB302
    Expression System Taxid562
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606

 Structural Features

(-) Chains, Units

Asymmetric Unit A
Biological Unit 1 (2x)A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 2)

Asymmetric Unit (2, 2)
No.NameCountTypeFull Name
Biological Unit 1 (2, 4)
No.NameCountTypeFull Name

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
1AC1SOFTWAREILE A:26 , GLY A:27 , GLY A:29 , SER A:30 , GLY A:31 , GLU A:50 , SER A:51 , HIS A:52 , LYS A:53 , GLY A:56 , THR A:57 , CYS A:58 , VAL A:61 , GLY A:62 , CYS A:63 , LYS A:66 , GLY A:128 , HIS A:129 , ALA A:130 , ALA A:155 , THR A:156 , GLY A:157 , TYR A:197 , ARG A:291 , GLY A:330 , ASP A:331 , LEU A:337 , LEU A:338 , THR A:339 , PRO A:340 , ALA A:342 , HIS A:467 , PRO A:468BINDING SITE FOR RESIDUE FAD A 479
2AC2SOFTWARESER A:30 , GLU A:34 , TRP A:37 , VAL A:59 , VAL A:64 , TYR A:106 , LEU A:110 , ILE A:113 , TYR A:114 , ASN A:117 , ILE A:343 , PHE A:403 , MET A:406 , HIS A:467 , THR A:469 , GLU A:472 , GLU A:473 , THR A:476BINDING SITE FOR RESIDUE GDS A 481

(-) SS Bonds  (2, 2)

Asymmetric Unit
1A:58 -A:63
2A:90 -A:90

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
1His A:374 -Pro A:375
2His A:467 -Pro A:468

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (6, 6)

Asymmetric Unit (6, 6)
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (6, 12)
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant

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

(-) PROSITE Motifs  (1, 1)

Asymmetric Unit (1, 1)
1PYRIDINE_REDOX_1PS00076 Pyridine nucleotide-disulphide oxidoreductases class-I active site.GSHR_HUMAN99-109  1A:55-65
Biological Unit 1 (1, 2)
1PYRIDINE_REDOX_1PS00076 Pyridine nucleotide-disulphide oxidoreductases class-I active site.GSHR_HUMAN99-109  2A:55-65

(-) Exons   (13, 13)

Asymmetric Unit (13, 13)
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength

(-) Sequences/Alignments

Asymmetric 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:461
 aligned with GSHR_HUMAN | P00390 from UniProtKB/Swiss-Prot  Length:522

    Alignment length:461
                                    71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511       521 
               SCOP domains d2grta1 A:18-165,A:291-363 Glutathione reductase                                                                                                    d2grta2 A:166-290 Glutathione reductase                                                                                      d2grta1 A:18-165,A:291-363 Glutathione reductase                         d2grta3 A:364-478 Glutathione reductase                                                                             SCOP domains
               CATH domains 2grtA01 A:18-160,A:290-365  [code=, no name defined]                                                                                 2grtA02 A:161-289  [code=, no name defined]                                                                            2grtA01 A:18-160,A:290-365  [code=, no name defined]              2grtA03 A:366-478  [code=3.30.390.30, no name defined]                                                            CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeeee.hhhhhhhhhhhhhhh.eeeeee.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhh.eeeee..eee.....eeee..eeee..eeeee.eeeee.......ehhhhhe.hhhhhhh....eeeeeee.hhhhhhhhhhhhhh..eeeeee.........hhhhhhhhhhhhhhhh.eeeeeeeeeeeeee..eeeeeeeee......eeeeeeeeeeeeee.eeeee....hhhhhh.eee..eeee....eeeee.eeeeehhhhh...hhhhhhhhhhhhhhhhh..............eee....eeeeeeehhhhhhhhhh..eeeeeeeee.hhhhh.......eeeeeeeee..eeeeeeeeee......hhhhhhhhhh..hhhhhhh.......hhhhhhh.. Sec.struct. author
             SAPs(SNPs) (1) -------------------------------------------------------------------------------------------C------------------------------------------------------------------------------R----------------------------V-----------------------------------D----------------H---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------S-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
                    PROSITE -------------------------------------PYRIDINE_RE----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
           Transcript 1 (1) Exon 1.1a  PDB: A:18-58 UniProt: 1-102   Exon 1.3 Exon 1.4  PDB: A:68-97        -----------------------Exon 1.6  PDB: A:121-170 UniProt: 165-214         -----------------Exon 1.8b  PDB: A:188-221         Exon 1.9  PDB: A:222-250     Exon 1.10b  PDB: A:251-303 UniProt: 295-347          Exon 1.11  PDB: A:304-341             -------------------------------------------Exon 1.13  PDB: A:385-429 UniProt: 429-473   Exon 1.14b  PDB: A:430-478 UniProt: 474-522       Transcript 1 (1)
           Transcript 1 (2) -------------------------------------------------------------------------------Exon 1.5  PDB: A:97-120 -------------------------------------------------Exon 1.7           --------------------------------------------------------------------------------------------------------------------------------------------------------Exon 1.12b  PDB: A:341-385 UniProt: 385-429  --------------------------------------------------------------------------------------------- Transcript 1 (2)
                                    27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327       337       347       357       367       377       387       397       407       417       427       437       447       457       467       477 

   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, 3)

Asymmetric Unit

(-) CATH Domains  (2, 3)

Asymmetric Unit
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2GRT)

(-) Gene Ontology  (18, 18)

Asymmetric Unit(hide GO term definitions)
Chain A   (GSHR_HUMAN | P00390)
molecular function
    GO:0050661    NADP binding    Interacting selectively and non-covalently with nicotinamide-adenine dinucleotide phosphate, a coenzyme involved in many redox and biosynthetic reactions; binding may be to either the oxidized form, NADP+, or the reduced form, NADPH.
    GO:0009055    electron carrier activity    Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    GO:0050660    flavin adenine dinucleotide binding    Interacting selectively and non-covalently with FAD, flavin-adenine dinucleotide, the coenzyme or the prosthetic group of various flavoprotein oxidoreductase enzymes, in either the oxidized form, FAD, or the reduced form, FADH2.
    GO:0004362    glutathione-disulfide reductase activity    Catalysis of the reaction: 2 glutathione + NADP+ = glutathione disulfide + NADPH + H+.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
    GO:0016668    oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor    Catalysis of an oxidation-reduction (redox) reaction in which a sulfur-containing group acts as a hydrogen or electron donor and reduces NAD or NADP.
biological process
    GO:0045454    cell redox homeostasis    Any process that maintains the redox environment of a cell or compartment within a cell.
    GO:0098869    cellular oxidant detoxification    Any process carried out at the cellular level that reduces or removes the toxicity superoxide radicals or hydrogen peroxide.
    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:0015949    nucleobase-containing small molecule interconversion    The chemical reactions and pathways by which a nucleobase, nucleoside or nucleotide small molecule is synthesized from another nucleobase, nucleoside or nucleotide small molecule.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
    GO:0000302    response to reactive oxygen species    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a reactive oxygen species stimulus. Reactive oxygen species include singlet oxygen, superoxide, and oxygen free radicals.
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:0009897    external side of plasma membrane    The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
    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.
    GO:0005759    mitochondrial matrix    The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.
    GO:0005739    mitochondrion    A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.


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 Related Entries

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

        GSHR_HUMAN | P003901alg 1bwc 1dnc 1gra 1grb 1gre 1grf 1grg 1grh 1grt 1gsn 1k4q 1xan 2aaq 2gh5 3djg 3djj 3dk4 3dk8 3dk9 3grs 3grt 3sqp 4gr1 4grt 5grt

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 2GRT)