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(-) Description

Title :  1.2 ANGSTROM CRYSTAL STRUCTURE OF THE GLUTAREDOXIN 2 (GRXB) FROM SALMONELLA TYPHIMURIUM IN COMPLEX WITH GLUTATHIONE
 
Authors :  G. Minasov, Z. Wawrzak, T. Skarina, O. Onopriyenko, S. N. Peterson, A. H Z. Dauter, W. F. Anderson, Center For Structural Genomics Of Inf Diseases (Csgid)
Date :  21 Aug 09  (Deposition) - 01 Sep 09  (Release) - 21 Dec 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.20
Chains :  Asym./Biol. Unit :  A
Keywords :  Glutaredoxin 2, Glutathione, Idp00895, Structural Genomics, Center For Structural Genomics Of Infectious Diseases, Csgid, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  G. Minasov, Z. Wawrzak, T. Skarina, O. Onopriyenko, S. N. Peterson, A. Halavaty, Z. Dauter, W. F. Anderson, Center For Structural Genomics Of Infectious Diseases (Csgid)
1. 2 Angstrom Crystal Structure Of The Glutaredoxin 2 (Grxb) From Salmonella Typhimurium In Complex With Glutathione.
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - GLUTAREDOXIN 2
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPMCSG7
    Expression System StrainBL21-DE3
    Expression System Taxid562
    Expression System Vector TypePLASMID
    GeneGRXB, STM1165
    Organism ScientificSALMONELLA ENTERICA SUBSP. ENTERICA SEROVAR TYPHIMURIUM
    Organism Taxid99287
    StrainLT2

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 12)

Asymmetric/Biological Unit (4, 12)
No.NameCountTypeFull Name
1CL1Ligand/IonCHLORIDE ION
2GSH1Ligand/IonGLUTATHIONE
3MSE7Mod. Amino AcidSELENOMETHIONINE
4SO43Ligand/IonSULFATE ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:6 , CYS A:9 , PHE A:11 , LYS A:46 , MSE A:47 , VAL A:48 , PRO A:49 , GLU A:61 , SER A:62 , LYS A:125 , HOH A:236 , HOH A:258 , HOH A:347 , HOH A:371 , HOH A:387 , HOH A:445 , HOH A:499 , HOH A:527 , HOH A:603 , HOH A:661 , HOH A:705BINDING SITE FOR RESIDUE GSH A 216
2AC2SOFTWARELYS A:14BINDING SITE FOR RESIDUE CL A 217
3AC3SOFTWARELYS A:53 , ASP A:55 , ARG A:57 , TYR A:68 , HOH A:314 , HOH A:579 , HOH A:622 , HOH A:672BINDING SITE FOR RESIDUE SO4 A 218
4AC4SOFTWAREARG A:152 , ASN A:162 , HIS A:189 , GLN A:204 , HOH A:240 , HOH A:249 , HOH A:414 , HOH A:418 , HOH A:489 , HOH A:589BINDING SITE FOR RESIDUE SO4 A 219
5AC5SOFTWAREARG A:82 , HIS A:174 , HOH A:352 , HOH A:442 , HOH A:606 , HOH A:694BINDING SITE FOR RESIDUE SO4 A 220

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3IR4)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Val A:48 -Pro A:49

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3IR4)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3IR4)

(-) Exons   (0, 0)

(no "Exon" information available for 3IR4)

(-) 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:218
 aligned with Q7CQR3_SALTY | Q7CQR3 from UniProtKB/TrEMBL  Length:215

    Alignment length:218
                               1                                                                                                                                                                                                                        
                               |     7        17        27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207        
         Q7CQR3_SALTY     - ---MKLYIYDHCPFCVKARMIFGLKNIPVELNVLQNDDEATPTRMIGQKMVPILQKDDSRYLPESMDIVHYVDNLDGKPLLTGKRNPAIEEWLRKVNGYVNQLLLPRFAKSAFDEFSTPAARQYFIRKKEASSGSFDNHLAHSAGLIKKIGDDLRLLDKLIVQPNAVNGELSEDDIHLFPLLRNLTLVAGIHWPTKVADYRDNMAKQTQINLLSSMAI 215
               SCOP domains d3ir4a1 A:-2-75 automated matches                                             d3ir4a2 A:76-215 automated matches                                                                                                           SCOP domains
               CATH domains ----------3ir4A01 A:8-85 Glutaredoxin                                                   ----3ir4A02 A:90-215  [code=1.20.1050.10, no name defined]                                                                         CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeee...hhhhhhhhhhhhhhh...eeee.....hhhhhhhhh.....eee.....eeehhhhhhhhhhhh..........hhhhhhhhhhhhh.hhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhh...hhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ir4 A  -2 SNAmKLYIYDHCPFCVKARmIFGLKNIPVELNVLQNDDEATPTRmIGQKmVPILQKDDSRYLPESmDIVHYVDNLDGKPLLTGKRNPAIEEWLRKVNGYVNQLLLPRFAKSAFDEFSTPAARQYFIRKKEASSGSFDNHLAHSAGLIKKIGDDLRLLDKLIVQPNAVNGELSEDDIHLFPLLRNLTLVAGIHWPTKVADYRDNmAKQTQINLLSSmAI 215
                               |     7        17        27        37    |   47        57     |  67        77        87        97       107       117       127       137       147       157       167       177       187       197   |   207     |  
                               |              17-MSE                   42-MSE|              63-MSE                                                                                                                                   201-MSE     213-MSE
                               1-MSE                                        47-MSE                                                                                                                                                                    

   Legend:   → Mismatch (orange background)
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  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, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3IR4)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (Q7CQR3_SALTY | Q7CQR3)
molecular function
    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:0015038    glutathione disulfide oxidoreductase activity    Catalysis of the reaction: 2 glutathione + electron acceptor = glutathione disulfide + electron donor.
    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:0015035    protein disulfide oxidoreductase activity    Catalysis of the reaction: a protein with reduced sulfide groups = a protein with oxidized disulfide bonds.
biological process
    GO:0045454    cell redox homeostasis    Any process that maintains the redox environment of a cell or compartment within a cell.
    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: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.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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