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(-) Description

Title :  STAPHYLOCOCCUS AUREUS PI258 ARSENATE REDUCTASE (ARSC) H62Q MUTANT
 
Authors :  L. Buts, G. Roos, K. Van Belle, E. Brosens, R. Loris, L. Wyns, J. Messens
Date :  23 Jan 06  (Deposition) - 28 Jun 06  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.50
Chains :  Asym./Biol. Unit :  A
Keywords :  Oxidoreductase, Detoxification, Ptpase I Fold, Arsenical Resistance, Hydrolase, Redox-Active Center (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  G. Roos, L. Buts, K. Van Belle, E. Brosens, P. Geerlings, R. Loris, L. Wyns, J. Messens
Interplay Between Ion Binding And Catalysis In The Thioredoxin-Coupled Arsenate Reductase Family.
J. Mol. Biol. V. 360 826 2006
PubMed-ID: 16797027  |  Reference-DOI: 10.1016/J.JMB.2006.05.054

(-) Compounds

Molecule 1 - PROTEIN ARSC
    ChainsA
    EC Number1.97.1.5
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET11A
    Expression System StrainBL21
    Expression System Taxid511693
    Expression System Vector TypePLASMID
    MutationYES
    Organism ScientificSTAPHYLOCOCCUS AUREUS
    Organism Taxid1280
    Other DetailsREDUCED
    SynonymARSENATE REDUCTASE, ARSENICAL PUMP MODIFIER, LOW MOLECULAR WEIGHT PROTEIN-TYROSINE-PHOSPHATASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1NA1Ligand/IonSODIUM ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASN A:13 , SER A:36 , THR A:63 , ASP A:65 , HOH A:2030BINDING SITE FOR RESIDUE NA A1132

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2CD7)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2CD7)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (12, 12)

Asymmetric/Biological Unit (12, 12)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
01UniProtVAR_ARSC_STAAU_001 *D2TARSC_STAAU  ---  ---AD2T
02UniProtVAR_ARSC_STAAU_002 *D56GARSC_STAAU  ---  ---AD56G
03UniProtVAR_ARSC_STAAU_003 *D65NARSC_STAAU  ---  ---AD65N
04UniProtVAR_ARSC_STAAU_004 *N87VARSC_STAAU  ---  ---AN87V
05UniProtVAR_ARSC_STAAU_005 *I91SARSC_STAAU  ---  ---AI91S
06UniProtVAR_ARSC_STAAU_006 *I91TARSC_STAAU  ---  ---AI91T
07UniProtVAR_ARSC_STAAU_007 *P94TARSC_STAAU  ---  ---AP94T
08UniProtVAR_ARSC_STAAU_008 *E110PARSC_STAAU  ---  ---AE110P
09UniProtVAR_ARSC_STAAU_009 *L123IARSC_STAAU  ---  ---AL123I
10UniProtVAR_ARSC_STAAU_010 *L123VARSC_STAAU  ---  ---AL123V
11UniProtVAR_ARSC_STAAU_011 *K127NARSC_STAAU  ---  ---AK127N
12UniProtVAR_ARSC_STAAU_012 *L130SARSC_STAAU  ---  ---AL130S
   * ID not provided by source

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2CD7)

(-) Exons   (0, 0)

(no "Exon" information available for 2CD7)

(-) 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:131
 aligned with ARSC_STAAU | P0A006 from UniProtKB/Swiss-Prot  Length:131

    Alignment length:131
                                    10        20        30        40        50        60        70        80        90       100       110       120       130 
           ARSC_STAAU     1 MDKKTIYFICTGNSCRSQMAEGWGKEILGEGWNVYSAGIETHGVNPKAIEAMKEVDIDISNHTSDLIDNDILKQSDLVVTLCSDADNNCPILPPNVKKEHWGFDDPAGKEWSEFQRVRDEIKLAIEKFKLR 131
               SCOP domains d2cd7a_ A: automated matches                                                                                                        SCOP domains
               CATH domains 2cd7A00 A:1-131  [code=3.40.50.270, no name defined]                                                                                CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeee....hhhhhhhhhhhhhh...eeeeeee......hhhhhhhhhhh............hhhhhhhh.eeee.hhhhhhh.........eee.........hhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
             SAPs(SNPs) (1) -T-----------------------------------------------------G--------N---------------------V---S--T---------------P------------I---N--S- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ------------------------------------------------------------------------------------------T-------------------------------V-------- SAPs(SNPs) (2)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2cd7 A   1 MDKKTIYFICTGNSCRSQMAEGWGKEILGEGWNVYSAGIETHGVNPKAIEAMKEVDIDISNQTSDLIDNDILKQSDLVVTLCSDADNNCPILPPNVKKEHWGFDDPAGKEWSEFQRVRDEIKLAIEKFKLR 131
                                    10        20        30        40        50        60        70        80        90       100       110       120       130 

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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  (1, 1)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2CD7)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (ARSC_STAAU | P0A006)
molecular function
    GO:0030612    arsenate reductase (thioredoxin) activity    Catalysis of the reaction: arsenate + thioredoxin = arsenite + thioredoxin disulfide. Thioredoxin disulfide is also known as oxidized thioredoxin.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    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:0004725    protein tyrosine phosphatase activity    Catalysis of the reaction: protein tyrosine phosphate + H2O = protein tyrosine + phosphate.
biological process
    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:0035335    peptidyl-tyrosine dephosphorylation    The removal of phosphoric residues from peptidyl-O-phospho-tyrosine to form peptidyl-tyrosine.
    GO:0046685    response to arsenic-containing substance    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 an arsenic stimulus from compounds containing arsenic, including arsenates, arsenites, and arsenides.
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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 Related Entries

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

UniProtKB/Swiss-Prot
        ARSC_STAAU | P0A0061jf8 1jfv 1ljl 1lju 1lk0 1rxe 1rxi 2fxi

(-) Related Entries Specified in the PDB File

1jf8 X-RAY STRUCTURE OF REDUCED C10S, C15A ARSENATE REDUCTASEFROM PI258
1jfv X-RAY STRUCTURE OF OXIDISED C10S, C15A ARSENATE REDUCTASEFROM PI258
1ljl WILD TYPE PI258 S. AUREUS ARSENATE REDUCTASE
1lju X-RAY STRUCTURE OF C15A ARSENATE REDUCTASE FROM PI258COMPLEXED WITH ARSENITE
1lk0 DISULFIDE INTERMEDIATE OF C89L ARSENATE REDUCTASE FROM PI258
1rxe ARSC COMPLEXED WITH MNB
1rxi PI258 ARSENATE REDUCTASE (ARSC) TRIPLE MUTANT C10S/C15A/C82S