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(-) Description

Title :  CRYSTAL STRUCTURE OF SUPEROXIDE DISMUTASE FROM P. ATROSANGUINA
 
Authors :  Y. Manickam, J. Gill, P. C. Mishra, A. Sharma
Date :  29 May 07  (Deposition) - 25 Mar 08  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.37
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Sod; Sad; Antioxidant; Oxidoreductase; Metal-Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Yogavel, J. Gill, P. C. Mishra, A. Sharma
Sad Phasing Of A Structure Based On Cocrystallized Iodides Using An In-House Cu Kalpha X-Ray Source: Effects Of Data Redundancy And Completeness On Structure Solution
Acta Crystallogr. , Sect. D V. 63 931 2007
PubMed-ID: 17642520  |  Reference-DOI: 10.1107/S0907444907029174
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - SUPEROXIDE DISMUTASE
    ChainsA, B
    EC Number1.15.1.1
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPQE30
    Expression System StrainM50
    Expression System Taxid562
    Expression System Vector TypePLASMID
    Organism ScientificPOTENTILLA ATROSANGUINEA
    Organism Taxid487759
    SynonymCOPPER-ZINC SUPEROXIDE DISMUTASE

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 12)

Asymmetric/Biological Unit (2, 12)
No.NameCountTypeFull Name
1IOD10Ligand/IonIODIDE ION
2ZN2Ligand/IonZINC ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:62 , HIS A:70 , HIS A:79 , ASP A:82BINDING SITE FOR RESIDUE ZN A 1001
2AC2SOFTWAREHIS B:62 , HIS B:70 , HIS B:79 , ASP B:82BINDING SITE FOR RESIDUE ZN B 1002
3AC3SOFTWAREASN A:64 , HOH A:2050BINDING SITE FOR RESIDUE IOD A 2003
4AC4SOFTWAREASN B:64 , HOH B:2050BINDING SITE FOR RESIDUE IOD B 2006
5AC5SOFTWAREHOH A:2070 , ASP B:91BINDING SITE FOR RESIDUE IOD B 2009

(-) SS Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1A:56 -A:145
2B:56 -B:145

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2Q2L)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2Q2L)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2Q2L)

(-) Exons   (0, 0)

(no "Exon" information available for 2Q2L)

(-) 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:152
 aligned with B2CP37_9ROSA | B2CP37 from UniProtKB/TrEMBL  Length:152

    Alignment length:152
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150  
         B2CP37_9ROSA     1 MAKGVAVLSSSEGVAGTILFTQEGDGPTTVTGNISGLKPGLHGFHVHALGDTTNGCMSTGPHFNPAGKEHGSPEDETRHAGDLGNITVGDDGTACFTIVDKQIPLTGPHSIIGRAVVVHADPDDLGKGGHELSKSTGNAGGRIACGIIGLQG 152
               SCOP domains d2q2la_ A: automated matches                                                                                                                             SCOP domains
               CATH domains 2q2lA00 A:1-152  [code=2.60.40.200, no name defined]                                                                                                     CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.......eeeeeeee.....eeeeeeee....eeeeeeee......hhhhhhh.....................eeeeeee.....eeeeeee..............eeeee......................eeeeee.ee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2q2l A   1 MAKGVAVLSSSEGVAGTILFTQEGDGPTTVTGNISGLKPGLHGFHVHALGDTTNGCMSTGPHFNPAGKEHGSPEDETRHAGDLGNITVGDDGTACFTIVDKQIPLTGPHSIIGRAVVVHADPDDLGKGGHELSKSTGNAGGRIACGIIGLQG 152
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150  

Chain B from PDB  Type:PROTEIN  Length:152
 aligned with B2CP37_9ROSA | B2CP37 from UniProtKB/TrEMBL  Length:152

    Alignment length:152
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150  
         B2CP37_9ROSA     1 MAKGVAVLSSSEGVAGTILFTQEGDGPTTVTGNISGLKPGLHGFHVHALGDTTNGCMSTGPHFNPAGKEHGSPEDETRHAGDLGNITVGDDGTACFTIVDKQIPLTGPHSIIGRAVVVHADPDDLGKGGHELSKSTGNAGGRIACGIIGLQG 152
               SCOP domains d2q2lb_ B: automated matches                                                                                                                             SCOP domains
               CATH domains 2q2lB00 B:1-152  [code=2.60.40.200, no name defined]                                                                                                     CATH domains
           Pfam domains (1) ---Sod_Cu-2q2lB01 B:4-148                                                                                                                           ---- Pfam domains (1)
           Pfam domains (2) ---Sod_Cu-2q2lB02 B:4-148                                                                                                                           ---- Pfam domains (2)
         Sec.struct. author .eeeeee.......eeeeeeee.....eeeeeeee....eeeeeee.........hhhhh.....................eeeeeee.....eeeeeee..............eeeee............hhhhhh....eeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2q2l B   1 MAKGVAVLSSSEGVAGTILFTQEGDGPTTVTGNISGLKPGLHGFHVHALGDTTNGCMSTGPHFNPAGKEHGSPEDETRHAGDLGNITVGDDGTACFTIVDKQIPLTGPHSIIGRAVVVHADPDDLGKGGHELSKSTGNAGGRIACGIIGLQG 152
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150  

   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  (1, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (1, 2)

Asymmetric/Biological Unit

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (B2CP37_9ROSA | B2CP37)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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:0004784    superoxide dismutase activity    Catalysis of the reaction: 2 superoxide + 2 H+ = O2 + hydrogen peroxide.
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:0019430    removal of superoxide radicals    Any process, acting at the cellular level, involved in removing superoxide radicals (O2-) from a cell or organism, e.g. by conversion to dioxygen (O2) and hydrogen peroxide (H2O2).
    GO:0006801    superoxide metabolic process    The chemical reactions and pathways involving superoxide, the superoxide anion O2- (superoxide free radical), or any compound containing this species.

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