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(-) Description

Title :  X-RAY STRUCTURE OF A CU-ZN SUPEROXIDE DISMUTASE FROM HAEMOPHILUS DUCREYI
 
Authors :  K. Djinovic Carugo, I. Toeroe
Date :  04 Apr 05  (Deposition) - 12 Sep 06  (Release) - 26 Oct 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.50
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Cu-Zn Sod, Sod, Metalloenzymes, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  I. Toro, C. Petrutz, F. Pacello, M. D'Orazio, A. Battistoni, K. Djinovic-Carugo
Structural Basis Of Heme Binding In The Cu, Zn Superoxide Dismutase From Haemophilus Ducreyi.
J. Mol. Biol. V. 386 406 2009
PubMed-ID: 19103206  |  Reference-DOI: 10.1016/J.JMB.2008.12.004

(-) Compounds

Molecule 1 - SUPEROXIDE DISMUTASE [CU-ZN]
    ChainsA, B
    EC Number1.15.1.1
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPHEN-1
    Expression System Strain71/18
    Expression System Taxid562
    Expression System Vector TypePLASMID
    FragmentRESIDUES 45-199
    GeneSODC
    Organism ScientificHAEMOPHILUS DUCREYI
    Organism Taxid730
    Other DetailsMATURE PROTEIN WITHOUT BOUND HAEM

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric/Biological Unit (2, 4)
No.NameCountTypeFull Name
1CU2Ligand/IonCOPPER (II) ION
2ZN2Ligand/IonZINC ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:70 , HIS A:72 , HIS A:95 , HIS A:151BINDING SITE FOR RESIDUE CU A 200
2AC2SOFTWAREHIS A:95 , HIS A:104 , HIS A:113 , ASP A:116BINDING SITE FOR RESIDUE ZN A 201
3AC3SOFTWAREHIS B:70 , HIS B:72 , HIS B:95 , HIS B:151BINDING SITE FOR RESIDUE CU B 200
4AC4SOFTWAREHIS B:95 , HIS B:104 , HIS B:113 , ASP B:116BINDING SITE FOR RESIDUE ZN B 201

(-) SS Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1A:77 -A:173
2B:77 -B:173

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1His A:160 -Pro A:161
2His B:160 -Pro B:161

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1Z9P)

(-) PROSITE Motifs  (2, 4)

Asymmetric/Biological Unit (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SOD_CU_ZN_1PS00087 Copper/Zinc superoxide dismutase signature 1.SODC_HAEDU90-100
 
  2A:68-78
B:68-78
2SOD_CU_ZN_2PS00332 Copper/Zinc superoxide dismutase signature 2.SODC_HAEDU187-198
 
  2A:165-176
B:165-176

(-) Exons   (0, 0)

(no "Exon" information available for 1Z9P)

(-) 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:155
 aligned with SODC_HAEDU | Q59452 from UniProtKB/Swiss-Prot  Length:199

    Alignment length:155
                                    54        64        74        84        94       104       114       124       134       144       154       164       174       184       194     
           SODC_HAEDU    45 EKIVVPVQQLDPQNGNKDVGTVEITESAYGLVFTPKLHDLAHGLHGFHIHEKPSCEPKEKDGKLVAGLGAGGHWDPKQTQKHGYPWSDDAHMGDLPALFVMHDGSATTPVLAPRLKKLAEVKGHSLMIHAGGDNHSDHPAPLGGGGPRMACGVIK 199
               SCOP domains d1z9pa_ A: Cu,Zn superoxide dismutase, SOD                                                                                                                  SCOP domains
               CATH domains 1z9pA00 A:23-177  [code=2.60.40.200, no name defined]                                                                                                       CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee.......eeeeeeeeeee..eeeeeeee.....eee.eeee.......eee..eee.hhhhh..........................eee.........eee....hhhhhh.eeeeee..........hhhhhh..eeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------SOD_CU_ZN_1--------------------------------------------------------------------------------------SOD_CU_ZN_2 - PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1z9p A  23 EKIVVPVQQLDPQNGNKDVGTVEITESAYGLVFTPKLHDLAHGLHGFHIHEKPSCEPKEKDGKLVAGLGAGGHWDPKQTQKHGYPWSDDAHMGDLPALFVMHDGSATTPVLAPRLKKLAEVKGHSLMIHAGGDNHSDHPAPLGGGGPRMACGVIK 177
                                    32        42        52        62        72        82        92       102       112       122       132       142       152       162       172     

Chain B from PDB  Type:PROTEIN  Length:155
 aligned with SODC_HAEDU | Q59452 from UniProtKB/Swiss-Prot  Length:199

    Alignment length:155
                                    54        64        74        84        94       104       114       124       134       144       154       164       174       184       194     
           SODC_HAEDU    45 EKIVVPVQQLDPQNGNKDVGTVEITESAYGLVFTPKLHDLAHGLHGFHIHEKPSCEPKEKDGKLVAGLGAGGHWDPKQTQKHGYPWSDDAHMGDLPALFVMHDGSATTPVLAPRLKKLAEVKGHSLMIHAGGDNHSDHPAPLGGGGPRMACGVIK 199
               SCOP domains d1z9pb_ B: Cu,Zn superoxide dismutase, SOD                                                                                                                  SCOP domains
               CATH domains 1z9pB00 B:23-177  [code=2.60.40.200, no name defined]                                                                                                       CATH domains
           Pfam domains (1) Sod_Cu-1z9pB01 B:23-176                                                                                                                                   - Pfam domains (1)
           Pfam domains (2) Sod_Cu-1z9pB02 B:23-176                                                                                                                                   - Pfam domains (2)
         Sec.struct. author .eeeeeeee.......eeeeeeeeeee..eeeeeeee.....eee.eeee.......eee..eee.hhhhh..........................eee.........eee....hhhhh..eeeeee..........hhhhhh..eeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------SOD_CU_ZN_1--------------------------------------------------------------------------------------SOD_CU_ZN_2 - PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1z9p B  23 EKIVVPVQQLDPQNGNKDVGTVEITESAYGLVFTPKLHDLAHGLHGFHIHEKPSCEPKEKDGKLVAGLGAGGHWDPKQTQKHGYPWSDDAHMGDLPALFVMHDGSATTPVLAPRLKKLAEVKGHSLMIHAGGDNHSDHPAPLGGGGPRMACGVIK 177
                                    32        42        52        62        72        82        92       102       112       122       132       142       152       162       172     

   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  (9, 9)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (SODC_HAEDU | Q59452)
molecular function
    GO:0016209    antioxidant activity    Inhibition of the reactions brought about by dioxygen (O2) or peroxides. Usually the antioxidant is effective because it can itself be more easily oxidized than the substance protected. The term is often applied to components that can trap free radicals, thereby breaking the chain reaction that normally leads to extensive biological damage.
    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:0098869    cellular oxidant detoxification    Any process carried out at the cellular level that reduces or removes the toxicity superoxide radicals or hydrogen peroxide.
    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.
cellular component
    GO:0042597    periplasmic space    The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or cytoplasmic membrane and cell wall (Fungi and Gram-positive Bacteria).

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 Related Entries

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

UniProtKB/Swiss-Prot
        SODC_HAEDU | Q594521z9n

(-) Related Entries Specified in the PDB File

1bzo THREE-DIMENSIONAL STRUCTURE OF PROKARYOTIC CU,ZN SUPEROXIDE DISMUTASE FROM P.LEIOGNATHI, SOLVED BY X-RAY
1yai X-RAY STRUCTURE OF A BACTERIAL COPPER,ZINC SUPEROXIDE DISMUTASE
2aps CU/ZN SUPEROXIDE DISMUTASE FROM ACTINOBACILLUS PLEUROPNEUMONIAE