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(-) Description

Title :  THE 2.0 ANGSTROM RESOLUTION STRUCTURE OF THE CATALYTIC PORTION OF A CYANOBACTERIAL MEMBRANE-BOUND MANGANESE SUPEROXIDE DISMUTASE
 
Authors :  W. Atzenhofer, G. Regelsberger, U. Jacob, R. Huber, G. A. Peschek, C. Obinger
Date :  05 Feb 02  (Deposition) - 08 Aug 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Manganese Superoxide Dismutase, Anabaena Pcc 7120, Crystal Structure (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  W. Atzenhofer, G. Regelsberger, U. Jacob, G. A. Peschek, P. Furtmuller, R. Huber, C. Obinger
The 2. 0A Resolution Structure Of The Catalytic Portion Of A Cyanobacterial Membrane-Bound Manganese Superoxide Dismutase
J. Mol. Biol. V. 321 479 2002
PubMed-ID: 12162960  |  Reference-DOI: 10.1016/S0022-2836(02)00624-1

(-) Compounds

Molecule 1 - MANGANESE SUPEROXIDE DISMUTASE
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-3A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Fragment: HELICAL HAIRPIN, ALPHA/BETA DOMAIN, RESIDUES 30-270
    Organism Scientific: ANABAENA SP.
    Organism Taxid: 103690
    Strain: PCC 7120

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1MN2Ligand/IonMANGANESE (II) ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:62 , HIS A:117 , ASP A:200 , HIS A:204 , HOH A:2079BINDING SITE FOR RESIDUE MN A1238
2AC2SOFTWAREHIS B:62 , HIS B:117 , ASP B:200 , HIS B:204 , HOH B:2087BINDING SITE FOR RESIDUE MN B1238

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1GV3)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Asn A:36 -Pro A:37
2Asn B:36 -Pro B:37

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1GV3)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1GV3)

(-) Exons   (0, 0)

(no "Exon" information available for 1GV3)

(-) 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:214
 aligned with Q8Z0M1_NOSS1 | Q8Z0M1 from UniProtKB/TrEMBL  Length:270

    Alignment length:214
                                    62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262    
         Q8Z0M1_NOSS1    53 SIGFIDRQLGTNPAELPPLPYGYDALEKAIDAETMKLHHDKHHAAYVNNLNNALKKHPELQNSSVEALLRDLNSVPEDIRTTVRNNGGGHLNHTIFWQIMSPDGGGQPTGDIAQEINQTFGSFEEFKKQFNQAGGDRFGSGWVWLVRNPQGQLQIVSTPNQDSPIMEGSYPIMGNDVWEHAYYLRYQNRRPEYLNNWWNVVNWSEINRRTQASR 266
               SCOP domains d1gv3a1 A:25-126 Mn superoxide dismutase (MnSOD)                                                      d1gv3a2 A:127-237 Mn superoxide dismutase (MnSOD)                                                              - SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..............................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...eeeeeee.....eeeeeee...hhhhhh.eeeeeee.hhhhhhhhhh.hhhhhhhhhhhh.hhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1gv3 A  25 SIGFIDRQLGTNPAELPPLPYGYDALEKAIDAETMKLHHDKHHAAYVNNLNNALKKHPELQNSSVEALLRDLNSVPEDIRTTVRNNGGGHLNHTIFWQIMSPDGGGQPTGDIAQEINQTFGSFEEFKKQFNQAGGDRFGSGWVWLVRNPQGQLQVVSTPNQDNPIMEGSYPIMGNDVWEHAYYLRYQNRRPEYLNNWWNVVNWSEINRRTQASR 238
                                    34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234    


Chain B from PDB  Type:PROTEIN  Length:214
 aligned with Q8Z0M1_NOSS1 | Q8Z0M1 from UniProtKB/TrEMBL  Length:270

    Alignment length:214
                                    62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262    
         Q8Z0M1_NOSS1    53 SIGFIDRQLGTNPAELPPLPYGYDALEKAIDAETMKLHHDKHHAAYVNNLNNALKKHPELQNSSVEALLRDLNSVPEDIRTTVRNNGGGHLNHTIFWQIMSPDGGGQPTGDIAQEINQTFGSFEEFKKQFNQAGGDRFGSGWVWLVRNPQGQLQIVSTPNQDSPIMEGSYPIMGNDVWEHAYYLRYQNRRPEYLNNWWNVVNWSEINRRTQASR 266
               SCOP domains d1gv3b1 B:25-126 Mn superoxide dismutase (MnSOD)                                                      d1gv3b2 B:127-237 Mn superoxide dismutase (MnSOD)                                                              - SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..............................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...eeeeeee.....eeeeeee...hhhhhh.eeeeeee.hhhhhhhhhh.hhhhhhhhhh...hhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1gv3 B  25 SIGFIDRQLGTNPAELPPLPYGYDALEKAIDAETMKLHHDKHHAAYVNNLNNALKKHPELQNSSVEALLRDLNSVPEDIRTTVRNNGGGHLNHTIFWQIMSPDGGGQPTGDIAQEINQTFGSFEEFKKQFNQAGGDRFGSGWVWLVRNPQGQLQVVSTPNQDNPIMEGSYPIMGNDVWEHAYYLRYQNRRPEYLNNWWNVVNWSEINRRTQASR 238
                                    34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234
   Legend:   → Mismatch (orange background)
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (2, 4)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1GV3)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1GV3)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (Q8Z0M1_NOSS1 | Q8Z0M1)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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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