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(-) Description

Title :  CRYSTAL STRUCTURE OF THE SUPEROXIDE REDUCTASE FROM TREPONEMA PALLIDUM
 
Authors :  T. Santos-Silva, J. Trincao, A. L. Carvalho, C. Bonifacio, F. Auchere, J. Moura, M. J. Romao
Date :  15 Nov 04  (Deposition) - 22 Nov 05  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.55
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Biol. Unit 3:  A,B,C,D  (1x)
Keywords :  Beta-Sheet, Iron Binding, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  T. Santos-Silva, J. Trincao, A. L. Carvalho, C. Bonifacio, F. Auchere, P. Raleiras, I. Moura, J. Moura, M. J. Romao
The First Crystal Structure Of Class Iii Superoxide Reductase From Treponema Pallidum.
J. Biol. Inorg. Chem. V. 11 548 2006
PubMed-ID: 16791639  |  Reference-DOI: 10.1007/S00775-006-0104-Y
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - DESULFOFERRODOXIN (RBO)
    ChainsA, B, C, D
    EC Number1.15.1.2
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System PlasmidPT7-7
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    GeneTP0823
    Organism ScientificTREPONEMA PALLIDUM SUBSP. PALLIDUM STR. NICHOLS
    Organism Taxid243276
    StrainSUBSP. PALLIDUM STR. NICHOLS
    SynonymSUPEROXIDE REDUCTASE

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit ABCD
Biological Unit 1 (1x)AB  
Biological Unit 2 (1x)  CD
Biological Unit 3 (1x)ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 7)

Asymmetric Unit (2, 7)
No.NameCountTypeFull Name
1FE5Ligand/IonFE (III) ION
2MG2Ligand/IonMAGNESIUM ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1FE-1Ligand/IonFE (III) ION
2MG-1Ligand/IonMAGNESIUM ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1FE-1Ligand/IonFE (III) ION
2MG-1Ligand/IonMAGNESIUM ION
Biological Unit 3 (0, 0)
No.NameCountTypeFull Name
1FE-1Ligand/IonFE (III) ION
2MG-1Ligand/IonMAGNESIUM ION

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:50 , HIS A:70 , HIS A:76 , CYS A:119 , HIS A:122BINDING SITE FOR RESIDUE FE A 130
2AC2SOFTWAREHIS B:50 , HIS B:70 , HIS B:76 , CYS B:119 , HIS B:122BINDING SITE FOR RESIDUE FE B 130
3AC3SOFTWAREHIS C:50 , HIS C:70 , HIS C:76 , CYS C:119 , HIS C:122BINDING SITE FOR RESIDUE FE C 130
4AC4SOFTWAREHIS D:50 , HIS D:70 , HIS D:76 , CYS D:119 , HIS D:122 , HOH D:192BINDING SITE FOR RESIDUE FE D 130
5AC5SOFTWAREALA A:108 , HOH A:513 , HOH A:550 , HOH A:551 , HOH C:520 , HOH C:522BINDING SITE FOR RESIDUE MG A 501
6AC6SOFTWAREHOH A:538 , ALA C:108 , HOH C:518 , HOH C:525 , HOH C:526 , HOH C:542BINDING SITE FOR RESIDUE MG C 502
7AC7SOFTWAREGLN A:111 , GLN C:111BINDING SITE FOR RESIDUE FE A 503

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1Y07)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Val A:65 -Gly A:66
2Val C:65 -Gly C:66

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1Y07)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1Y07)

(-) Exons   (0, 0)

(no "Exon" information available for 1Y07)

(-) Sequences/Alignments

Asymmetric 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:121
 aligned with O83795_TREPA | O83795 from UniProtKB/TrEMBL  Length:128

    Alignment length:126
                                    12        22        32        42        52        62        72        82        92       102       112       122      
         O83795_TREPA     3 RELSFFLQKESAGFFLGMDAPAGSSVACGSEVLRAVPVGTVDAAKEKHIPVVEVHGHEVKVKVGSVAHPMTPEHYIAWVCLKTRKGIQLKELPVDGAPEVTFALTADDQVLEAYEFCNLHGVWSGK 128
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..eeee..-----.eeee......eeee..eeee.........hhhhhheeeeee..eeeeee............eeeeeeee...eeeee.......eeeee......eeeeeeee...eeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1y07 A   3 RELSFFLQ-----FFLGMDAPAGSSVACGSEVLRAVPVGTVDAAKEKHIPVVEVHGHEVKVKVGSVAHPMTPEHYIAWVCLKTRKGIQLKELPVDGAPEVTFALTADDQVLEAYEFCNLHGVWSGK 128
                                   | -   |    22        32        42        52        62        72        82        92       102       112       122      
                                  10    16                                                                                                                

Chain B from PDB  Type:PROTEIN  Length:122
 aligned with O83795_TREPA | O83795 from UniProtKB/TrEMBL  Length:128

    Alignment length:127
                                    11        21        31        41        51        61        71        81        91       101       111       121       
         O83795_TREPA     2 GRELSFFLQKESAGFFLGMDAPAGSSVACGSEVLRAVPVGTVDAAKEKHIPVVEVHGHEVKVKVGSVAHPMTPEHYIAWVCLKTRKGIQLKELPVDGAPEVTFALTADDQVLEAYEFCNLHGVWSGK 128
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeee.---..eeeee......eee....eee.....--..hhhhhheeeeee..eeeeee............eeeeeeee..eeeeee.......eeeee......eeeeeeee...eeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1y07 B   2 GRELSFFLQ---AGFFLGMDAPAGSSVACGSEVLRAVPVG--DAAKEKHIPVVEVHGHEVKVKVGSVAHPMTPEHYIAWVCLKTRKGIQLKELPVDGAPEVTFALTADDQVLEAYEFCNLHGVWSGK 128
                                    |-  |     21        31        41  |     51        61        71        81        91       101       111       121       
                                   10  14                         41 44                                                                                    

Chain C from PDB  Type:PROTEIN  Length:124
 aligned with O83795_TREPA | O83795 from UniProtKB/TrEMBL  Length:128

    Alignment length:128
                                    10        20        30        40        50        60        70        80        90       100       110       120        
         O83795_TREPA     1 MGRELSFFLQKESAGFFLGMDAPAGSSVACGSEVLRAVPVGTVDAAKEKHIPVVEVHGHEVKVKVGSVAHPMTPEHYIAWVCLKTRKGIQLKELPVDGAPEVTFALTADDQVLEAYEFCNLHGVWSGK 128
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeee......eeeee......eeee..eeee.....----hhhhhheeeeee..eeeeee............eeeeeeee..eeeeee.......eeeee......eeeeeeee...eeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1y07 C   1 MGRELSFFLQKESAGFFLGMDAPAGSSVACGSEVLRAVPVG----AKEKHIPVVEVHGHEVKVKVGSVAHPMTPEHYIAWVCLKTRKGIQLKELPVDGAPEVTFALTADDQVLEAYEFCNLHGVWSGK 128
                                    10        20        30        40|    |  50        60        70        80        90       100       110       120        
                                                                   41   46                                                                                  

Chain D from PDB  Type:PROTEIN  Length:123
 aligned with O83795_TREPA | O83795 from UniProtKB/TrEMBL  Length:128

    Alignment length:127
                                    11        21        31        41        51        61        71        81        91       101       111       121       
         O83795_TREPA     2 GRELSFFLQKESAGFFLGMDAPAGSSVACGSEVLRAVPVGTVDAAKEKHIPVVEVHGHEVKVKVGSVAHPMTPEHYIAWVCLKTRKGIQLKELPVDGAPEVTFALTADDQVLEAYEFCNLHGVWSGK 128
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) ----------------------------------------Des    ulfoferrodox-1y07D01 D:42-128                                                    Pfam domains (1)
           Pfam domains (2) ----------------------------------------Des    ulfoferrodox-1y07D02 D:42-128                                                    Pfam domains (2)
           Pfam domains (3) ----------------------------------------Des    ulfoferrodox-1y07D03 D:42-128                                                    Pfam domains (3)
           Pfam domains (4) ----------------------------------------Des    ulfoferrodox-1y07D04 D:42-128                                                    Pfam domains (4)
         Sec.struct. author ...eeeee......eeeee......eeee..eeee...ee...----...eeeeee..eeeeee............eeeeeeee..eeeeee.......eeeee......eeeeeeee...eeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1y07 D   2 GRELSFFLQKESAGFFLGMDAPAGSSVACGSEVLRAVPVGTVD----KHIPVVEVHGHEVKVKVGSVAHPMTPEHYIAWVCLKTRKGIQLKELPVDGAPEVTFALTADDQVLEAYEFCNLHGVWSGK 128
                                    11        21        31        41  |    |51        61        71        81        91       101       111       121       
                                                                     44   49                                                                               

   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  (0, 0)

(no "SCOP Domain" information available for 1Y07)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1Y07)

(-) Pfam Domains  (1, 4)

Asymmetric Unit
(-)
Clan: SOR (12)

(-) Gene Ontology  (6, 6)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (O83795_TREPA | O83795)
molecular function
    GO:0005506    iron ion binding    Interacting selectively and non-covalently with iron (Fe) ions.
    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:0050605    superoxide reductase activity    Catalysis of the reaction: superoxide + reduced rubredoxin + 2 H+ = H2O2 + rubredoxin.
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.

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