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(-) Description

Title :  STRUCTURE OF A RESA VARIANT WITH A DSBA-LIKE ACTIVE SITE MOTIF (CPHC)
 
Authors :  A. Crow
Date :  06 Feb 08  (Deposition) - 12 Aug 08  (Release) - 14 Dec 16  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym./Biol. Unit :  A
Keywords :  Thioredoxin-Like Fold, Cytochrome C-Type Biogenesis, Membrane, Oxidoreductase, Redox-Active Center, Signal-Anchor, Transmembrane (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Lewin, A. Crow, C. T. Hodson, L. Hederstedt, N. E. Le Brun
Effects Of Substitutions In The Cxxc Active-Site Motif Of The Extracytoplasmic Thioredoxin Resa.
Biochem. J. V. 414 81 2008
PubMed-ID: 18422485  |  Reference-DOI: 10.1042/BJ20080356

(-) Compounds

Molecule 1 - THIOL-DISULFIDE OXIDOREDUCTASE RESA
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: UNP RESIDUES 37-179
    Gene: RESA, YPXA
    Mutation: YES
    Organism Scientific: BACILLUS SUBTILIS
    Organism Taxid: 1423

 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
1EDO1Ligand/Ion1,2-ETHANEDIOL

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREALA A:42 , ASN A:44 , LEU A:57 , SER A:58 , LYS A:61 , HOH A:186 , HOH A:300BINDING SITE FOR RESIDUE EDO A 1

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3C71)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Leu A:140 -Pro A:141

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3C71)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1THIOREDOXIN_1PS00194 Thioredoxin family active site.RESA_BACSU66-84  1A:66-84

(-) Exons   (0, 0)

(no "Exon" information available for 3C71)

(-) 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:140
 aligned with RESA_BACSU | P35160 from UniProtKB/Swiss-Prot  Length:179

    Alignment length:140
                                    49        59        69        79        89        99       109       119       129       139       149       159       169       179
           RESA_BACSU    40 SDAPNFVLEDTNGKRIELSDLKGKGVFLNFWGTWCEPCKKEFPYMANQYKHFKSQGVEIVAVNVGESKIAVHNFMKSYGVNFPVVLDTDRQVLDAYDVSPLPTTFLINPEGKVVKVVTGTMTESMIHDYMNLIKPGETSG 179
               SCOP domains d3c71a_ A: automated matches                                                                                                                 SCOP domains
               CATH domains 3c71A00 A:40-179 Glutaredoxin                                                                                                                CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......eee.....eee.hhhh..eeeeeee...hhhhhhhhhhhhhhhhhhh...eeeeeee...hhhhhhhhhhhh.....eee...hhhhhhh......eeeee.....eeeee....hhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------THIOREDOXIN_1      ----------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3c71 A  40 SDAPNFVLEDTNGKRIELSDLKGKGVFLNFWGTWCPHCKKEFPYMANQYKHFKSQGVEIVAVNVGESKIAVHNFMKSYGVNFPVVLDTDRQVLDAYDVSPLPTTFLINPEGKVVKVVTGTMTESMIHDYMNLIKPGETSG 179
                                    49        59        69        79        89        99       109       119       129       139       149       159       169       179
   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, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3C71)

(-) Gene Ontology  (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (RESA_BACSU | P35160)
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:0015036    disulfide oxidoreductase activity    Catalysis of the reaction: substrate with reduced sulfide groups = substrate with oxidized disulfide bonds.
    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.
biological process
    GO:0045454    cell redox homeostasis    Any process that maintains the redox environment of a cell or compartment within a cell.
    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:0017004    cytochrome complex assembly    The aggregation, arrangement and bonding together of a cytochrome complex. A cytochrome complex is a protein complex in which at least one of the proteins is a cytochrome, i.e. a heme-containing protein involved in catalysis of redox reactions.
    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.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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  3c71
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 Related Entries

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

UniProtKB/Swiss-Prot
        RESA_BACSU | P35160: 1st9 1su9 2f9s 2h19 2h1a 2h1b 2h1d 2h1g 3c73

(-) Related Entries Specified in the PDB File

1st9 STRUCTURE OF OXIDISED RESA (WILD-TYPE)
1su9 STRUCTURE OF REDUCED RESA (WILD-TYPE)