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(-) Description

Title :  CRYSTAL STRUCTURE OF THE PERIPLASMIC SOLUBLE DOMAIN OF OXIDIZED CCMG FROM PSEUDOMONAS AERUGINOSA
 
Authors :  A. Di Matteo, N. Calosci, S. Gianni, P. Jemth, M. Brunori, C. Travaglin Allocatelli
Date :  30 Oct 09  (Deposition) - 07 Apr 10  (Release) - 14 Jul 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym./Biol. Unit :  A
Keywords :  Trx-Like, Thiol-Disulfide Exchange, Cell Inner Membrane, Cytochrome C-Type Biogenesis, Disulfide Bond, Redox-Active Center, Transmembrane, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Di Matteo, N. Calosci, S. Gianni, P. Jemth, M. Brunori, C. Travaglini-Allocatelli
Structural And Functional Characterization Of Ccmg From Pseudomonas Aeruginosa, A Key Component Of The Bacterial Cytochrome C Maturation Apparatus.
Proteins V. 78 2213 2010
PubMed-ID: 20544959  |  Reference-DOI: 10.1002/PROT.22733

(-) Compounds

Molecule 1
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET28
    Expression System Taxid: 562
    Fragment: SOLUBLE DOMAIN RESIDUES 26-180
    Gene: CCMG, DSBE, PA1481
    Organism Scientific: PSEUDOMONAS AERUGINOSA
    Organism Taxid: 287
    Strain: PAO1
    Synonym: CYTOCHROME C BIOGENESIS PROTEIN CCMG

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 3KH9)

(-) Sites  (0, 0)

(no "Site" information available for 3KH9)

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:74 -A:77

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Ala A:137 -Pro A:138

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3KH9)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1THIOREDOXIN_2PS51352 Thioredoxin domain profile.DSBE_PSEAE34-175  1A:34-175
2THIOREDOXIN_1PS00194 Thioredoxin family active site.DSBE_PSEAE66-84  1A:66-84

(-) Exons   (0, 0)

(no "Exon" information available for 3KH9)

(-) 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 DSBE_PSEAE | Q9I3N1 from UniProtKB/Swiss-Prot  Length:180

    Alignment length:155
                              24                                                                                                                                                       
                            23 |                                                                                                                                                       
                             | |    30        40        50        60        70        80        90       100       110       120       130       140       150       160       170     
           DSBE_PSEAE    22 RG-LWLDPSELPSALIGKPFPAFDLPSVQDPARRLTEADLKGKPALVNVWGTWCPSCRVEHPELTRLAEQGVVIYGINYKDDNAAAIKWLNELHNPYLLSISDADGTLGLDLGVYGAPETYLIDKQGIIRHKIVGVVDQKVWREQLAPLYQQLLD 175
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------Redoxin-3kh9A01 A:35-172                                                                                                                  --- Pfam domains
         Sec.struct. author ......hhhhh............eee.......eee.hhhh...eeeeee...hhhhhhhhhhhhhhhhh..eeeeeee..hhhhhhhhhhhh.....eeeee..hhhhhhhh.....eeeee.....eeeeee...hhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -------------THIOREDOXIN_2  PDB: A:34-175 UniProt: 34-175                                                                                                   PROSITE (1)
                PROSITE (2) ---------------------------------------------THIOREDOXIN_1      ------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3kh9 A  21 RGSHMLDPSELPSALIGKPFPAFDLPSVQDPARRLTEADLKGKPALVNVWGTWCPSCRVEHPELTRLAEQGVVIYGINYKDDNAAAIKWLNELHNPYLLSISDADGTLGLDLGVYGAPETYLIDKQGIIRHKIVGVVDQKVWREQLAPLYQQLLD 175
                                    30        40        50        60        70        80        90       100       110       120       130       140       150       160       170
   Legend:   → Mismatch (orange background)
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    → 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 3KH9)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3KH9)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: Thioredoxin (367)

(-) Gene Ontology  (9, 9)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (DSBE_PSEAE | Q9I3N1)
molecular function
    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: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:0030288    outer membrane-bounded periplasmic space    The region between the inner (cytoplasmic or plasma) membrane and outer membrane of organisms with two membranes such as Gram negative bacteria. These periplasmic spaces are relatively thick and contain a thin peptidoglycan layer (PGL), also referred to as a thin cell wall.
    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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  Cis Peptide Bonds
    Ala A:137 - Pro A:138   [ RasMol ]  
 

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 Related Entries

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

UniProtKB/Swiss-Prot
        DSBE_PSEAE | Q9I3N1: 3kh7

(-) Related Entries Specified in the PDB File

3kh7 CRYSTAL STRUCTURE OF THE PERIPLASMIC SOLUBLE DOMAIN OF REDUCED CCMG FROM PSEUDOMONAS AERUGINOSA