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(-) Description

Title :  CRYSTAL STRUCTURE OF P144A MUTANT OF E.COLI CCMG PROTEIN
 
Authors :  N. Ouyang, Y. G. Gao, H. Y. Hu, Z. X. Xia
Date :  12 Feb 06  (Deposition) - 05 Dec 06  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym./Biol. Unit :  A
Keywords :  E. Coli Ccmg, P144A Mutant, Cis-To-Trans Configuration Change, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  N. Ouyang, Y. G. Gao, H. Y. Hu, Z. X. Xia
Crystal Structures Of E. Coli Ccmg And Its Mutants Reveal Key Roles Of The N-Terminal Beta-Sheet And The Fingerprint Region
Proteins V. 65 1021 2006
PubMed-ID: 17019698  |  Reference-DOI: 10.1002/PROT.21184
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - THIOL:DISULFIDE INTERCHANGE PROTEIN DSBE
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-3A
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: RESIDUES 36-184
    Gene: CCMG
    Mutation: YES
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Synonym: CCMG PROTEIN, 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 2G0F)

(-) Sites  (0, 0)

(no "Site" information available for 2G0F)

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:80 -A:83

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2G0F)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2G0F)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1THIOREDOXIN_2PS51352 Thioredoxin domain profile.DSBE_ECOLI39-177  1A:39-177
2THIOREDOXIN_1PS00194 Thioredoxin family active site.DSBE_ECOLI72-90  1A:72-90

(-) Exons   (0, 0)

(no "Exon" information available for 2G0F)

(-) 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:149
 aligned with DSBE_ECOLI | P0AA86 from UniProtKB/Swiss-Prot  Length:185

    Alignment length:149
                                    45        55        65        75        85        95       105       115       125       135       145       155       165       175         
           DSBE_ECOLI    36 LESALIGKPVPKFRLESLDNPGQFYQADVLTQGKPVLLNVWATWCPTCRAEHQYLNQLSAQGIRVVGMNYKDDRQKAISWLKELGNPYALSLFDGDGMLGLDLGVYGAPETFLIDGNGIIRYRHAGDLNPRVWEEEIKPLWEKYSKEAA 184
               SCOP domains d2g0fa_ A: automated matches                                                                                                                          SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .............eeee......eee.hhhh....eeeeee...hhhhhhhhhhhhhhhhh...eeeeee..hhhhhhhhhhhhh....eeeee..hhhhhhhh.....eeeee.....eeeeee...hhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---THIOREDOXIN_2  PDB: A:39-177 UniProt: 39-177                                                                                               ------- PROSITE (1)
                PROSITE (2) ------------------------------------THIOREDOXIN_1      ---------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2g0f A  36 LESALIGKPVPKFRLESLDNPGQFYQADVLTQGKPVLLNVWATWCPTCRAEHQYLNQLSAQGIRVVGMNYKDDRQKAISWLKELGNPYALSLFDGDGMLGLDLGVYGAAETFLIDGNGIIRYRHAGDLNPRVWEEEIKPLWEKYSKEAA 184
                                    45        55        65        75        85        95       105       115       125       135       145       155       165       175
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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  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  (0, 0)

(no "CATH Domain" information available for 2G0F)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2G0F)

(-) Gene Ontology  (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (DSBE_ECOLI | P0AA86)
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:0031237    intrinsic component of periplasmic side of plasma membrane    The component of a plasma membrane consisting of gene products and protein complexes that penetrate the periplasmic side of the plasma membrane only, either directly or via some covalently attached hydrophobic anchor.
    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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 Related Entries

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

UniProtKB/Swiss-Prot
        DSBE_ECOLI | P0AA86: 1z5y 2b1k 2b1l 3k8n

(-) Related Entries Specified in the PDB File

2b1k CRYSTAL STRUCTURE OF THE E.COLI CCMG PROTEIN
2b1l CRYSTAL STRUCTURE OF THE E.COLI CCMG MUTANT WITH A DELETION OF RESIDUES 1-57