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(-) Description

Title :  STRUCTURE OF THE HETEROTRIMERIC COMPLEX WHICH REGULATES TYPE III SECRETION NEEDLE FORMATION
 
Authors :  M. Quinaud, S. Ple, V. Job, C. Contreras-Martel, J. P. Simorre, I. Attree, A. Dessen
Date :  22 Mar 07  (Deposition) - 15 May 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  E,F,G
Biol. Unit 1:  E,F,G  (2x)
Keywords :  Virulence, Chaperones, Coiled Coil, Needle Formation, Type Iii Secretion, Bacterial Pathogenicity, Chaperone (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Quinaud, S. Ple, V. Job, C. Contreras-Martel, J. P. Simorre, I. Attree, A. Dessen
Structure Of The Heterotrimeric Complex That Regulates Type Iii Secretion Needle Formation.
Proc. Natl. Acad. Sci. Usa V. 104 7803 2007
PubMed-ID: 17470796  |  Reference-DOI: 10.1073/PNAS.0610098104
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TYPE III EXPORT PROTEIN PSCE
    Chains: E
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-15B (NOVAGEN)
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Variant: DE3
    Fragment: RESIDUES 1-67
    Organism Scientific: PSEUDOMONAS AERUGINOSA
    Organism Taxid: 287
    Strain: CHA
    Synonym: PSCE, PSEUDOMONAS SECRETION PROTEIN E
 
Molecule 2 - TYPE III EXPORT PROTEIN PSCF
    Chains: F
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-15B (NOVAGEN)
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Variant: DE3
    Fragment: RESIDUES 54-84
    Organism Scientific: PSEUDOMONAS AERUGINOSA
    Organism Taxid: 287
    Strain: CHA
    Synonym: PSCF, PSEUDOMONAS SECRETION PROTEIN F
 
Molecule 3 - TYPE III EXPORT PROTEIN PSCG
    Chains: G
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-15B (NOVAGEN)
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Variant: DE3
    Organism Scientific: PSEUDOMONAS AERUGINOSA
    Organism Taxid: 287
    Strain: CHA
    Synonym: PSCG, PSEUDOMONAS SECRETION PROTEIN G

 Structural Features

(-) Chains, Units

  123
Asymmetric Unit : EFG
Biological Unit 1 (2x): EFG

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 3)

Asymmetric Unit (1, 3)
No.NameCountTypeFull Name
1NI3Ligand/IonNICKEL (II) ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1NI-1Ligand/IonNICKEL (II) ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG E:35 , GLU E:58 , HOH E:2029BINDING SITE FOR RESIDUE NI E1071
2AC2SOFTWAREPHE E:49 , GLN E:53 , TRP G:31BINDING SITE FOR RESIDUE NI E1072
3AC3SOFTWAREMET F:54 , HIS F:55 , HIS G:80BINDING SITE FOR RESIDUE NI F1086

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2UWJ)

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (2, 2)

Asymmetric Unit (2, 2)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_PSCE_PSEAE_001 *C40GPSCE_PSEAE  ---  ---EC43G
2UniProtVAR_PSCE_PSEAE_002 *H43RPSCE_PSEAE  ---  ---ER46R
   * ID not provided by source
  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (2, 4)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_PSCE_PSEAE_001 *C40GPSCE_PSEAE  ---  ---EC43G
2UniProtVAR_PSCE_PSEAE_002 *H43RPSCE_PSEAE  ---  ---ER46R
   * ID not provided by source
  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2UWJ)

(-) Exons   (0, 0)

(no "Exon" information available for 2UWJ)

(-) 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 E from PDB  Type:PROTEIN  Length:70
 aligned with PSCE_PSEAE | Q9I317 from UniProtKB/Swiss-Prot  Length:67

    Alignment length:70
                               1                                                                  
                               |     7        17        27        37        47        57        67
           PSCE_PSEAE     - ---MMTALETRLSVADGTHAAALRQRLQAALAECRRELARGACPEHFQFLQQQARALEGGLGILSQLTED  67
               SCOP domains ---------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------- CATH domains
               Pfam domains ----DUF1895-2uwjE01 E:5-70                                             Pfam domains
         Sec.struct. author .....hhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------G--R------------------------ SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------- Transcript
                 2uwj E   1 GSHMMTALETRLSVADGTHAAALRQRLQAALAECRRELARGACPERFQFLQQQARALEGGLGILSQLTED  70
                                    10        20        30        40        50        60        70


Chain F from PDB  Type:PROTEIN  Length:32
 aligned with PSCF_PSEAE | P95434 from UniProtKB/Swiss-Prot  Length:85

    Alignment length:32
                                    63        73        83  
           PSCF_PSEAE    54 QHKINKWSVIYNINSTVTRALRDLMQGILQKI  85
               SCOP domains -------------------------------- SCOP domains
               CATH domains -------------------------------- CATH domains
               Pfam domains -MxiH-2uwjF01 F:55-84          - Pfam domains
         Sec.struct. author ......hhhhh..hhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------- PROSITE
                 Transcript -------------------------------- Transcript
                 2uwj F  54 MHKINKWSVIYNINSTVTRALRDLMQGILQKI  85
                                    63        73        83  


Chain G from PDB  Type:PROTEIN  Length:114
 aligned with PSCG_PSEAE | P95435 from UniProtKB/Swiss-Prot  Length:115

    Alignment length:114
                                    11        21        31        41        51        61        71        81        91       101       111    
           PSCG_PSEAE     2 DTSLIRELAELALAGSGQHCHEEALCIAEWLERLGQDEAARLIRISSLANQGRYQEALAFAHGNPWPALEPWFALCEWHLGLGAALDRRLAGLGGSSDPALADFAAGMRAQVRT 115
               SCOP domains ------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains Type_III_YscG-2uwjG01 G:2-115                                                                                      Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhh.hhhhhhhhhh...hhhhhhhhhhhhhhh.hhhhhhhhhhhhhh..hhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------ Transcript
                 2uwj G   2 DTSLIRELAELALAGSGQHCHEEALCIAEWLERLGQDEAARLIRISSLANQGRYQEALAFAHGNPWPALEPWFALCEWHLGLGAALDRRLAGLGGSSDPALADFAAGMRAQVRT 115
                                    11        21        31        41        51        61        71        81        91       101       111
   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  (0, 0)

(no "SCOP Domain" information available for 2UWJ)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (3, 3)

Asymmetric Unit
(-)
Clan: no clan defined [family: DUF1895] (1)
(-)
Clan: no clan defined [family: MxiH] (4)
(-)
Clan: no clan defined [family: Type_III_YscG] (1)

(-) Gene Ontology  (6, 11)

Asymmetric Unit(hide GO term definitions)
Chain E   (PSCE_PSEAE | Q9I317)
biological process
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
    GO:0030254    protein secretion by the type III secretion system    The process in which proteins are transferred into the extracellular milieu or directly into host cells by the bacterial type III secretion system; secretion occurs in a continuous process without the distinct presence of periplasmic intermediates and does not involve proteolytic processing of secreted proteins.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

Chain F   (PSCF_PSEAE | P95434)
molecular function
    GO:0008565    protein transporter activity    Enables the directed movement of proteins into, out of or within a cell, or between cells.
biological process
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
    GO:0030254    protein secretion by the type III secretion system    The process in which proteins are transferred into the extracellular milieu or directly into host cells by the bacterial type III secretion system; secretion occurs in a continuous process without the distinct presence of periplasmic intermediates and does not involve proteolytic processing of secreted proteins.
    GO:0015031    protein transport    The directed movement of proteins into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

Chain G   (PSCG_PSEAE | P95435)
biological process
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
    GO:0030254    protein secretion by the type III secretion system    The process in which proteins are transferred into the extracellular milieu or directly into host cells by the bacterial type III secretion system; secretion occurs in a continuous process without the distinct presence of periplasmic intermediates and does not involve proteolytic processing of secreted proteins.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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