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(-) Description

Title :  CRYSTAL STRUCTURE OF N-TERMINAL TRUNCATED PSEUDOPILIN PULG
 
Authors :  R. Koehler, K. Schaefer, S. Mueller, G. Vignon, K. Diederichs, A. Philippsen, P. Ringler, A. P. Pugsley, A. Engel, W. Welte
Date :  14 May 04  (Deposition) - 05 Oct 04  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.60
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Domain-Swapping, Zinc, Pseudopilin, Protein Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. Koehler, K. Schaefer, S. Mueller, G. Vignon, K. Diederichs, A. Philippsen, P. Ringler, A. P. Pugsley, A. Engel, W. Welte
Structure And Assembly Of The Pseudopilin Pulg.
Mol. Microbiol. V. 54 647 2004
PubMed-ID: 15491357  |  Reference-DOI: 10.1111/J.1365-2958.2004.04307.X
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - GENERAL SECRETION PATHWAY PROTEIN G
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PCHAP7013
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: PULG
    Organism Scientific: KLEBSIELLA PNEUMONIAE
    Organism Taxid: 573
    Synonym: PULLULANASE SECRETION PROTEIN PULG

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1ZN1Ligand/IonZINC ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:44 , HOH A:273 , GLU B:44 , HOH B:263BINDING SITE FOR RESIDUE ZN A 141

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1T92)

(-) Cis Peptide Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1Glu A:74 -Pro A:75
2Ser A:102 -Pro A:103
3Glu B:74 -Pro B:75
4Ser B:102 -Pro B:103

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1T92)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1T92)

(-) Exons   (0, 0)

(no "Exon" information available for 1T92)

(-) 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:108
 aligned with GSPG_KLEPN | P15746 from UniProtKB/Swiss-Prot  Length:140

    Alignment length:108
                                    41        51        61        71        81        91       101       111       121       131        
           GSPG_KLEPN    32 GNKEKADRQKVVSDLVALEGALDMYKLDNSRYPTTEQGLQALVSAPSAEPHARNYPEGGYIRRLPQDPWGSDYQLLSPGQHGQVDIFSLGPDGVPESNDDIGNWTIGK 139
               SCOP domains d1t92a_ A: Pullulanase secretion protein PulG                                                                SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhh..............................eee..hhhhh.eeee.......eee.....eee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------ Transcript
                 1t92 A  26 GNKEKADRQKVVSDLVALEGALDMYKLDNSRYPTTEQGLQALVSAPSAEPHARNYPEGGYIRRLPQDPWGSDYQLLSPGQHGQVDIFSLGPDGVPESNDDIGNWTIGF 133
                                    35        45        55        65        75        85        95       105       115       125        


Chain B from PDB  Type:PROTEIN  Length:108
 aligned with GSPG_KLEPN | P15746 from UniProtKB/Swiss-Prot  Length:140

    Alignment length:108
                                    41        51        61        71        81        91       101       111       121       131        
           GSPG_KLEPN    32 GNKEKADRQKVVSDLVALEGALDMYKLDNSRYPTTEQGLQALVSAPSAEPHARNYPEGGYIRRLPQDPWGSDYQLLSPGQHGQVDIFSLGPDGVPESNDDIGNWTIGK 139
               SCOP domains d1t92b_ B: Pullulanase secretion protein PulG                                                                SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhh..............................eee..hhhhh.eeee.......eee.....eee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------ Transcript
                 1t92 B  26 GNKEKADRQKVVSDLVALEGALDMYKLDNSRYPTTEQGLQALVSAPSAEPHARNYPEGGYIRRLPQDPWGSDYQLLSPGQHGQVDIFSLGPDGVPESNDDIGNWTIGF 133
                                    35        45        55        65        75        85        95       105       115       125
   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, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1T92)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1T92)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (GSPG_KLEPN | P15746)
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:0015628    protein secretion by the type II secretion system    The process in which proteins are secreted across the outer membrane of Gram-negative bacteria by the type II secretion system. Proteins using this pathway are first translocated across the cytoplasmic membrane via the Sec or Tat pathways.
    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.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0015627    type II protein secretion system complex    A large protein complex, containing 12-15 subunits, that spans the cell envelope of Gram-negative bacteria and mediates the movement of proteins into the extracellular environment. The complex includes a component in the cytoplasm, an inner membrane subcomplex that reaches into the periplasmic compartment and a secretion pore in the outer membrane. Proteins using the Type II pathway are transported across the cytoplasmic membrane by the Sec or Tat complex.

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 Related Entries

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

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(-) Related Entries Specified in the PDB File

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1oqv STRUCTURE OF TCPA, THE TYPE IV PILIN SUBUNIT FROM THE TOXIN CO-REGULATED PILUS OF VIBRIO CHOLERAE CLASSICAL BIOTYPE
1oqw FULL-LENGTH PAK PILIN FROM PSEUDOMONAS AERUGINOSA
2pil CRYSTALLOGRAPHIC STRUCTURE OF PHOSPHORYLATED PILIN FROM NEISSERIA: PHOSPHOSERINE SITES MODIFY TYPE IV PILUS SURFACE CHEMISTRY