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 1Y12 | pdb_00001y12

Structure of a hemolysin-coregulated protein from Pseudomonas aeruginosa

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 
    0.227 (Depositor), 0.227 (DCC) 
  • R-Value Work: 
    0.179 (Depositor), 0.179 (DCC) 
  • R-Value Observed: 
    0.182 (Depositor) 

wwPDB Validation 3D Report Full Report

Validation slider image for 1Y12

This is version 1.5 of the entry. See complete history. 

Literature

A virulence locus of Pseudomonas aeruginosa encodes a protein secretion apparatus.

Mougous, J.D., Cuff, M.E., Raunser, S., Shen, A., Zhou, M., Gifford, C.A., Goodman, A.L., Joachimiak, G., Ordonez, C.L., Lory, S., Walz, T., Joachimiak, A., Mekalanos, J.J.

(2006) Science 312: 1526-1530

  • DOI: https://doi.org/10.1126/science.1128393
  • Primary Citation Related Structures: 
    1Y12

  • PubMed Abstract: 

    Bacterial pathogens frequently use protein secretion to mediate interactions with their hosts. Here we found that a virulence locus (HSI-I) of Pseudomonas aeruginosa encodes a protein secretion apparatus. The apparatus assembled in discrete subcellular locations and exported Hcp1, a hexameric protein that forms rings with a 40 angstrom internal diameter. Regulatory patterns of HSI-I suggested that the apparatus functions during chronic infections. We detected Hcp1 in pulmonary secretions of cystic fibrosis (CF) patients and Hcp1-specific antibodies in their sera. Thus, HSI-I likely contributes to the pathogenesis of P. aeruginosa in CF patients. HSI-I-related loci are widely distributed among bacterial pathogens and may play a general role in mediating host interactions.

    • Organizational Affiliation: 
    • Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, MA 02115, USA.

Macromolecule Content 

  • Total Structure Weight: 53.96 kDa 
  • Atom Count: 4,146 
  • Modeled Residue Count: 477 
  • Deposited Residue Count: 495 
  • Unique protein chains: 1

Macromolecules

Find similar proteins by:
|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
hypothetical protein PA0085
A, B, C
165Pseudomonas aeruginosa PAO1Mutation(s): 6 
Gene Names: PA0085
UniProt
Find proteins for Q9I747 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
Explore Q9I747 
Go to UniProtKB:  Q9I747
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9I747
Sequence Annotations
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Reference Sequence

Small Molecules

Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
MSE
Query on MSE
A, B, C
L-PEPTIDE LINKINGC5 H11 N O2 SeMET

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free:  0.227 (Depositor), 0.227 (DCC) 
  • R-Value Work:  0.179 (Depositor), 0.179 (DCC) 
  • R-Value Observed: 0.182 (Depositor) 
Space Group: P 6
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 146.729α = 90
b = 146.729β = 90
c = 42.222γ = 120
Software Package:
Software NamePurpose
REFMACrefinement
d*TREKdata reduction
HKL-2000data scaling
SOLVEphasing
autoSHARPphasing

Structure Validation

View Full Validation Report



View more in-depth experimental data

Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2005-01-25
    Type: Initial release
  • Version 1.1: 2008-04-30
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Advisory, Derived calculations, Version format compliance
  • Version 1.3: 2020-01-22
    Changes: Advisory, Database references, Derived calculations
  • Version 1.4: 2020-03-11
    Changes: Data collection, Derived calculations
  • Version 1.5: 2024-11-20
    Changes: Data collection, Database references, Structure summary