Biological Assembly 1  

 3D View: Structure | Electron Density

Global Symmetry: Dihedral - D3  (3D View)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 22.45 kDa 
• Atom Count: 1243 
• Residue Count: 152 
• Unique protein chains: 1

4MLK

3.05A resolution structure of CT584 from Chlamydia trachomatis

• DOI: 10.2210/pdb4MLK/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Chlamydia trachomatis 434/Bu
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-09-06 Released: 2013-11-13 
• Deposition Author(s): Hickey, J., Lovell, S., Kemege, K., Barta, M.L., Battaile, K.P., Hefty, P.S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.05 Å
• R-Value Free: 0.253 
• R-Value Work: 0.225 
• R-Value Observed: 0.227 

Literature

Structure of CT584 from Chlamydia trachomatis refined to 3.05 angstrom resolution.

Barta, M.L., Hickey, J., Kemege, K.E., Lovell, S., Battaile, K.P., Hefty, P.S.

(2013) Acta Crystallogr Sect F Struct Biol Cryst Commun 69: 1196-1201

• PubMed: 24192348 
• DOI: 10.1107/S1744309113027371
• Primary Citation of Related Structures:  
  4MLK


• PubMed Abstract: 
  

Chlamydia trachomatis is a major cause of various diseases, including blinding trachoma and pelvic inflammatory disease, and is the leading reported sexually transmitted bacterial infection worldwide. All pathogenic Chlamydiae spp. utilize a supramolecular syringe, or type III secretion system (T3SS), to inject proteins into their obligate host in order to propagate infection. Here, the structure of CT584, a T3SS-associated protein, that has been refined to a resolution of 3.05 Å is reported. The CT584 structure is a hexamer comprised of a trimer of dimers. The structure shares a high degree of similarity to the recently reported structure of an orthologous protein, Cpn0803, from Chlamydia pneumoniae, which highlights the highly conserved nature of this protein across these chlamydial species, despite different tissue tropism and disease pathology.

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Organizational Affiliation: 

Department of Molecular Biosciences, University of Kansas, Lawrence, KS 66045, USA.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CT584 protein	A	194	Chlamydia trachomatis 434/Bu	Mutation(s): 0  Gene Names: CTL0847
Find proteins for A0A0H3MCR9 (Chlamydia trachomatis serovar L2 (strain 434/Bu / ATCC VR-902B)) Explore A0A0H3MCR9  Go to UniProtKB:  A0A0H3MCR9

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.05 Å
• R-Value Free: 0.253 
• R-Value Work: 0.225 
• R-Value Observed: 0.227 
• Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 112.236	α = 90
b = 112.236	β = 90
c = 82.072	γ = 120

Software Package:

Software Name	Purpose
SCALA	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
JDirector	data collection
XDS	data reduction

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2013-09-06 
• Released Date: 2013-11-13 
Deposition Author(s): Hickey, J., Lovell, S., Kemege, K., Barta, M.L., Battaile, K.P., Hefty, P.S.

Revision History 

• Version 1.0: 2013-11-13
  Type: Initial release
  
• Version 1.1: 2013-12-18
  Changes: Database references
• Version 1.2: 2017-11-15
  Changes: Refinement description