3G48 | pdb_00003g48

Crystal structure of chaperone CsaA form Bacillus anthracis str. Ames

• PDB DOI: https://doi.org/10.2210/pdb3G48/pdb

• Classification: PROTEIN TRANSPORT
• Organism(s): Bacillus anthracis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-02-03 Released: 2009-03-03 
• Deposition Author(s): Nocek, B., Zhou, M., Stam, J., Anderson, W., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 
  0.201 (Depositor), 0.243 (DCC) 
• R-Value Work: 
  0.166 (Depositor) 
• R-Value Observed: 
  0.167 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of chaperone CsaA form Bacillus anthracis str. Ames

Nocek, B., Zhou, M., Stam, J., Anderson, W., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 24.84 kDa 
• Atom Count: 1,964 
• Modeled Residue Count: 215 
• Deposited Residue Count: 224 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chaperone CsaA	A, B	112	Bacillus anthracis	Mutation(s): 0  Gene Names: csaA, BAS1917, BA_2064, GBAA2064
UniProt
Find proteins for A0A6L8PP74 (Bacillus anthracis) Explore A0A6L8PP74  Go to UniProtKB:  A0A6L8PP74

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	D [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	E [auth B], F [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
EDO	C [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free:  0.201 (Depositor), 0.243 (DCC) 
• R-Value Work:  0.166 (Depositor) 
• R-Value Observed: 0.167 (Depositor) 

Diffraction Data: https://doi.org/10.18430/m33g48

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.359	α = 90
b = 67.564	β = 90
c = 74.642	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
MOLREP	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-03-03 
Deposition Author(s): Nocek, B., Zhou, M., Stam, J., Anderson, W., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2009-03-03
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2011-12-14
  Changes: Database references, Structure summary
• Version 1.3: 2017-11-01
  Changes: Refinement description
• Version 1.4: 2023-09-06
  Changes: Data collection, Database references, Refinement description