3EC6

Crystal structure of the General Stress Protein 26 from Bacillus anthracis str. Sterne

• PDB DOI: https://doi.org/10.2210/pdb3EC6/pdb

• Classification: Structural Genomics, Unknown Function
• Organism(s): Bacillus anthracis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-08-29 Released: 2008-09-16 
• Deposition Author(s): Kim, Y., Xu, X., Cui, H., Savchenko, A., Edwards, A., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.227 
• R-Value Work: 0.186 
• R-Value Observed: 0.188 

Literature

Crystal structure of the general stress protein 26 from Bacillus anthracis str. Sterne

Kim, Y., Xu, X., Cui, H., Savchenko, A., Edwards, A., Anderson, W.F., Joachimiak, A.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 17.17 kDa 
• Atom Count: 1,303 
• Modelled Residue Count: 129 
• Deposited Residue Count: 139 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
General stress protein 26	A	139	Bacillus anthracis	Mutation(s): 0
UniProt
Find proteins for A0A6L8PEJ3 (Bacillus anthracis) Explore A0A6L8PEJ3  Go to UniProtKB:  A0A6L8PEJ3

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FAD	B [auth A]	FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O15 P2 VWWQXMAJTJZDQX-UYBVJOGSSA-N
SO4	C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.227 
• R-Value Work: 0.186 
• R-Value Observed: 0.188 
• Space Group: C 1 2 1
• Diffraction Data: https://doi.org/10.18430/m33ec6

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.123	α = 90
b = 48.898	β = 126.05
c = 51.066	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
HKL-3000	data collection
HKL-3000	phasing
MLPHARE	phasing
DM	model building
SHELXD	phasing
RESOLVE	model building
Coot	model building
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
DM	phasing
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-09-16 
Deposition Author(s): Kim, Y., Xu, X., Cui, H., Savchenko, A., Edwards, A., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2008-09-16
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2024-10-09
  Changes: Data collection, Database references, Derived calculations, Structure summary