3FH3

Crystal structure of a putative ECF-type sigma factor negative effector from Bacillus anthracis str. Sterne

• PDB DOI: https://doi.org/10.2210/pdb3FH3/pdb

• Classification: structural genomics, unknown function
• Organism(s): Bacillus anthracis str. Sterne
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-12-08 Released: 2009-01-06 
• Deposition Author(s): Nocek, B., Kim, Y., Joachimiak, G., Du, J., Gornicki, P., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.259 
• R-Value Work: 0.201 
• R-Value Observed: 0.204 

Literature

Crystal structure of a putative ECF-type sigma factor negative effector from Bacillus anthracis str. Sterne

Nocek, B., Kim, Y., Joachimiak, G., Du, J., Maltseva, N., Gornicki, P., Jedrzejczak, R., 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: 37.55 kDa 
• Atom Count: 2,508 
• Modelled Residue Count: 293 
• Deposited Residue Count: 316 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
putative ECF-type sigma factor negative effector	A, B	158	Bacillus anthracis str. Sterne	Mutation(s): 0  Gene Names: BAS1967, BA_2115, GBAA2115
UniProt
Find proteins for A0A6L8PES2 (Bacillus anthracis) Explore A0A6L8PES2  Go to UniProtKB:  A0A6L8PES2

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NI	C [auth A], D [auth A]	NICKEL (II) ION Ni VEQPNABPJHWNSG-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.259 
• R-Value Work: 0.201 
• R-Value Observed: 0.204 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.808	α = 90
b = 79.628	β = 90
c = 80.078	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
HKL-3000	phasing
SHELX	model building
Coot	model building
MLPHARE	phasing
CCP4	model building
PHENIX	refinement
HKL-3000	data reduction
SCALEPACK	data scaling
SHELX	phasing
CCP4	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-01-06 
Deposition Author(s): Nocek, B., Kim, Y., Joachimiak, G., Du, J., Gornicki, P., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2009-01-06
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Source and taxonomy, Version format compliance