3I1I

X-ray crystal structure of homoserine O-acetyltransferase from Bacillus anthracis

• PDB DOI:  https://doi.org/10.2210/pdb3I1I/pdb

• Classification: TRANSFERASE
• Organism(s): Bacillus anthracis str. 'Ames Ancestor
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-06-26 Released: 2009-07-07 
• Deposition Author(s): Osipiuk, J., Zhou, M., Grimshaw, S., 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: 2.44 Å
• R-Value Free: 0.197 
• R-Value Work: 0.161 
• R-Value Observed: 0.163 

Literature

X-ray crystal structure of homoserine O-acetyltransferase from Bacillus anthracis.

Osipiuk, J., Zhou, M., Grimshaw, S., Anderson, W.F., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 87.78 kDa 
• Atom Count: 6,427 
• Modelled Residue Count: 745 
• Deposited Residue Count: 754 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Homoserine O-acetyltransferase	A, B	377	Bacillus anthracis str. 'Ames Ancestor	Mutation(s): 0  Gene Names: BAS4629, BA_4983, GBAA4983, GBAA_4983 EC: 2.3.1
UniProt
Find proteins for A0A6L7HCR9 (Bacillus anthracis) Explore A0A6L7HCR9  Go to UniProtKB:  A0A6L7HCR9

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	C [auth A], F [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
GOL	E [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ACT	D [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

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: 2.44 Å
• R-Value Free: 0.197 
• R-Value Work: 0.161 
• R-Value Observed: 0.163 
• Space Group: P 6₁ 2 2
• Diffraction Data: https://doi.org/10.18430/M33I1I

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 123.221	α = 90
b = 123.221	β = 90
c = 295.169	γ = 120

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
SHELXD	phasing
MLPHARE	phasing
DM	phasing
SOLVE	phasing
RESOLVE	phasing
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-07-07 
Deposition Author(s): Osipiuk, J., Zhou, M., Grimshaw, S., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2009-07-07
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2017-11-01
  Changes: Refinement description