Biological Assembly 1  

 3D View: Structure | 1D-3D View | Electron Density | Validation Report | Ligand Interaction

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

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

Macromolecule Content

• Total Structure Weight: 62.42 kDa 
• Atom Count: 4575 
• Modelled Residue Count: 529 
• Deposited Residue Count: 536 
• Unique protein chains: 1

3IJW

Crystal structure of BA2930 in complex with CoA

• PDB DOI: 10.2210/pdb3IJW/pdb

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


• Deposited: 2009-08-05 Released: 2009-10-13 
• Deposition Author(s): Klimecka, M.M., Chruszcz, M., Skarina, T., Onopryienko, O., Cymborowski, M., Savchenko, A., Edwards, A., Anderson, W., Minor, W., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.231 
• R-Value Work: 0.186 
• R-Value Observed: 0.188 

Literature

Structural Analysis of a Putative Aminoglycoside N-Acetyltransferase from Bacillus anthracis.

Klimecka, M.M., Chruszcz, M., Font, J., Skarina, T., Shumilin, I., Onopryienko, O., Porebski, P.J., Cymborowski, M., Zimmerman, M.D., Hasseman, J., Glomski, I.J., Lebioda, L., Savchenko, A., Edwards, A., Minor, W.

(2011) J Mol Biol 410: 411-423

• PubMed: 21601576 
• DOI: 10.1016/j.jmb.2011.04.076
• Primary Citation of Related Structures:  
  3E4F, 3IJW, 3KZL, 3N0M, 3N0S


• PubMed Abstract: 
  

For the last decade, worldwide efforts for the treatment of anthrax infection have focused on developing effective vaccines. Patients that are already infected are still treated traditionally using different types of standard antimicrobial agents. The most popular are antibiotics such as tetracyclines and fluoroquinolones. While aminoglycosides appear to be less effective antimicrobial agents than other antibiotics, synthetic aminoglycosides have been shown to act as potent inhibitors of anthrax lethal factor and may have potential application as antitoxins. Here, we present a structural analysis of the BA2930 protein, a putative aminoglycoside acetyltransferase, which may be a component of the bacterium's aminoglycoside resistance mechanism. The determined structures revealed details of a fold characteristic only for one other protein structure in the Protein Data Bank, namely, YokD from Bacillus subtilis. Both BA2930 and YokD are members of the Antibiotic_NAT superfamily (PF02522). Sequential and structural analyses showed that residues conserved throughout the Antibiotic_NAT superfamily are responsible for the binding of the cofactor acetyl coenzyme A. The interaction of BA2930 with cofactors was characterized by both crystallographic and binding studies.

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Organizational Affiliation: 

Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908, USA.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aminoglycoside N3-acetyltransferase	A, B	268	Bacillus anthracis str. Ames	Mutation(s): 0  Gene Names: aacC7, BA_2930, GBAA2930, GBAA_2930 EC: 2.3.1.81
UniProt
Find proteins for A0A3P1UCA6 (Bacillus anthracis) Explore A0A3P1UCA6  Go to UniProtKB:  A0A3P1UCA6

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ACO	C [auth A], H [auth B]	ACETYL COENZYME *A C23 H38 N7 O17 P3 S ZSLZBFCDCINBPY-ZSJPKINUSA-N
CL	D [auth A], E [auth A], F [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
MG	G [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-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: 1.90 Å
• R-Value Free: 0.231 
• R-Value Work: 0.186 
• R-Value Observed: 0.188 
• Space Group: P 2₁ 2₁ 2₁
• Diffraction Data DOI: 10.18430/M36K5J Protein Diffraction

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 36.854	α = 90
b = 109.957	β = 90
c = 133.565	γ = 90

Software Package:

Software Name	Purpose
HKL-3000	data collection
HKL-3000	phasing
MOLREP	phasing
REFMAC	refinement
Coot	model building
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2009-08-05 
• Released Date: 2009-10-13 
Deposition Author(s): Klimecka, M.M., Chruszcz, M., Skarina, T., Onopryienko, O., Cymborowski, M., Savchenko, A., Edwards, A., Anderson, W., Minor, W., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2009-10-13
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2011-08-03
  Changes: Database references
• Version 1.3: 2022-04-13
  Changes: Database references, Derived calculations, Structure summary