4M0G

The crystal structure of an adenylosuccinate synthetase from Bacillus anthracis str. Ames Ancestor.

• PDB DOI: https://doi.org/10.2210/pdb4M0G/pdb

• Classification: LIGASE
• Organism(s): Bacillus anthracis str. 'Ames Ancestor
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2013-08-01 Released: 2013-08-14 
• Deposition Author(s): Tan, K., Zhou, M., Zhang, R., Kwon, K., Anderson, W.F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG), Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.243 
• R-Value Work: 0.192 
• R-Value Observed: 0.194 

Literature

The crystal structure of an adenylosuccinate synthetase from Bacillus anthracis str. Ames Ancestor.

Tan, K., Zhou, M., Zhang, R., Kwon, K., 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 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 95.99 kDa 
• Atom Count: 6,677 
• Modelled Residue Count: 837 
• Deposited Residue Count: 864 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Adenylosuccinate synthetase	A, B	432	Bacillus anthracis str. 'Ames Ancestor	Mutation(s): 1  Gene Names: BAS5320, BA_5716, GBAA_5716, purA EC: 6.3.4.4
UniProt
Find proteins for Q81JI9 (Bacillus anthracis) Explore Q81JI9  Go to UniProtKB:  Q81JI9

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	C [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-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: 2.15 Å
• R-Value Free: 0.243 
• R-Value Work: 0.192 
• R-Value Observed: 0.194 
• Space Group: P 4₁ 2₁ 2
• Diffraction Data: https://doi.org/10.18430/m34m0g

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.498	α = 90
b = 76.498	β = 90
c = 342.797	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
SHELXD	phasing
MLPHARE	phasing
DM	model building
ARP	model building
WARP	model building
HKL-3000	phasing
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
DM	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-08-14 
Deposition Author(s): Tan, K., Zhou, M., Zhang, R., Kwon, K., Anderson, W.F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG), Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2013-08-14
  Type: Initial release
  
• Version 1.1: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary