4M9D

The Crystal structure of an adenylosuccinate synthetase from Bacillus anthracis str. Ames Ancestor in complex with AMP.

• PDB DOI:  https://doi.org/10.2210/pdb4M9D/pdb

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


• Deposited: 2013-08-14 Released: 2013-08-28 
• Deposition Author(s): Tan, K., Zhou, M., Kwon, K., 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: 1.82 Å
• R-Value Free: 0.182 
• R-Value Work: 0.153 
• R-Value Observed: 0.155 

Literature

The Crystal structure of an adenylosuccinate synthetase from Bacillus anthracis str. Ames Ancestor in complex with AMP.

Tan, K., Zhou, M., Kwon, K., Anderson, W.F., Joachimiak, A.

To be published.

Biological Assembly 1  

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: 97.56 kDa 
• Atom Count: 7,268 
• Modelled Residue Count: 854 
• 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 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
AMP	C [auth A], H [auth B]	ADENOSINE MONOPHOSPHATE C10 H14 N5 O7 P UDMBCSSLTHHNCD-KQYNXXCUSA-N
MLI	D [auth A], I [auth B], J [auth B]	MALONATE ION C3 H2 O4 OFOBLEOULBTSOW-UHFFFAOYSA-L
PO4	Q [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
EDO	E [auth A], F [auth A], K [auth B], L [auth B], M [auth B], N [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
FMT	G [auth A], O [auth B], P [auth B]	FORMIC ACID C H2 O2 BDAGIHXWWSANSR-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: 1.82 Å
• R-Value Free: 0.182 
• R-Value Work: 0.153 
• R-Value Observed: 0.155 
• Space Group: C 2 2 2₁
• Diffraction Data: https://doi.org/10.18430/M34M9D

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 128.045	α = 90
b = 255.947	β = 90
c = 61.131	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
MOLREP	phasing
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-08-28 
Deposition Author(s): Tan, K., Zhou, M., Kwon, K., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2013-08-28
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description