3R7T | pdb_00003r7t

Crystal Structure of Adenylosuccinate Synthetase from Campylobacter jejuni

• PDB DOI: https://doi.org/10.2210/pdb3R7T/pdb

• Classification: LIGASE
• Organism(s): Campylobacter jejuni subsp. jejuni NCTC 11168 = ATCC 700819
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2011-03-23 Released: 2011-04-20 
• Deposition Author(s): Kim, Y., Gu, M., Kwon, K., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 
  0.209 (Depositor), 0.205 (DCC) 
• R-Value Work: 
  0.176 (Depositor), 0.172 (DCC) 
• R-Value Observed: 
  0.178 (Depositor) 

Literature

Crystal Structure of Adenylosuccinate Synthetase from Campylobacter jejuni

Kim, Y., Gu, M., Kwon, K., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Macromolecule Content 

• Total Structure Weight: 47.71 kDa 
• Atom Count: 3,597 
• Modeled Residue Count: 408 
• Deposited Residue Count: 419 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Adenylosuccinate synthetase	A	419	Campylobacter jejuni subsp. jejuni NCTC 11168 = ATCC 700819	Mutation(s): 0  Gene Names: Cj1498c, purA EC: 6.3.4.4
UniProt
Find proteins for Q9PMG4 (Campylobacter jejuni subsp. jejuni serotype O:2 (strain ATCC 700819 / NCTC 11168)) Explore Q9PMG4  Go to UniProtKB:  Q9PMG4

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CIT	B [auth A]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N
PGE	C [auth A], D [auth A]	TRIETHYLENE GLYCOL C6 H14 O4 ZIBGPFATKBEMQZ-UHFFFAOYSA-N
PEG	E [auth A], G [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
GOL	F [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	H [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free:  0.209 (Depositor), 0.205 (DCC) 
• R-Value Work:  0.176 (Depositor), 0.172 (DCC) 
• R-Value Observed: 0.178 (Depositor) 

Diffraction Data: https://doi.org/10.18430/m33r7t

Space Group: P 6₄ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 127.232	α = 90
b = 127.232	β = 90
c = 122.25	γ = 120

Software Package:

Software Name	Purpose
SBC-Collect	data collection
HKL-3000	data collection
HKL-3000	phasing
SHELXS	phasing
MLPHARE	phasing
BUCCANEER	model building
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
BUCCANEER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-04-20 
Deposition Author(s): Kim, Y., Gu, M., Kwon, K., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2011-04-20
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Structure summary