4ECD

2.5 Angstrom Resolution Crystal Structure of Bifidobacterium longum Chorismate Synthase

• PDB DOI: https://doi.org/10.2210/pdb4ECD/pdb

• Classification: LYASE
• Organism(s): Bifidobacterium longum subsp. infantis ATCC 15697 = JCM 1222 = DSM 20088
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2012-03-26 Released: 2012-04-04 
• Deposition Author(s): Light, S.H., Minasov, G., Krishna, S.N., Shuvalova, L., Kwon, K., Lavie, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.253 
• R-Value Work: 0.197 
• R-Value Observed: 0.200 

Literature

2.5 Angstrom Resolution Crystal Structure of Bifidobacterium longum Chorismate Synthase

Light, S.H., Minasov, G., Krishna, S.N., Shuvalova, L., Kwon, K., Lavie, A., Anderson, W.F.

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: 85.43 kDa 
• Atom Count: 4,151 
• Modelled Residue Count: 542 
• Deposited Residue Count: 796 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chorismate synthase	A, B	398	Bifidobacterium longum subsp. infantis ATCC 15697 = JCM 1222 = DSM 20088	Mutation(s): 0  Gene Names: aroC, BLIJ_1653, Blon_1598 EC: 4.2.3.5
UniProt
Find proteins for B7GS97 (Bifidobacterium longum subsp. infantis (strain ATCC 15697 / DSM 20088 / JCM 1222 / NCTC 11817 / S12)) Explore B7GS97  Go to UniProtKB:  B7GS97

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	C [auth A], D [auth A], E [auth B], F [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.253 
• R-Value Work: 0.197 
• R-Value Observed: 0.200 
• Space Group: P 4₂ 2₁ 2
• Diffraction Data: https://doi.org/10.18430/m34ecd

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 123.944	α = 90
b = 123.944	β = 90
c = 97.884	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-04-04 
Deposition Author(s): Light, S.H., Minasov, G., Krishna, S.N., Shuvalova, L., Kwon, K., Lavie, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2012-04-04
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description