3THA

Tryptophan synthase subunit alpha from Campylobacter jejuni.

• PDB DOI: https://doi.org/10.2210/pdb3THA/pdb

• Classification: LYASE
• Organism(s): Campylobacter jejuni subsp. jejuni NCTC 11168 = ATCC 700819
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2011-08-18 Released: 2011-08-31 
• Deposition Author(s): Osipiuk, J., Gu, 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: 2.37 Å
• R-Value Free: 0.263 
• R-Value Work: 0.216 
• R-Value Observed: 0.218 

Literature

Tryptophan synthase subunit alpha from Campylobacter jejuni.

Osipiuk, J., Gu, M., 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 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 56.93 kDa 
• Atom Count: 3,971 
• Modelled Residue Count: 497 
• Deposited Residue Count: 504 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tryptophan synthase alpha chain	A, B	252	Campylobacter jejuni subsp. jejuni NCTC 11168 = ATCC 700819	Mutation(s): 0  Gene Names: Cj0349, trpA EC: 4.2.1.20
UniProt
Find proteins for Q9PIF1 (Campylobacter jejuni subsp. jejuni serotype O:2 (strain ATCC 700819 / NCTC 11168)) Explore Q9PIF1  Go to UniProtKB:  Q9PIF1

Small Molecules

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: 2.37 Å
• R-Value Free: 0.263 
• R-Value Work: 0.216 
• R-Value Observed: 0.218 
• Space Group: P 3₁ 2 1
• Diffraction Data: https://doi.org/10.18430/m33tha

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 91.969	α = 90
b = 91.969	β = 90
c = 120.02	γ = 120

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-08-31 
Deposition Author(s): Osipiuk, J., Gu, M., Kwon, K., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2011-08-31
  Type: Initial release