5KCK | pdb_00005kck

Crystal structure of anthranilate synthase component I from Streptococcus pneumoniae TIGR4

• PDB DOI: https://doi.org/10.2210/pdb5KCK/pdb

• Classification: LYASE
• Organism(s): Streptococcus pneumoniae TIGR4
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 


• Deposited: 2016-06-06 Released: 2016-06-22 
• Deposition Author(s): Chang, C., Michalska, K., Bigelow, L., Jedrzejczak, R., 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: 2.20 Å
• R-Value Free: 
  0.224 (Depositor), 0.226 (DCC) 
• R-Value Work: 
  0.182 (Depositor), 0.183 (DCC) 
• R-Value Observed: 
  0.184 (Depositor) 

Literature

Crystal structure of anthranilate synthase component I from Streptococcus pneumoniae TIGR4

Chang, C., Michalska, K., Bigelow, L., Jedrzejczak, R., 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: 51.7 kDa 
• Atom Count: 3,598 
• Modeled Residue Count: 435 
• Deposited Residue Count: 450 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Anthranilate synthase component I	A	450	Streptococcus pneumoniae TIGR4	Mutation(s): 0  Gene Names: trpE, SP_1817 EC: 4.1.3.27
UniProt
Find proteins for A0A0H2URN1 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)) Explore A0A0H2URN1  Go to UniProtKB:  A0A0H2URN1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	B [auth A], C [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

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: 2.20 Å
• R-Value Free:  0.224 (Depositor), 0.226 (DCC) 
• R-Value Work:  0.182 (Depositor), 0.183 (DCC) 
• R-Value Observed: 0.184 (Depositor) 

Diffraction Data: https://doi.org/10.18430/m35kck

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 120.946	α = 90
b = 86.127	β = 93.45
c = 55.792	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
HKL-3000	data reduction
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-06-22 
Deposition Author(s): Chang, C., Michalska, K., Bigelow, L., Jedrzejczak, R., ANDERSON, W.F., JOACHIMIAK, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2016-06-22
  Type: Initial release
  
• Version 1.1: 2024-10-23
  Changes: Data collection, Database references, Derived calculations, Structure summary