3QBO | pdb_00003qbo

Crystal structure of phosphoserine aminotransferase from Yersinia pestis CO92

• PDB DOI: https://doi.org/10.2210/pdb3QBO/pdb

• Classification: TRANSFERASE
• Organism(s): Yersinia pestis CO92
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2011-01-13 Released: 2011-02-09 
• Deposition Author(s): Nocek, B., Maltseva, N., Papazisi, L., Anderson, W., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.36 Å
• R-Value Free: 
  0.261 (Depositor), 0.259 (DCC) 
• R-Value Work: 
  0.197 (Depositor), 0.198 (DCC) 
• R-Value Observed: 
  0.200 (Depositor) 

Literature

Crystal structure of phosphoserine aminotransferase from Yersinia pestis CO92

Nocek, B., Maltseva, N., Papazisi, L., Anderson, W., 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: 81.16 kDa 
• Atom Count: 5,801 
• Modeled Residue Count: 717 
• Deposited Residue Count: 728 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphoserine aminotransferase	A, B	364	Yersinia pestis CO92	Mutation(s): 0  EC: 2.6.1.52

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PLP	C [auth A], D [auth B]	PYRIDOXAL-5'-PHOSPHATE C8 H10 N O6 P NGVDGCNFYWLIFO-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.36 Å
• R-Value Free:  0.261 (Depositor), 0.259 (DCC) 
• R-Value Work:  0.197 (Depositor), 0.198 (DCC) 
• R-Value Observed: 0.200 (Depositor) 

Diffraction Data: https://doi.org/10.18430/m33qbo

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.338	α = 90
b = 87.951	β = 90
c = 106.177	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-02-09 
Deposition Author(s): Nocek, B., Maltseva, N., Papazisi, L., Anderson, W., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2011-02-09
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2025-03-26
  Changes: Data collection, Database references, Derived calculations, Structure summary