3NTX

Crystal Structure of L-asparaginase I from Yersinia pestis

• PDB DOI: https://doi.org/10.2210/pdb3NTX/pdb

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


• Deposited: 2010-07-05 Released: 2010-08-04 
• Deposition Author(s): Kim, Y., Gu, M., Hasseman, J., 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: 1.90 Å
• R-Value Free: 0.192 
• R-Value Work: 0.154 
• R-Value Observed: 0.156 

Literature

Crystal Structure of L-asparaginase I from Yersinia pestis

Kim, Y., Gu, M., Hasseman, J., 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)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 75.72 kDa 
• Atom Count: 5,968 
• Modelled Residue Count: 662 
• Deposited Residue Count: 682 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytoplasmic L-asparaginase I	A, B	341	Yersinia pestis CO92	Mutation(s): 0  Gene Names: ansA, y2161, YPO2161, YP_1961 EC: 3.5.1.1
UniProt
Find proteins for A0A3N4B0Q2 (Yersinia pestis) Explore A0A3N4B0Q2  Go to UniProtKB:  A0A3N4B0Q2

Small Molecules

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

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: 1.90 Å
• R-Value Free: 0.192 
• R-Value Work: 0.154 
• R-Value Observed: 0.156 
• Space Group: C 1 2 1
• Diffraction Data: https://doi.org/10.18430/m33ntx

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 125.377	α = 90
b = 109.089	β = 117.63
c = 58.224	γ = 90

Software Package:

Software Name	Purpose
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: 2010-08-04 
Deposition Author(s): Kim, Y., Gu, M., Hasseman, J., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2010-08-04
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-12-27
  Changes: Data collection, Database references, Derived calculations
• Version 1.3: 2024-11-20
  Changes: Structure summary