1XL9

Crystal Structure of Dihydrodipicolinate Synthase DapA-2 (BA3935) from Bacillus Anthracis.

• PDB DOI: https://doi.org/10.2210/pdb1XL9/pdb

• Classification: LYASE
• Organism(s): Bacillus anthracis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2004-09-30 Released: 2005-10-04 
• Deposition Author(s): Blagova, E., Levdikov, V., Milioti, N., Fogg, M.J., Kalliomaa, A.K., Brannigan, J.A., Wilson, K.S., Wilkinson, A.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.23 Å
• R-Value Free: 0.254 
• R-Value Work: 0.194 
• R-Value Observed: 0.197 

Starting Model: experimental

Literature

Crystal structure of dihydrodipicolinate synthase (BA3935) from Bacillus anthracis at 1.94 A resolution.

Blagova, E., Levdikov, V., Milioti, N., Fogg, M.J., Kalliomaa, A.K., Brannigan, J.A., Wilson, K.S., Wilkinson, A.J.

(2006) Proteins 62: 297-301

• PubMed: 16287120 
• DOI: https://doi.org/10.1002/prot.20684
• Primary Citation of Related Structures:  
  1XKY, 1XL9

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Organizational Affiliation: 

Department of Chemistry, University of York, York, United Kingdom.

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: 129.28 kDa 
• Atom Count: 9,535 
• Modelled Residue Count: 1,168 
• Deposited Residue Count: 1,204 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
dihydrodipicolinate synthase	A, B, C, D	301	Bacillus anthracis	Mutation(s): 0  Gene Names: DapA-2 EC: 4.2.1.52 (PDB Primary Data), 4.3.3.7 (UniProt)
UniProt
Find proteins for A0A6L7H340 (Bacillus anthracis) Explore A0A6L7H340  Go to UniProtKB:  A0A6L7H340

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.23 Å
• R-Value Free: 0.254 
• R-Value Work: 0.194 
• R-Value Observed: 0.197 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.463	α = 90
b = 126.564	β = 90
c = 134.636	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-10-04 
Deposition Author(s): Blagova, E., Levdikov, V., Milioti, N., Fogg, M.J., Kalliomaa, A.K., Brannigan, J.A., Wilson, K.S., Wilkinson, A.J.

Revision History  

• Version 1.0: 2005-10-04
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-08-23
  Changes: Data collection, Database references, Refinement description