1GQQ | pdb_00001gqq

MURC - Crystal structure of the apo-enzyme from Haemophilus influenzae

• PDB DOI: https://doi.org/10.2210/pdb1GQQ/pdb

• Classification: CELL WALL BIOSYNTHESIS
• Organism(s): Haemophilus influenzae
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2001-12-03 Released: 2003-06-15 
• Deposition Author(s): Skarzynski, T., Cleasby, A., Domenici, E., Gevi, M., Shaw, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 
  0.286 (Depositor) 
• R-Value Work: 
  0.239 (Depositor) 
• R-Value Observed: 
  0.241 (Depositor) 

Literature

Crystal Structures of Udp-N-Acetylmuramate-L-Alanine Ligase (Murc) from Haemophilus Influenzae

Skarzynski, T., Cleasby, A., Domenici, E., Gevi, M., Shaw, J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PQS (software)

Macromolecule Content 

• Total Structure Weight: 104.11 kDa 
• Atom Count: 6,578 
• Modeled Residue Count: 855 
• Deposited Residue Count: 950 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
UDP-N-ACETYLMURAMATE-L-ALANINE LIGASE	A, B	475	Haemophilus influenzae	Mutation(s): 0  EC: 6.3.2.8
UniProt
Find proteins for P45066 (Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)) Explore P45066  Go to UniProtKB:  P45066

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free:  0.286 (Depositor) 
• R-Value Work:  0.239 (Depositor) 
• R-Value Observed: 0.241 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.508	α = 90
b = 99.485	β = 90
c = 180.59	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-06-15 
Deposition Author(s): Skarzynski, T., Cleasby, A., Domenici, E., Gevi, M., Shaw, J.

Revision History  

• Version 1.0: 2003-06-15
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2018-02-28
  Changes: Source and taxonomy
• Version 1.4: 2024-05-08
  Changes: Data collection, Database references