2W0W

Crystal structure of Glmu from Haemophilus influenzae in complex with quinazoline inhibitor 2

• PDB DOI: https://doi.org/10.2210/pdb2W0W/pdb

• Classification: TRANSFERASE
• Organism(s): Haemophilus influenzae
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-10-10 Released: 2009-11-17 
• Deposition Author(s): Mochalkin, I., Melnick, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.59 Å
• R-Value Free: 0.294 
• R-Value Work: 0.248 
• R-Value Observed: 0.250 

Starting Model: experimental

Literature

Discovery and Initial Sar of Quinazoline Inhibitors of Glmu from Haemophilus Influenzae

Melnick, M., Mochalkin, I., Lightle, S., Narasimhan, L., Mcdowell, L., Sarver, R.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 50.14 kDa 
• Atom Count: 3,513 
• Modelled Residue Count: 451 
• Deposited Residue Count: 456 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GLUCOSAMINE-1-PHOSPHATE N-ACETYLTRANSFERASE	A	456	Haemophilus influenzae	Mutation(s): 0  EC: 2.3.1.157 (PDB Primary Data), 2.7.7.23 (UniProt)
UniProt
Find proteins for P43889 (Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)) Explore P43889  Go to UniProtKB:  P43889

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
LZS	B [auth A]	N-{6-(CYCLOPROPYLMETHOXY)-7-METHOXY-2-[6-(2-METHYLPROPYL)-5-OXO-3,4,5,6-TETRAHYDRO-2,6-NAPHTHYRIDIN-2(1H)-YL]QUINAZOLIN-4-YL}-2,2,2-TRIFLUOROETHANESULFONAMIDE C27 H32 F3 N5 O5 S HFFZUKFYGADHSF-UHFFFAOYSA-N
PG4	C [auth A]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.59 Å
• R-Value Free: 0.294 
• R-Value Work: 0.248 
• R-Value Observed: 0.250 
• Space Group: P 6₃ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 107.812	α = 90
b = 107.812	β = 90
c = 234.441	γ = 120

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-11-17 
Deposition Author(s): Mochalkin, I., Melnick, M.

Revision History  

• Version 1.0: 2009-11-17
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2023-12-13
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description