3GNT

Crystal Structure of the Staphylococcus aureus Enoyl-Acyl Carrier Protein Reductase (FabI) in apo form (two molecules in AU)

• PDB DOI: https://doi.org/10.2210/pdb3GNT/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Staphylococcus aureus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2009-03-18 Released: 2009-10-20 
• Deposition Author(s): Priyadarshi, A., Hwang, K.Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.75 Å
• R-Value Free: 0.278 
• R-Value Work: 0.242 
• R-Value Observed: 0.243 

Starting Model: experimental

Literature

Structural insights into Staphylococcus aureus enoyl-ACP reductase (FabI), in complex with NADP and triclosan.

Priyadarshi, A., Kim, E.E., Hwang, K.Y.

(2010) Proteins 78: 480-486

• PubMed: 19768684 
• DOI: https://doi.org/10.1002/prot.22581
• Primary Citation of Related Structures:  
  3GNS, 3GNT, 3GR6

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Organizational Affiliation: 

Division of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 136-701, South Korea.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 56.05 kDa 
• Atom Count: 3,157 
• Modelled Residue Count: 407 
• Deposited Residue Count: 512 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Enoyl-[acyl-carrier-protein] reductase [NADH]	A, B	256	Staphylococcus aureus	Mutation(s): 0  Gene Names: fabI EC: 1.3.1.9 (PDB Primary Data), 1.3.1.39 (UniProt)
UniProt
Find proteins for Q6GI75 (Staphylococcus aureus (strain MRSA252)) Explore Q6GI75  Go to UniProtKB:  Q6GI75

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.75 Å
• R-Value Free: 0.278 
• R-Value Work: 0.242 
• R-Value Observed: 0.243 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 115.099	α = 90
b = 74.462	β = 119.35
c = 70.609	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-10-20 
Deposition Author(s): Priyadarshi, A., Hwang, K.Y.

Revision History  

• Version 1.0: 2009-10-20
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2014-02-12
  Changes: Database references
• Version 1.3: 2023-11-01
  Changes: Data collection, Database references, Refinement description