4FJW

Crystal Structure of the apo form of the E131Q Mtb crotonase

• PDB DOI: https://doi.org/10.2210/pdb4FJW/pdb

• Classification: LYASE
• Organism(s): Mycobacterium tuberculosis
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2012-06-12 Released: 2013-05-22 
• Deposition Author(s): Bruning, J.B., Delgado, E., Ghosh, S., Sacchettini, J.C., TB Structural Genomics Consortium (TBSGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.262 
• R-Value Work: 0.209 
• R-Value Observed: 0.212 

Starting Model: experimental

Literature

Crystal Structure and Mechanism of the Prokaryotic Crotonase

Bruning, J.B., Delgado, E., Ghosh, S., Sacchettini, J.C.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 81.9 kDa 
• Atom Count: 6,101 
• Modelled Residue Count: 764 
• Deposited Residue Count: 771 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Probable enoyl-CoA hydratase echA8	A [auth D], B [auth E], C [auth F]	257	Mycobacterium tuberculosis	Mutation(s): 1  Gene Names: echA8, MT1100, MTV017.23c, Rv1070c EC: 4.2.1.17
UniProt
Find proteins for P9WNN9 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WNN9  Go to UniProtKB:  P9WNN9

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.262 
• R-Value Work: 0.209 
• R-Value Observed: 0.212 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 134.701	α = 90
b = 134.044	β = 90
c = 101.544	γ = 90

Software Package:

Software Name	Purpose
d*TREK	data scaling
d*TREK	data reduction
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-05-22 
Deposition Author(s): Bruning, J.B., Delgado, E., Ghosh, S., Sacchettini, J.C., TB Structural Genomics Consortium (TBSGC)

Revision History  

• Version 1.0: 2013-05-22
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Refinement description