3WEW

Crystal structure of HtdX (Rv0241c) of Mycobacterium tuberculosis at 2.4 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3WEW/pdb

• Classification: LYASE
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-07-16 Released: 2014-07-16 
• Deposition Author(s): Biswas, R., Dutta, D., Das, A.K.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.230 
• R-Value Work: 0.165 
• R-Value Observed: 0.168 

Literature

Crystal structure of a putative dehydratase HtdX of Mycobacterium tuberculosis

Biswas, R., Dutta, D., Das, A.K.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 28.18 kDa 
• Atom Count: 1,836 
• Modelled Residue Count: 233 
• Deposited Residue Count: 258 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HtdX dehydratase	A	258	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  Gene Names: Rv0242c, RVBD_0241c
UniProt
Find proteins for O53664 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore O53664  Go to UniProtKB:  O53664

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.230 
• R-Value Work: 0.165 
• R-Value Observed: 0.168 
• Space Group: I 4₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 61.504	α = 90
b = 61.504	β = 90
c = 143.803	γ = 90

Software Package:

Software Name	Purpose
SCALA	data scaling
SHARP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
StructureStudio	data collection
XSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-07-16 
Deposition Author(s): Biswas, R., Dutta, D., Das, A.K.

Revision History  

• Version 1.0: 2014-07-16
  Type: Initial release
  
• Version 1.1: 2024-03-20
  Changes: Data collection, Database references, Derived calculations