2C2X

Three dimensional structure of bifunctional methylenetetrahydrofolate dehydrogenase-cyclohydrolase from Mycobacterium tuberculosis

• PDB DOI: https://doi.org/10.2210/pdb2C2X/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2005-09-30 Released: 2005-10-13 
• Deposition Author(s): Javid-Majd, F., Sacchettini, J.C., TB Structural Genomics Consortium (TBSGC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.248 
• R-Value Work: 0.206 
• R-Value Observed: 0.208 

Literature

Three Dimensional Structure of Bifunctional Methylenetetrahydrofolate Dehydrogenase- Cyclohydrolase from Mycobacterium tuberculosis

Javid-Majd, F., Sacchettini, J.C.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 58.98 kDa 
• Atom Count: 4,384 
• Modelled Residue Count: 560 
• Deposited Residue Count: 562 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
METHYLENETETRAHYDROFOLATE DEHYDROGENASE-METHENYLTETRAHYDROFOLATE CYCLOHYDROLASE	A, B	281	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  EC: 1.5.1.5 (PDB Primary Data), 3.5.4.9 (PDB Primary Data)
UniProt
Find proteins for P9WG81 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WG81  Go to UniProtKB:  P9WG81

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.248 
• R-Value Work: 0.206 
• R-Value Observed: 0.208 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 59.511	α = 90
b = 86.76	β = 90
c = 111.539	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-10-13 
Deposition Author(s): Javid-Majd, F., Sacchettini, J.C., TB Structural Genomics Consortium (TBSGC)

Revision History  

• Version 1.0: 2005-10-13
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2018-02-28
  Changes: Database references, Source and taxonomy
• Version 1.3: 2019-08-21
  Changes: Data collection, Database references
• Version 1.4: 2023-12-13
  Changes: Data collection, Database references, Other, Refinement description