2C2Y | pdb_00002c2y

Three Dimensional Structure of bifunctional methylenetetrahydrofolate dehydrogenase-cyclohydrolase from Mycobacterium tuberculosis

• PDB DOI: https://doi.org/10.2210/pdb2C2Y/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)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 
  0.239 (Depositor), 0.220 (DCC) 
• R-Value Work: 
  0.192 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.194 (Depositor) 

Starting Model: experimental

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: 29.49 kDa 
• Atom Count: 2,290 
• Modeled Residue Count: 280 
• Deposited Residue Count: 281 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
METHYLENETETRAHYDROFOLATE DEHYDROGENASE-METHENYLTETRAHYDROFOLATE CYCLOHYDROLASE	A	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: 2.30 Å
• R-Value Free:  0.239 (Depositor), 0.220 (DCC) 
• R-Value Work:  0.192 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.194 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.797	α = 90
b = 87.797	β = 90
c = 113.108	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
DENZO	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: 2018-02-28
  Changes: Database references, Source and taxonomy
• Version 1.2: 2018-04-04
  Changes: Data collection
• 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