1V93

5,10-Methylenetetrahydrofolate Reductase from Thermus thermophilus HB8

• PDB DOI: https://doi.org/10.2210/pdb1V93/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Thermus thermophilus HB8
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2004-01-20 Released: 2004-02-03 
• Deposition Author(s): Nakajima, Y., Miyahara, I., Hirotsu, K., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.236 
• R-Value Work: 0.199 

Literature

Crystal Structure of 5,10-Methylenetetrahydrofolate reductase from Thermus thermophilus HB8

Nakajima, Y., Miyahara, I., Hirotsu, 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: 34.37 kDa 
• Atom Count: 2,622 
• Modelled Residue Count: 292 
• Deposited Residue Count: 296 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
5,10-Methylenetetrahydrofolate reductase	A	296	Thermus thermophilus HB8	Mutation(s): 0  EC: 1.7.99.5
UniProt
Find proteins for Q9RA47 (Thermus thermophilus) Explore Q9RA47  Go to UniProtKB:  Q9RA47

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FAD	B [auth A]	FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O15 P2 VWWQXMAJTJZDQX-UYBVJOGSSA-N
DIO	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A]	1,4-DIETHYLENE DIOXIDE C4 H8 O2 RYHBNJHYFVUHQT-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.236 
• R-Value Work: 0.199 
• Space Group: I 2 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 123.937	α = 90
b = 123.937	β = 90
c = 123.937	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing
CNS	refinement
CCP4	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-02-03 
Deposition Author(s): Nakajima, Y., Miyahara, I., Hirotsu, K., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2004-02-03
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2023-10-25
  Changes: Data collection, Database references, Derived calculations, Refinement description