3APT

properties and crystal structure of methylenetetrahydrofolate reductase from Thermus thermophilus HB8

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.252 
  • R-Value Work: 0.203 
  • R-Value Observed: 0.205 

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Literature

Properties and Crystal Structure of Methylenetetrahydrofolate Reductase from Thermus thermophilus HB8.

Igari, S., Ohtaki, A., Yamanaka, Y., Sato, Y., Yohda, M., Odaka, M., Noguchi, K., Yamada, K.

(2011) PLoS One 6: e23716-e23716

  • DOI: 10.1371/journal.pone.0023716
  • Primary Citation of Related Structures:  
    3APT, 3APY

  • PubMed Abstract: 

    • Methylenetetrahydrofolate reductase (MTHFR) is one of the enzymes involved in homocysteine metabolism. Despite considerable genetic and clinical attention, the reaction mechanism and regulation of this enzyme are not fully understood because of difficult production and poor stability ...

    Methylenetetrahydrofolate reductase (MTHFR) is one of the enzymes involved in homocysteine metabolism. Despite considerable genetic and clinical attention, the reaction mechanism and regulation of this enzyme are not fully understood because of difficult production and poor stability. While recombinant enzymes from thermophilic organisms are often stable and easy to prepare, properties of thermostable MTHFRs have not yet been reported.

    Organizational Affiliation: 

    Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, Koganei, Tokyo, Japan.



Macromolecules
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(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Methylenetetrahydrofolate reductaseA, B310Thermus thermophilus HB8Mutation(s): 0 
Gene Names: TTHA0327
EC: 1.5.1.20
UniProt
Find proteins for Q5SLG6 (Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8))
Explore Q5SLG6 
Go to UniProtKB:  Q5SLG6
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ5SLG6
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
FAD
Query on FAD
Download Ideal Coordinates CCD File 
C [auth A]FLAVIN-ADENINE DINUCLEOTIDE
C27 H33 N9 O15 P2
VWWQXMAJTJZDQX-UYBVJOGSSA-N		 Ligand Interaction
ACT
Query on ACT
Download Ideal Coordinates CCD File 
D [auth B]ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M		 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.252 
  • R-Value Work: 0.203 
  • R-Value Observed: 0.205 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 43.924α = 90
b = 89.673β = 90
c = 160.72γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
DENZOdata reduction
HKL-2000data scaling
MOLREPphasing

Structure Validation

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Ligand Structure Quality Assessment 


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Entry History 

Deposition Data

  • Deposited Date: 2010-10-20 
  • Released Date: 2011-09-14 
    • Deposition Author(s): Yamada, K.

Revision History  (Full details and data files)

  • Version 1.0: 2011-09-14
    Type: Initial release