6PEY

MTHFR with mutation Asp120Ala

• PDB DOI: https://doi.org/10.2210/pdb6PEY/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2019-06-21 Released: 2019-09-25 
• Deposition Author(s): Gallagher, E.L., Gurney, L.A., Frasco, F.G., Trimmer, E., Bolen, R.L., Collins, K., Garland, E., Halloran, J., Handley-Pendelton, J., Hernandez, V., Leffler, S., Perez, A., Soares, A., Stojanoff, V., Williams, D.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), Department of Energy (DOE, United States)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.88 Å
• R-Value Free: 0.236 
• R-Value Work: 0.188 
• R-Value Observed: 0.191 

Literature

Examination of Asp120Ala a Chemically Important Novel Mutation in the Enzyme Mthylenetetrahydrofolate Reductase

Gallagher, E.L., Gurney, L.A., Frasco, F.G., Bolen, R.L., Garland, E., Halloran, J., Handley-Pendelton, J., Hernandez, V., Leffler, S., Perez, A., Soares, A., Stojanoff, V., Williams, D.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

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

Biological assembly 4 generated by PISA (software)

Biological Assembly 5  

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

Biological assembly 5 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 104.87 kDa 
• Atom Count: 6,631 
• Modelled Residue Count: 848 
• Deposited Residue Count: 912 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Methylenetetrahydrofolate reductase	A, B, C	304	Escherichia coli	Mutation(s): 1  EC: 1.5.1.20
UniProt
Find proteins for P0AEZ1 (Escherichia coli (strain K12)) Explore P0AEZ1  Go to UniProtKB:  P0AEZ1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FAD (Subject of Investigation/LOI)	D [auth A], E [auth B], F [auth C]	FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O15 P2 VWWQXMAJTJZDQX-UYBVJOGSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.88 Å
• R-Value Free: 0.236 
• R-Value Work: 0.188 
• R-Value Observed: 0.191 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 102.747	α = 90
b = 127.744	β = 120.9
c = 95.456	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-09-25 
Deposition Author(s): Gallagher, E.L., Gurney, L.A., Frasco, F.G., Trimmer, E., Bolen, R.L., Collins, K., Garland, E., Halloran, J., Handley-Pendelton, J., Hernandez, V., Leffler, S., Perez, A., Soares, A., Stojanoff, V., Williams, D.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	P41GM111244
Department of Energy (DOE, United States)	United States	DE-SC0012704
Department of Energy (DOE, United States)	United States	KP1605010

Revision History  

• Version 1.0: 2019-09-25
  Type: Initial release
  
• Version 1.1: 2019-12-04
  Changes: Author supporting evidence
• Version 1.2: 2023-10-11
  Changes: Data collection, Database references, Refinement description