6FCX

Structure of human 5,10-methylenetetrahydrofolate reductase (MTHFR)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP277.150.1M Sodium Citrate tribasic, 22.5% PEG4K, 5% 2-propanol
Crystal Properties
Matthews coefficientSolvent content
3.2462.08

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 97.337α = 90
b = 127.942β = 90
c = 147.015γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2017-01-14MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I04-10.9281DiamondI04-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Rrim I (All)Rpim I (All)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.596.5121000.0860.0930.03412.87.56423347909470.51
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rrim I (All)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.52.641001.3621.3621.4730.5560.67

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT2.563.9710.09122610624799.930.21230.21030.2475
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d9.941
f_angle_d1.296
f_chiral_restr0.067
f_bond_d0.012
f_plane_restr0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8914
Nucleic Acid Atoms
Solvent Atoms72
Heterogen Atoms184

Software

Software
Software NamePurpose
PHENIXrefinement
SCALAdata scaling
PDB_EXTRACTdata extraction
XDSdata reduction
SHELXCDphasing