6TM3

Structure of methylene-tetrahydromethanopterin dehydrogenase from Methylorubrum extorquens AM1 in a close conformation containing NADP+ and methylene-H4MPT


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1LU9 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8281.15The crystallized sample was 25 mg/ml MtdA supplemented with 2.5 mM methenyl-H4MPT, 2 mM NADPH in 25 mM Tris/HCl pH 7.5, 150 mM NaCl, 5% glycerol and 2 mM dithiothreitol. 0.7 ul protein sample was mixed with 0.7 ul of the reservoir solution containing 30% w/v polyethylene glycol monomethyl ether 5000, 100 mM Tris pH 8.0 and 200 mM lithium sulfate.
Crystal Properties
Matthews coefficientSolvent content
2.6353.22

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 125.754α = 90
b = 125.754β = 90
c = 125.754γ = 90
Symmetry
Space GroupP 41 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2018-02-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SA1.00000SLSX10SA

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
11.0888.92299.60.0490.0510.01625.110143688143688
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)
11.081.1497.61.4031.4031.5780.7050.64.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1LU91.0841.9181.33143278716899.350.11350.11280.12718.0707
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2098
Nucleic Acid Atoms
Solvent Atoms501
Heterogen Atoms144

Software

Software
Software NamePurpose
PHENIXrefinement
SCALAdata scaling
PDB_EXTRACTdata extraction
XDSdata reduction
MOLREPphasing