4PLV

Crystal structure of ancestral apicomplexan malate dehydrogenase with lactate.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2HJR 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.529320mg/mL protein with 2mM NADH/L-lactate; well solution: 20% (w/v) PEG-1500, 0.1M HEPES, pH7.5
Crystal Properties
Matthews coefficientSolvent content
2.550.77

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 59.336α = 90
b = 136.329β = 108.54
c = 90.81γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray90CCDADSC QUANTUM 315r2012-09-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 12.3.11.115866ALS12.3.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.8550960.09412.34.31121079.91
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.851.9678.12.140.543.1

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 REPLACEMENTFREE R-VALUE2HJR1.8543.3881.33206095326689.220.20250.20180.244940.1117
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_d14.777
f_angle_d1.098
f_chiral_restr0.043
f_bond_d0.008
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9348
Nucleic Acid Atoms
Solvent Atoms461
Heterogen Atoms200

Software

Software
Software NamePurpose
Blu-Icedata collection
XDSdata reduction
PHENIXrefinement
PDB_EXTRACTdata extraction