3I0P

Crystal structure of malate dehydrogenase from Entamoeba histolytica


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.5289JCSG+ sparse matrix screen condition a2, 20% PEG 3000, 0.1 M Na Citrate pH 5.5, 25% glycerol as cryo-protectant, 30 mg/mL protein, crystal ID 203003a2, VAPOR DIFFUSION, SITTING DROP, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.957.59

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 106.23α = 90
b = 106.23β = 90
c = 72.114γ = 120
Symmetry
Space GroupP 3 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray1002009-05-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL12-20.97946SSRLBL12-2

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
12.638.7899.10.14413.757.514659
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)
12.62.6994.70.5362.185.41371

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1v9n2.638.781465773299.070.1840.1820.232RANDOM27.582
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]
1.40.71.4-2.1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.889
r_dihedral_angle_4_deg17.748
r_dihedral_angle_3_deg16.305
r_dihedral_angle_1_deg5.522
r_scangle_it2.079
r_angle_refined_deg1.208
r_scbond_it1.193
r_mcangle_it0.832
r_mcbond_it0.427
r_chiral_restr0.083
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.889
r_dihedral_angle_4_deg17.748
r_dihedral_angle_3_deg16.305
r_dihedral_angle_1_deg5.522
r_scangle_it2.079
r_angle_refined_deg1.208
r_scbond_it1.193
r_mcangle_it0.832
r_mcbond_it0.427
r_chiral_restr0.083
r_bond_refined_d0.009
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2793
Nucleic Acid Atoms
Solvent Atoms98
Heterogen Atoms50

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
HKL-2000data scaling