3QRV

Crystal structure of plasmepsin I (PMI) from Plasmodium falciparum


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP4.629325% PEG 6000, 0.1M Sodium acetate, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.4249.25

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 72.17α = 90
b = 93.39β = 90
c = 108.87γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate2010-08-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODE1.5418

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
12.44099.50.2059.17.12945329306
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)
12.42.598.30.13131.67.23268

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTTHROUGHOUT2.4302783014651000.210570.206750.28285RANDOM12.989
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]
-3.651.362.29
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.569
r_dihedral_angle_3_deg22.079
r_dihedral_angle_4_deg20.794
r_dihedral_angle_1_deg8.603
r_scangle_it3.789
r_scbond_it2.51
r_angle_refined_deg2.186
r_mcangle_it1.727
r_mcbond_it0.982
r_chiral_restr0.158
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.569
r_dihedral_angle_3_deg22.079
r_dihedral_angle_4_deg20.794
r_dihedral_angle_1_deg8.603
r_scangle_it3.789
r_scbond_it2.51
r_angle_refined_deg2.186
r_mcangle_it1.727
r_mcbond_it0.982
r_chiral_restr0.158
r_bond_refined_d0.023
r_gen_planes_refined0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5191
Nucleic Acid Atoms
Solvent Atoms188
Heterogen Atoms

Software

Software
Software NamePurpose
MAR345dtbdata collection
PHASERphasing
REFMACrefinement
XDSdata reduction
XDSdata scaling