4BP3

Crystal Structure of Plasmodium Falciparum Spermidine Synthase in Complex with DECARBOXYLATED S-ADENOSYLMETHIONINE5' AND 4- METHYLANILINE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2I7CPDB ENTRY 2I7C

Crystallization

Crystal Properties
Matthews coefficientSolvent content
3.3162.87

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 195.46α = 90
b = 132.79β = 94.86
c = 49.158γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDMARRESEARCH 165 MMMULTILAYER MIRROR2013-06-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX II BEAMLINE I911-2MAX III911-2

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
11.7628.6593.70.0515.423.051183981
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)
11.761.8678.50.392.392.65

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 REPLACEMENTTHROUGHOUTPDB ENTRY 2I7C1.7528.66111410585294.110.18120.179580.21232RANDOM23.628
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]
-0.010.04-0.070.08
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.377
r_dihedral_angle_4_deg19.587
r_dihedral_angle_3_deg14.239
r_dihedral_angle_1_deg6.82
r_angle_refined_deg2.279
r_angle_other_deg0.985
r_chiral_restr0.148
r_bond_refined_d0.024
r_gen_planes_refined0.012
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.377
r_dihedral_angle_4_deg19.587
r_dihedral_angle_3_deg14.239
r_dihedral_angle_1_deg6.82
r_angle_refined_deg2.279
r_angle_other_deg0.985
r_chiral_restr0.148
r_bond_refined_d0.024
r_gen_planes_refined0.012
r_bond_other_d0.001
r_gen_planes_other0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6739
Nucleic Acid Atoms
Solvent Atoms391
Heterogen Atoms136

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
SCALEPACKdata scaling
MOLREPphasing