2GEK

Crystal Structure of phosphatidylinositol mannosyltransferase (PimA) from Mycobacterium smegmatis in complex with GDP


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.529110 MG/ML PIMA, 1 mM GDP, 10-18% PEG 8000, 200 mM CALCIUM ACETATE, 50 mM HEPES pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.2545.42

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 37.176α = 90
b = 72.425β = 90
c = 138.23γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42004-06-13MSINGLE WAVELENGTH
21x-ray100CCDMARRESEARCH2005-07-31MMAD
31
1,21
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-10.934000ESRFID14-1
2SYNCHROTRONSLS BEAMLINE X06SA0.979106, 0.979261, 0.97181SLSX06SA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
1,22.437.16599.70.0580.05893.4152291522911
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1,22.42.531001000.3130.3132.43.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT2.429.8271520215202109099.470.1960.1960.1910.259RANDOM36.819
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]
1.21-0.94-0.26
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.634
r_dihedral_angle_4_deg19.226
r_dihedral_angle_3_deg18.446
r_dihedral_angle_1_deg6.694
r_scangle_it3.426
r_scbond_it2.263
r_angle_refined_deg1.857
r_mcangle_it1.279
r_mcbond_it0.863
r_nbtor_refined0.307
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.634
r_dihedral_angle_4_deg19.226
r_dihedral_angle_3_deg18.446
r_dihedral_angle_1_deg6.694
r_scangle_it3.426
r_scbond_it2.263
r_angle_refined_deg1.857
r_mcangle_it1.279
r_mcbond_it0.863
r_nbtor_refined0.307
r_symmetry_vdw_refined0.241
r_nbd_refined0.233
r_xyhbond_nbd_refined0.179
r_symmetry_hbond_refined0.153
r_chiral_restr0.123
r_bond_refined_d0.017
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2656
Nucleic Acid Atoms
Solvent Atoms49
Heterogen Atoms28

Software

Software
Software NamePurpose
SCALAdata scaling
AMoREphasing
SHARPphasing
SOLOMONphasing
REFMACrefinement
PDB_EXTRACTdata extraction
MOSFLMdata reduction
CCP4data scaling