3PCV

Crystal structure analysis of human leukotriene C4 synthase at 1.9 angstrom resolution


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2UUIPDB ENTRY 2UUI

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.52930.1M MES-NaOH (pH 6.5), 1.6M ammonium sulfate, 0.8M magnesium chloride, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
4.9174.77

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 168.0295α = 90
b = 168.0295β = 90
c = 168.0295γ = 90
Symmetry
Space GroupF 2 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2008-09-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL26B20.97SPring-8BL26B2

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
11.920.499.90.089.930950
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)
11.921000.3027.74517

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2UUI1.918.783094929381156899.970.179190.179190.178190.19763RANDOM29.263
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
r_dihedral_angle_2_deg31.661
r_dihedral_angle_4_deg15.514
r_dihedral_angle_3_deg12.317
r_scangle_it6.338
r_scbond_it4.62
r_dihedral_angle_1_deg4.119
r_mcangle_it3.361
r_mcbond_it2.651
r_angle_refined_deg1.174
r_chiral_restr0.086
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.661
r_dihedral_angle_4_deg15.514
r_dihedral_angle_3_deg12.317
r_scangle_it6.338
r_scbond_it4.62
r_dihedral_angle_1_deg4.119
r_mcangle_it3.361
r_mcbond_it2.651
r_angle_refined_deg1.174
r_chiral_restr0.086
r_bond_refined_d0.013
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1110
Nucleic Acid Atoms
Solvent Atoms94
Heterogen Atoms156

Software

Software
Software NamePurpose
BSSdata collection
AMoREphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling