3B7U

Leukotriene A4 Hydrolase Complexed with KELatorphan


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1liquid-liquid diffusion298CO-CRYSTALLIZED WITH LTA4H BY LIQUID-LIQUID DIFFUSION IN MELTING-POINT CAPILLARIES. A TRIS-BUFFERED (10 mM, PH 7.5) SOLUTION OF PROTEIN AND INHIBITOR IN APPROXIMATELY EQUIMOLAR CONCENTRATIONS (~70 MICROM) WAS LAYERED ON THE PRECIPITATE SOLUTION CONTAINING 28% (WEIGHT/VOLUME) POLYETHYLENE GLYCOL (MW 8000), 50 mM NA ACETATE, 100 mM IMIDAZOLE, PH 6.8, AND 5 MM YBCL3, liquid-liquid diffusion, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.448.76

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 77.829α = 90
b = 87.136β = 90
c = 99.191γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2005-10-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX II BEAMLINE I7110.97MAX III711

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
11.914.66797.50.0950.0954.93.5523642
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)
1.92960.2520.2521.22.57424

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUTpdb entry 1H191.914.66752364172797.40.1880.1880.170.217RANDOM13.546
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]
0.35-1.190.83
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg6.162
r_angle_refined_deg1.77
r_chiral_restr0.137
r_bond_refined_d0.021
r_gen_planes_refined0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4877
Nucleic Acid Atoms
Solvent Atoms424
Heterogen Atoms30

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
XFITdata reduction