3A7D

Crystal Structures of rat Catechol-O-Methyltransferase complexed with new bi-substrate type inhibitor


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.52930.2M (NH4)2SO4, 0.1M Tris pH 7.5, 30% (w/v) PEG 400, 0.35% (v/v) glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.3146.78

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.075α = 90
b = 58.082β = 90
c = 79.198γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU JUPITER 2102009-04-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL32B21.0SPring-8BL32B2

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
12.446.896.20.0720.07827.97.29108946835
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)
2.42.5396.10.2180.2369.17.21282

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 1VID2.410806489196.180.166010.15920.22466RANDOM33.684
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]
-0.491.23-0.74
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.44
r_dihedral_angle_3_deg14.91
r_dihedral_angle_4_deg11.646
r_scangle_it5.191
r_dihedral_angle_1_deg4.87
r_scbond_it3.297
r_mcangle_it1.828
r_angle_refined_deg1.181
r_mcbond_it0.954
r_chiral_restr0.069
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.44
r_dihedral_angle_3_deg14.91
r_dihedral_angle_4_deg11.646
r_scangle_it5.191
r_dihedral_angle_1_deg4.87
r_scbond_it3.297
r_mcangle_it1.828
r_angle_refined_deg1.181
r_mcbond_it0.954
r_chiral_restr0.069
r_bond_refined_d0.007
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1676
Nucleic Acid Atoms
Solvent Atoms93
Heterogen Atoms49

Software

Software
Software NamePurpose
BSSdata collection
AMoREphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling