1ZHF

Crystal structure of selenomethionine substituted isoflavanone 4'-O-methyltransferase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION5.5277.16PEG 8000, amonium acetate, DTT, pH 5.5, temperature 277.16K, VAPOR DIFFUSION
Crystal Properties
Matthews coefficientSolvent content
2.9357.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 71.355α = 90
b = 71.355β = 90
c = 188.8γ = 90
Symmetry
Space GroupP 43 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHMirror M1 Double crystal mono. Mirror M2 Distance from source 26m 81 29 m76 32m 71 Focusing type vert. foc. horiz. foc. by sagittal curved 2nd crystal vert. foc. Beam size at sample 0.3x0.3 mm2 Spectral range 8-25 keV Energy resolution 2 e-4 Flux at sample (at 1 A) .2004-03-12MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM30A0.97932, 0.97942, 0.9855ESRFBM30A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.58099.60.127.46147001938016.7
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.52.6699.4

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 DIFFRACTIONMADTHROUGHOUT2.526.7176901470073683.10.2430.2040.2040.237RANDOM29.1
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]
1.841.84-3.69
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.9
c_scangle_it2.74
c_mcangle_it2.28
c_scbond_it1.84
c_mcbond_it1.31
c_angle_deg1.2
c_improper_angle_d0.74
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2819
Nucleic Acid Atoms
Solvent Atoms87
Heterogen Atoms26

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
SOLVEphasing