1BQ6

CHALCONE SYNTHASE FROM ALFALFA WITH COENZYME A


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.5pH 6.5
Crystal Properties
Matthews coefficientSolvent content
2.0742

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 97.631α = 90
b = 97.631β = 90
c = 65.303γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray105IMAGE PLATEMARRESEARCHPT-COATED MIRROR1998-05-19M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-1SSRLBL7-1

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
11.5835.591.50.03523.83.545366
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.581.6269.60.1915.31.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONOTHERFREE RPDB ENTRY 1BI51.561043012226487.50.16780.16540.2116RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
163364.6
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.057
s_anti_bump_dis_restr0.048
s_zero_chiral_vol0.044
s_angle_d0.025
s_from_restr_planes0.025
s_approx_iso_adps0.025
s_similar_adp_cmpnt0.022
s_bond_d0.008
s_rigid_bond_adp_cmpnt0.002
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2989
Nucleic Acid Atoms
Solvent Atoms347
Heterogen Atoms53

Software

Software
Software NamePurpose
SHELXL-97model building
SHELXL-97refinement
DENZOdata reduction
SCALEPACKdata scaling
SHELXL-97phasing