2FP8

Structure of Strictosidine Synthase, the Biosynthetic Entry to the Monoterpenoid Indole Alkaloid Family


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION7.52950.8M potassium sodium tartrate tetrahydrate, 100mM HEPES-Na, 1mM Tryptamine, pH 7.5, VAPOR DIFFUSION, temperature 295.0K
Crystal Properties
Matthews coefficientSolvent content
3.6265.98

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 147.29α = 90
b = 147.29β = 90
c = 122.331γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2004-03-13MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE BW7A0.9714, 0.9813, 0.9822EMBL/DESY, HAMBURGBW7A

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
12.32099.90.0523.22.445048425942235
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)
12.32.341000.37

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)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 DIFFRACTIONMADTHROUGHOUT2.32024504842594112199.720.1920.188480.187710.21743RANDOM24.775
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]
3.451.723.45-5.17
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg6.772
r_scangle_it4.399
r_scbond_it2.984
r_angle_refined_deg1.528
r_mcangle_it1.247
r_mcbond_it0.642
r_nbd_refined0.225
r_symmetry_vdw_refined0.223
r_xyhbond_nbd_refined0.213
r_symmetry_hbond_refined0.17
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg6.772
r_scangle_it4.399
r_scbond_it2.984
r_angle_refined_deg1.528
r_mcangle_it1.247
r_mcbond_it0.642
r_nbd_refined0.225
r_symmetry_vdw_refined0.223
r_xyhbond_nbd_refined0.213
r_symmetry_hbond_refined0.17
r_chiral_restr0.113
r_bond_refined_d0.016
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4772
Nucleic Acid Atoms
Solvent Atoms401
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
MAR345data collection
SCALEPACKdata scaling
MLPHAREphasing