3AMK

Structure of the Starch Branching Enzyme I (BEI) from Oryza sativa L


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.5293.7pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293.7K
Crystal Properties
Matthews coefficientSolvent content
2.0740.56

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 43.894α = 90
b = 114.854β = 93.98
c = 66.819γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL38B11.000SPring-8BL38B1

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
11.95099.80.0890.089132.55197251972
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)
11.91.9799.40.6110.6111.92.45175

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTTHROUGHOUT1.928.8349319265399.680.182630.18060.22056RANDOM23.665
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]
-0.06-0.030.030.03
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.197
r_dihedral_angle_4_deg16.335
r_dihedral_angle_3_deg13.417
r_dihedral_angle_1_deg5.129
r_scangle_it1.34
r_angle_refined_deg0.965
r_scbond_it0.843
r_mcangle_it0.529
r_mcbond_it0.286
r_chiral_restr0.071
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.197
r_dihedral_angle_4_deg16.335
r_dihedral_angle_3_deg13.417
r_dihedral_angle_1_deg5.129
r_scangle_it1.34
r_angle_refined_deg0.965
r_scbond_it0.843
r_mcangle_it0.529
r_mcbond_it0.286
r_chiral_restr0.071
r_bond_refined_d0.007
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5502
Nucleic Acid Atoms
Solvent Atoms561
Heterogen Atoms46

Software

Software
Software NamePurpose
PHASERphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling