5WQS

Crystal structure of Apo Beta-Amylase from Sweet potato


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION7.52930.1M Sodium acetate (pH 5.5), 0.05M Tris (pH 7.5), 0.01M NaCl, 2% Isoproponal, 18% PEG 4000
Crystal Properties
Matthews coefficientSolvent content
2.4549.84

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 128.347α = 90
b = 128.347β = 90
c = 66.701γ = 90
Symmetry
Space GroupP 42 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCDSi 111. Rosenbaum-Rock double-crystal monochromator: liquid nitrogen cooled; sagitally focusing 2nd crystal, Rosenbaum-Rock vertical focusing mirror2015-11-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.0APS22-ID

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
11.990.7699.60.0937.57.84430029
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.9797.80.6830.8336.6

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 REPLACEMENTTHROUGHOUT1FA21.990.7642046221399.170.16780.1660.2021RANDOM33.203
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]
0.010.01-0.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.709
r_dihedral_angle_4_deg17.174
r_dihedral_angle_3_deg14.049
r_dihedral_angle_1_deg6.613
r_mcangle_it3.658
r_mcbond_it2.776
r_mcbond_other2.776
r_angle_refined_deg1.927
r_angle_other_deg1.12
r_chiral_restr0.149
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.709
r_dihedral_angle_4_deg17.174
r_dihedral_angle_3_deg14.049
r_dihedral_angle_1_deg6.613
r_mcangle_it3.658
r_mcbond_it2.776
r_mcbond_other2.776
r_angle_refined_deg1.927
r_angle_other_deg1.12
r_chiral_restr0.149
r_bond_refined_d0.018
r_gen_planes_refined0.01
r_bond_other_d0.002
r_gen_planes_other0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3929
Nucleic Acid Atoms
Solvent Atoms267
Heterogen Atoms4

Software

Software
Software NamePurpose
HKL-2000data collection
HKL-2000data scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction