4E8D

Crystal structure of streptococcal beta-galactosidase


X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficientSolvent content
2.1843.68

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 79.971α = 90
b = 79.3β = 106.94
c = 99.387γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2010-09-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL17U0.9798SSRFBL17U

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.85098.8110056108735-3
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)
11.81.8698.80.070.0714.33.1108735

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3D3A1.846.98108735103282541198.720.175560.173740.20996RANDOM19.555
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]
-1.36-0.21.63-0.38
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.038
r_dihedral_angle_4_deg17.164
r_dihedral_angle_3_deg11.46
r_dihedral_angle_1_deg5.361
r_scangle_it2.314
r_scbond_it1.358
r_angle_refined_deg0.929
r_mcangle_it0.823
r_mcbond_it0.41
r_chiral_restr0.066
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.038
r_dihedral_angle_4_deg17.164
r_dihedral_angle_3_deg11.46
r_dihedral_angle_1_deg5.361
r_scangle_it2.314
r_scbond_it1.358
r_angle_refined_deg0.929
r_mcangle_it0.823
r_mcbond_it0.41
r_chiral_restr0.066
r_bond_refined_d0.005
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9697
Nucleic Acid Atoms
Solvent Atoms871
Heterogen Atoms78

Software

Software
Software NamePurpose
ADSCdata collection
AMoREphasing
REFMACrefinement
HKL-2000data reduction
SCALAdata scaling