4RZS

Lac repressor engineered to bind sucralose, unliganded tetramer


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.429816% polyethylene glycol 3350, 200 mM ammonium nitrate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.9458.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91.09α = 90
b = 111.6β = 90
c = 189.33γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2014-10-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.9793APS24-ID-C

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
12.7194.4968.20.06915.193639036390-384.064
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)
12.712.783.10.4613.87

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 REPLACEMENTTHROUGHOUT2.7194.4932745363868.110.20290.19890.2392RANDOM79.965
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]
-0.261.2-0.94
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.38
r_dihedral_angle_4_deg18.222
r_dihedral_angle_3_deg17.819
r_dihedral_angle_1_deg8.01
r_mcangle_it4.665
r_mcbond_it2.835
r_mcbond_other2.835
r_angle_refined_deg1.566
r_angle_other_deg1.109
r_chiral_restr0.075
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.38
r_dihedral_angle_4_deg18.222
r_dihedral_angle_3_deg17.819
r_dihedral_angle_1_deg8.01
r_mcangle_it4.665
r_mcbond_it2.835
r_mcbond_other2.835
r_angle_refined_deg1.566
r_angle_other_deg1.109
r_chiral_restr0.075
r_bond_refined_d0.015
r_gen_planes_refined0.007
r_bond_other_d0.006
r_gen_planes_other0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9420
Nucleic Acid Atoms
Solvent Atoms23
Heterogen Atoms24

Software

Software
Software NamePurpose
XSCALEdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction