X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 283.0
Details 2.2 M ammonium sulphate, 4% MPD, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 283K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 68.99 α = 90
b = 117.46 β = 90
c = 40.16 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2.1 20 98.2 0.056 -- -- 5.5 -- n/a 0.0 0.0 20.4
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.1 2.2 94.0 0.28 -- -- -- --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
-- 2.1 19.96 -- 0.0 -- 19374 1903 98.2 -- 0.161 0.161 0.215 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.1 2.23 -- 334 2778 0.172 0.235 0.013 96.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 20.6
Anisotropic B[1][1] 0.96
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.18
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.78
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 23.0
c_bond_d 0.013
c_mcangle_it 1.79
c_angle_deg 1.7
c_improper_angle_d 1.1
c_scangle_it 2.83
c_mcbond_it 1.31
c_scbond_it 2.15
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.06
Luzzati Resolution Cutoff (Low) 20.0
Luzzati ESD (R-Free Set) 0.25
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2181
Nucleic Acid Atoms 0
Heterogen Atoms 128
Solvent Atoms 304

Software

Software
Software Name Purpose
PHASES phasing
CNS refinement version: 0.9
DENZO data reduction
SCALEPACK data scaling