X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 2.2M (NH4)2SO4 IN 100 MM HEPES, PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.6 α = 90
b = 81.7 β = 90
c = 93.8 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1994-12-07
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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 20 74.3 -- 0.061 -- 3.0 -- 14125 -- 0.0 --
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)
2.0 2.1 30.0 -- 0.228 2.5 1.8 --

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
DIFFERENCE FOURIER 2.2 20.0 -- 2.0 -- 12405 -- 82.0 -- -- 0.18 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT BCORREL.DAT
RMS Deviations
Key Refinement Restraint Deviation
t_dihedral_angle_d 20.7
t_gen_planes 0.05
t_angle_deg 1.77
t_it 3.93
t_nbd 0.07
t_bond_d 0.02
t_incorr_chiral_ct 0.0
t_trig_c_planes 0.03
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1980
Nucleic Acid Atoms 0
Heterogen Atoms 44
Solvent Atoms 81

Software

Software
Software Name Purpose
PHASES phasing
TNT refinement
XENGEN data reduction
XENGEN data scaling