X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

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

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.6 α = 90
b = 84.6 β = 90
c = 91.9 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 -- 1995-09-26
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
2.2 20 87.2 0.08 0.08 -- 3.5 -- 14402 -- -- --
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)
2.2 2.3 78.1 -- 0.277 2.1 2.2 --

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
MOLECULAR REPLACEMENT 2.2 20.0 -- 2.0 -- 13904 -- 84.0 -- -- 0.191 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT BCORREL.DAT
RMS Deviations
Key Refinement Restraint Deviation
t_incorr_chiral_ct 0.0
t_nbd 0.08
t_gen_planes 0.028
t_it 4.42
t_angle_deg 2.3
t_trig_c_planes 0.024
t_bond_d 0.018
t_dihedral_angle_d 20.9
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1970
Nucleic Acid Atoms 0
Heterogen Atoms 44
Solvent Atoms 69

Software

Software
Software Name Purpose
AMoRE phasing
TNT refinement
SADIE data reduction
SAINT data reduction
SAINT data scaling