X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 0.15 M CACL2, 0.1 M HEPES (PH 7.5), 4% ISOPROPANOL,

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 72.63 α = 90
b = 72.63 β = 90
c = 168.98 γ = 90
Symmetry
Space Group I 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- --
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F2 0.9638, 0.9790, 0.9793 CHESS F2

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
1.9 20 99.3 -- 0.044 -- 11.2 -- 18253 -- -- --
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)
1.9 2.0 96.7 -- 0.248 3.0 -- --

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
MAD 1.9 20.0 -- 0.0 -- 17266 909 94.0 -- -- 0.212 0.252 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
p_angle_d 0.042
p_bond_d 0.021
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 972
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 129

Software

Software
Software Name Purpose
SHELXL-97 model building
SHARP phasing
REFMAC refinement
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
SHELXL-97 phasing