X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help


Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.3
Temperature 293.0
Details 3.2 M Ammonium Sulfate, Tris.buffer, pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.96 α = 90
b = 61.45 β = 90
c = 57.04 γ = 90
Space Group P 21 21 21


Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XENTRONICS Graphite Monochomator 1991-02-04
Diffraction Radiation
Monochromator Protocol
Single Crystal Graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline

Data Collection

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 8 90.0 0.06 -- -- 1.5 13000 9294 4.0 2.0 15.0
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 8.0 98.0 0.06 -- -- 1.5 --


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 2.0 8.0 2.0 4.0 13000 9294 -- -- 0.22 0.172 0.172 -- Rfree Not available at that time
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 13.5
RMS Deviations
Key Refinement Restraint Deviation
p_angle_d 2.6
p_bond_d 0.01
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1100
Nucleic Acid Atoms 0
Heterogen Atoms 31
Solvent Atoms 142


Computing Package Purpose
FRAMBO Data Reduction (intensity integration)
XENGEN Data Reduction (data scaling)
MERLOT Structure Solution
PROFFT Structure Refinement
Software Name Purpose
PROFFT refinement
MERLOT model building