X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 21.0
Details Polyethylene glycol, ammonium sulphate, dithiothreitol, dimethylacetamide, hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 21K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 95.7 α = 90
b = 95.86 β = 90
c = 285.41 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 80
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD CUSTOM-MADE Mirrors 2000-10-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 1.1 NSLS X25

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
2.7 500 83.0 -- 13.6 -- -- 552088 60657 2.0 2.0 --
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)
2.7 1000.0 93.0 -- 13.6 -- -- 60657

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
MIR 2.7 500.0 -- 2.0 73047 49155 2500 -- -- -- 0.2676 0.3043 Random
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.025065
c_angle_d 1.78207
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 13826
Nucleic Acid Atoms 0
Heterogen Atoms 19
Solvent Atoms 0

Software

Software
Software Name Purpose
MLPHARE phasing
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling