X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.8
Temperature 298.0
Details PEG 4000, Tris, Beta-Mercaptoethanol, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.37 α = 90
b = 112.27 β = 93.81
c = 70.69 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 mirrors 1999-04-21
Diffraction Radiation
Monochromator Protocol
Double-Crystal Si 111 crystals MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 0.97887,0.97868,0.95373 SSRL BL9-2

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 24.1 94.8 0.026 -- -- 4.1 56056 56056 2.0 2.0 10.2
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 95.1 0.043 -- -- 4.1 --

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 2.0 30.0 0.0 0.0 60778 56328 5654 93.0 0.166 0.166 0.162 0.249 random
RMS Deviations
Key Refinement Restraint Deviation
t_bond_d 0.014
t_angle_deg 1.859
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7160
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 418

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
FHSCALE Data Reduction (data scaling)
SHARP Structure Solution
TNT Structure Refinement
Software
Software Name Purpose
TNT refinement
SHARP model building