X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 296.7
Details AMMONIUM SULFATE, TCEP, TRIS-HCL, POTASSIUM CHLORIDE, GLYCEROL, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 296.7K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.56 α = 90
b = 176.8 β = 117.67
c = 82.49 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD OTHER -- 1999-02-22
CCD OTHER -- 1999-02-03
CCD OTHER -- 1998-12-11
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
-- SINGLE WAVELENGTH
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B -- NSLS X9B
SYNCHROTRON CHESS BEAMLINE F1 -- CHESS F1
SYNCHROTRON CHESS BEAMLINE A1 -- CHESS A1

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
2.6 20 99.4 0.053 -- -- 3.2 61125 61125 0.0 0.0 60.0
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)
2.6 2.69 99.7 0.294 -- -- 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
-- 2.6 20.0 -- 2.0 61739 57149 5791 -- -- 0.23 0.23 0.304 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.008
c_angle_d 1.57
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9683
Nucleic Acid Atoms 1274
Heterogen Atoms 152
Solvent Atoms 53

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
MLPHARE model building