X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.2
Temperature 290.0
Details Ammonium sulfate, EDTA, BIS-TRIS, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.27 α = 90
b = 81.27 β = 90
c = 163.66 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 90
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-05-05
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C -- NSLS X8C

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
2.3 50 92.5 0.068 -- -- 10.1 23141 23141 0.0 0.0 24.8
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)
2.3 2.44 69.8 0.37 -- -- 3.8 2863

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
-- 2.3 50.0 0.0 0.0 23141 23141 1586 92.5 0.221 0.221 0.219 0.253 random
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.2
c_dihedral_angle_d 19.6
c_bond_d 0.007
c_improper_angle_d 0.73
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2992
Nucleic Acid Atoms 0
Heterogen Atoms 68
Solvent Atoms 173

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE Structure Solution
CNS 0.4 Structure Refinement
Software
Software Name Purpose
SCALEPACK data reduction
DENZO data collection
CNS version: 0.4 refinement
SOLVE model building