X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
Temperature 293.0
Details PROTEIN MIXED 1:1 WITH WELL SOLUTION OF 7.2-7.5% PEG 8000, 500MM NACL AND 100 MM MES BUFFER, VAPOR DIFFUSION, HANGING DROP at 293 K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 118.5 α = 90
b = 134.5 β = 90
c = 71.3 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1998-06-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F1 -- CHESS F1

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
2.5 30 98.4 0.109 -- -- 3.0 -- 39407 -- -3.0 53.6
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)
2.5 2.64 99.7 0.815 -- -- 3.0 5757

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
-- 2.5 15.0 -3.0 -- 40011 36050 3639 90.1 0.221 0.221 0.216 0.264 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -12.73
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -23.79
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 36.52
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.007
c_angle_deg 1.22
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5647
Nucleic Acid Atoms 0
Heterogen Atoms 119
Solvent Atoms 77

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building