X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details DIALYSIS AGAINST 10MM SODIUM PHOSPHATE PH 8.0, CONTAINING 10% ETHANOL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 156.25 α = 90
b = 97.53 β = 90
c = 55.87 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1996-05-01
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
2.2 40 82.3 0.046 -- -- 2.8 -- 36329 -- -- --
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)
2.2 2.3 67.8 0.542 -- 1.5 3.1 --

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
OTHER 2.2 10.0 -- 0.0 32231 -- 3573 82.5 -- 0.181 -- 0.274 EVERY 10TH
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.01
s_bond_d 0.003
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5337
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 294

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (ROTAVATA) Data Reduction (data scaling)
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
ROTAVATA data reduction
DENZO data collection