X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 10 MG/ML PROTEIN IN 20-24% PEG 8000, 2.5% 2-PROPANOL, 10MM CACL2 AND 0.1M TRIS HCL BUFFER, PH 7.5-8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.06 α = 90
b = 77.28 β = 90
c = 106.4 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-02-01
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
2.5 15 97.0 0.08 0.1 -- 2.1 -- 11630 -- 2.0 --

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
-- 2.5 8.0 -- 2.0 -- -- 981 -- -- 0.247 0.247 0.275 RANDOM
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2722
Nucleic Acid Atoms 0
Heterogen Atoms 39
Solvent Atoms 52

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR model building
SCALEPACK data reduction
DENZO data collection