X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 17 MG/ML PROTEIN, 2% PEG4000, .25 M AMMONIUM PHOSPHATE, PH 8.0, 33% SATURATED AMMONIUM SULFATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 186.15 α = 90
b = 186.15 β = 90
c = 120.29 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 273
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS 0.3 MM COLLIMATOR 1996-03
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
3.2 42.3 88.0 0.12 0.12 -- -- -- 31648 -- 0.5 --
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)
3.2 3.3 60.0 0.19 0.19 1.8 -- --

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
MOLECULAR REPLACEMENT 3.2 7.0 -- 1.0 -- 30519 -- 84.0 -- 0.205 0.205 0.242 RANDOM
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6698
Nucleic Acid Atoms 0
Heterogen Atoms 116
Solvent Atoms 87

Software

Computing
Computing Package Purpose
XENGEN Data Reduction (intensity integration)
SCALEK Data Reduction (data scaling)
X-PLOR 3.84 Structure Solution
X-PLOR 3.84 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.84 refinement
X-PLOR version: 3.84 model building
SCALEK data reduction
XENGEN data collection