X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details PROTEIN WAS CRYSTALLIZED FROM 31-35% PEG-400 IN 100 MM HEPES BUFFER, PH 7.8-8.2; 100 MM MGCL2; 1% OCTYL-BETA- D-GLUCOPYRANOSIDE. CRYSTAL SOAKED IN ARTI- FICIAL MOTHER LIQUOR CONTAINING 7.3 MM INOSINE.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 94.2 α = 90
b = 94.2 β = 90
c = 94.2 γ = 90
Symmetry
Space Group P 21 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 296
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XUONG-HAMLIN MULTIWIRE -- 1996-08
Diffraction Radiation
Monochromator Protocol
-- --
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
2 8 89.0 -- -- -- -- -- 15990 -- -- --

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 2.0 8.0 -- 2.0 -- 15990 -- -- -- 0.2 0.2 -- RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.0
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.1
x_bond_d 0.006
x_angle_deg 1.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2194
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 55

Software

Computing
Computing Package Purpose
SDMS Data Reduction (intensity integration)
SDMS Data Reduction (data scaling)
X-PLOR 3.8 Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
X-PLOR version: 3.8 model building