X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details HANGING DROP, RESERVOIR: 10%W/V PEG 6K, 2 M NACL, PH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.19 α = 90
b = 79.19 β = 90
c = 79.19 γ = 90
Symmetry
Space Group P 41 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 114
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- 2003-02-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 -- SSRL BL9-1

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
1.92 39.6 100.0 0.059 -- -- 12.3 -- 6964 -- 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
MOLECULAR REPLACEMENT 1.92 55.9 -- -- -- 6604 330 99.83 -- 0.2273 0.23784 0.2842 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 38.726
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 496
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 27

Software

Computing
Computing Package Purpose
CRYSTALCLEAR (MSC/RIGAKU) Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
MOLREP model building