X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details PROTEIN WAS CRYSTALLIZED FROM 100MM HEPES BUFFER, PH 7.5, 20% GLYCEROL, 10 % PEG 8000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.35 α = 90
b = 113.45 β = 90
c = 159.35 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 95
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 -- SSRL BL9-2

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 20 98.0 0.074 -- -- 4.3 -- 20076 -- 0.0 --
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)
-- -- -- 0.3 -- -- -- --

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
MAD 2.99 19.73 -- -- -- 19066 1010 100.0 -- -- 0.219 0.268 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.173
Anisotropic B[1][1] 0.01
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.01
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.02
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5414
Nucleic Acid Atoms 0
Heterogen Atoms 36
Solvent Atoms 346

Software

Software
Software Name Purpose
REFMAC refinement
MOSFLM data reduction
SCALA data scaling