X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 10 MG/ML PROTEIN, 10% PEG 10000, 100 MM SODIUM CACODYLATE, PH = 6.5 200 MM ZINC SULPHATE, 10% GLYCEROL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.6 α = 90
b = 58.6 β = 90
c = 152 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- --
CCD MARRESEARCH WAVELENGTH 1.2821 1.2827 1.2703 UNIQUE REFLECTIONS 7465 6156 5610 RESOLUTION HIGH (A) 2.7 2.9 3.02 RESOLUTION LOW (A) 50 50 50 REJECTION NONE NONE NONE COMPLETENESS 97.5 98.0 98.2 REDUNDANCY 6.6 6.7 6.7 R MERGE 0.072 0.089 0.092 7.9 6.5 6.4 HIGHEST RESOLUTION SHELL RESOLUTION HIGH (A) 2.7 2.9 3.02 RESOLUTION LOW (A) 2.85 3.02 3.23 COMPLETENESS 96.9 97.6 97.8 REDUNDANCY 5.9 7.0 6.9 R MERGE 0.397 0.332 0.276 1.8 2.3 2.7 MIRRORS 2001-10-15
Diffraction Radiation
Monochromator Protocol
SI 111 MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --
SYNCHROTRON LURE BEAMLINE DW32 -- LURE DW32

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
2.2 55.05 98.6 0.086 -- -- 16.2 -- 14176 -- -- 53.38
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)
2.2 2.27 92.1 -- -- -- 14.2 --

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 2.4 55.05 -- -- -- 10445 525 99.53 -- 0.273 0.2693 0.35057 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 67.19
Anisotropic B[1][1] 4.99
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.99
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -9.98
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1514
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 28

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHARP Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
SHARP model building