X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 0.7-0.85 M POTASSIUM CHLORIDE, 1.1-1.25 M AMMONIUM SULFATE, 40 MM HEPES, PH 7.0, 5 MM DITHIOTHREITOL, 10 MG/ML PROTEIN, 8M SODIUM FORMATE CRYO-PROTECTANT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.12 α = 90
b = 134.73 β = 90
c = 148.24 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2002-07-14
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
2.1 36.04 98.7 0.079 -- -- 3.76 -- 86154 -- 1.0 29.5773
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)
2.1 2.21 99.5 0.42 -- 1.7 3.78 --

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 2.1 100.0 -- -- -- 81783 4305 98.71 -- -- 0.233 0.2764 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.307
Anisotropic B[1][1] -0.43
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.78
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.36
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8896
Nucleic Acid Atoms 0
Heterogen Atoms 63
Solvent Atoms 341

Software

Software
Software Name Purpose
REFMAC refinement
MOSFLM data reduction
SCALA data scaling
MOLREP phasing version: 7.3.01