X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 10 MG/ML PROTEIN, 30% PEG 10000, 100 MM SODIUM CACODYLATE, PH = 6.5 200 MM SODIUM ACETATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 40.35 α = 90
b = 64.56 β = 117.83
c = 41.5 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH MIRRORS 2001-02-15
Diffraction Radiation
Monochromator Protocol
SI 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.5 -- SRS PX9.5

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
1.81 14.92 74.5 0.06 -- -- 1.6 -- 6027 -- -- 20.107
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)
1.81 1.91 69.7 0.588 -- 1.6 1.6 --

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 1.81 36.76 -- -- -- 12128 653 74.27 -- 0.18371 0.18 0.25226 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.508
Anisotropic B[1][1] -0.45
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.52
Anisotropic B[2][2] 0.83
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.87
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1526
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 101

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
AMoRE phasing
CCP4 phasing
REFMAC refinement