X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 295.0
Details Sodium Citrate, Tris, Sodium Chloride, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.65 α = 90
b = 118.39 β = 90
c = 153.78 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 double crystal monochromater 2000-11-16
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 0.9795 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
2.31 18 99.2 -- -- -- -- 65857 65330 2.0 2.0 --
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)
2.31 2.38 99.8 -- -- -- -- --

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 2.31 18.0 -- 0.0 65330 64644 3235 -- -- 0.223 0.214 0.254 random
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.124
c_bond_d 0.0066
c_dihedral_angle_d 22.0177
c_angle_deg 1.426
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7273
Nucleic Acid Atoms 0
Heterogen Atoms 90
Solvent Atoms 232

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
AMoRE phasing
CNS refinement
CCP4 data scaling version: (SCALA)