X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 0.1M HEPES, PH 7.5, 12% PEG 8K, 8% ETHYLENE GLYCOL CRYSTALS SOAKED IN 1MM LIGAND FOR 1 HOUR

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.45 α = 90
b = 77.45 β = 90
c = 122.16 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 CCD -- 2000-03-03
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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 41 100.0 0.082 0.082 -- 7.0 -- 25874 -- 6.0 43.0
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)
2.0 2.11 100.0 0.952 0.952 1.7 6.4 --

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 2.0 65.94 -- 0.0 -- 24505 1310 97.8 -- 0.19286 0.19159 0.21723 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 44.384
Anisotropic B[1][1] 1.55
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.55
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.09
RMS Deviations
Key Refinement Restraint Deviation
p_chiral_restr 0.16
p_mcangle_it 2.9
p_bond_d 0.037
p_scbond_it 4.2
p_scangle_it 6.6
p_plane_restr 0.011
p_mcbond_it 1.6
p_angle_d 2.46
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2114
Nucleic Acid Atoms 0
Heterogen Atoms 36
Solvent Atoms 129

Software

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