X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 20.0
Details PEG 4000, Na-HEPES, ethylene glycol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 20K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.81 α = 90
b = 49.81 β = 90
c = 99.97 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 105
2 105
3 105
4 105
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-06-15
CCD ADSC QUANTUM 4 -- 1999-06-15
CCD ADSC QUANTUM 4 -- 1999-06-15
CCD ADSC QUANTUM 4 -- 1999-06-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL1-5 -- SSRL BL1-5
SYNCHROTRON SSRL BEAMLINE BL1-5 -- SSRL BL1-5
SYNCHROTRON SSRL BEAMLINE BL1-5 -- SSRL BL1-5
SYNCHROTRON SSRL BEAMLINE BL1-5 -- SSRL BL1-5

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
1.8 60 93.6 0.055 -- -- 10.7 25701 24057 0.0 3.0 17.9337
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)
1.8 1.86 68.3 0.22 -- -- 2.0 2560

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
-- 1.8 500.0 -- -- 25723 23618 2241 91.8 -- -- 0.206 0.224 random
RMS Deviations
Key Refinement Restraint Deviation
c_torsion_deg 17.7785
c_angle_deg 1.05835
c_torsion_impr_deg 0.66397
c_bond_d 0.00507
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1210
Nucleic Acid Atoms 0
Heterogen Atoms 16
Solvent Atoms 63

Software

Software
Software Name Purpose
CNS refinement
DENZO data reduction
SCALEPACK data scaling
CNS phasing