X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 277.0
Details Isopropanol, cacodylate potassium chloride, magnesium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.43 α = 90
b = 41.43 β = 90
c = 291.34 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR CCD 165 mm -- 2002-03-20
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Si 111 MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 1.200 APS 17-ID
SYNCHROTRON APS BEAMLINE 17-ID 1.2822, 1.2831, 1.2716 APS 17-ID

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
2.7 50 97.2 0.043 -- -- -- -- 4576 -- -3.0 --
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)
2.7 -- 81.0 -- -- -- -- --

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
AB INITIO PHASING 2.8 50.0 -- 2.0 -- 3891 388 94.1 -- -- 0.243 0.312 Random
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.54
c_bond_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 928
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 0

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHARP Structure Solution
CNX Structure Refinement
Software
Software Name Purpose
CNX refinement
SHARP model building
SCALEPACK data reduction
HKL-2000 data collection