X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6
Temperature 298.0
Details ammonium sulfate, MES buffer, beta-octylglucoside, pH 6.0, VAPOR DIFFUSION at 298K, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 44.51 α = 90
b = 60.65 β = 105.97
c = 43.78 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 MIRRORS 2000-07-24
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B -- NSLS X9B

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
1.5 30 99.9 0.034 -- -- 4.15 -- 17820 -- -- 18.6
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)
1.5 1.58 100.0 0.33 -- -- 4.1 --

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
-- 1.5 10.0 -- 1.0 16273 -- 1478 99.9 -- 0.163 -- 0.231 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 1.8
s_bond_d 0.016
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Number Disordered Residues 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 982
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 170

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHELX Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SHELX model building