X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 294.0
Details 0.1M MES pH6.5, 10% w/v polyethylene glycol 20000, 3% w/v 1,6-hexandiol, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 125.77 α = 90
b = 53.17 β = 90
c = 54.26 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-10-21
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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
1.6 25 96.6 0.043 -- -- 9.4 49560 47875 0.0 0.0 20.694
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)
1.6 1.66 86.0 0.29 -- -- 4.3 4227

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
-- 1.6 25.0 0.0 1.0 49234 47560 2378 96.6 0.193 0.193 0.19 0.251 5% of the observed data
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.013
p_angle_d 1.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2417
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 432

Software

Software
Software Name Purpose
SHARP phasing
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling