X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
Temperature 296.0
Details 0.1 M Na-Acetate, 15% PEG 4000, 0.1 M MgCl2, VAPOR DIFFUSION, temperature 296K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.2 α = 90
b = 92.46 β = 90
c = 100.45 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRANDEIS - B4 -- 1999-09-23
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 -- NSLS X25

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
2.26 35 96.2 0.051 -- -- 3.5 75617 21897 2.0 2.0 35.9
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)
2.26 2.31 94.1 0.281 -- -- 2.9 --

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
-- 2.26 500.0 2.0 2.0 22143 21293 2100 -- -- -- 0.228 0.272 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.015
c_angle_deg 1.72
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2601
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 167

Software

Software
Software Name Purpose
AMoRE phasing
CNS refinement
MADNES data reduction
SCALEPACK data scaling