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

Computing
Computing Package Purpose
MADNES Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
AMORE model building