X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Details PROTEIN/DNA COMPLEX WAS CRYSTALLISED FROM 0.85M SODIUM ACETATE BUFFERED WITH 100MM IMIDAZOLE AT PH 6.5, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 148 α = 90
b = 148 β = 123
c = 105.6 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
IMAGE PLATE MARRESEARCH MIRRORS 1997-12-15
Diffraction Radiation
Monochromator Protocol
SI CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
5.7 17.6 94.0 0.043 0.043 -- 2.1 -- 5263 -- 2.0 --
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)
5.7 6.01 94.2 0.224 0.224 3.3 2.1 --

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
MOLECULAR REPLACEMENT, MIR 6.0 -- -- -- -- -- -- -- -- -- -- -- --
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 760
Nucleic Acid Atoms 64
Heterogen Atoms 0
Solvent Atoms 0

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (AGROVATA, ROTAVATA) Data Reduction (data scaling)
POLARRFN, TFFC, MLPHARE Structure Solution
O Structure Refinement
Software
Software Name Purpose
O refinement
MLPHARE model building
POLARRFN/TFFC model building