X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Hanging Drop
pH 6
Temperature 298.0
Details 1.2 mM DNA, 5% MPD, 20 mM Sodium Cacodylate, 40 mM sodium chloride, 6 mM potassium chloride, 10 mM magnesium chloride; equilibrated against 35% MPD, pH 6.0, Hanging Drop, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 24.52 α = 90
b = 43.02 β = 90
c = 46.68 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH mirrors 2000-04-29
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 5ID-B 0.978 APS 5ID-B

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 10 99.6 0.047 -- -- -- 27320 27320 -- -- --
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)
1.0 1.1 99.6 -- -- -- -- --

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 1.0 10.0 -- -- 27320 27320 -- 99.6 0.128 -- -- -- --
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.021
s_zero_chiral_vol 0.0
s_non_zero_chiral_vol 0.055
s_from_restr_planes 0.222
s_bond_d 0.015
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 283.5
Occupancy Sum Non Hydrogen 608.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 686
Heterogen Atoms 68
Solvent Atoms 155

Software

Software
Software Name Purpose
AMoRE phasing
SHELXL-97 refinement
DENZO data reduction
SCALEPACK data scaling