X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details THIS ENTRY DESCRIBES THE SAME CRYSTAL STRUCTURE REPORTED IN ENTRY 9ICW, WITH THE EXCEPTION THAT THE DNA STRAND DESIGNATED AS THE PRIMER IS NOT 5'-PHOSPHORYLATED. SEE REFERENCE 1 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSIONS FOR THIS STRUCTURE., pH 6.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 178.7 α = 90
b = 57.87 β = 90
c = 48.56 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SDMS -- 1995-04-09
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
2.9 20 89.0 -- 0.048 -- 1.8 -- 10507 -- 0.0 --
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)
2.9 3.0 82.0 -- 0.151 -- 1.5 --

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
DIFFERENCE FOURIER 2.9 20.0 -- 0.0 -- 10507 -- 89.0 -- 0.155 -- -- --
RMS Deviations
Key Refinement Restraint Deviation
t_gen_planes 0.005
t_incorr_chiral_ct 0.0
t_dihedral_angle_d 18.4
t_nbd 0.026
t_angle_deg 2.8
t_bond_d 0.018
t_trig_c_planes 0.014
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2623
Nucleic Acid Atoms 248
Heterogen Atoms 2
Solvent Atoms 154

Software

Software
Software Name Purpose
SDMS data collection
SDMS data reduction
TNT refinement version: 5-D
SDMS data scaling
TNT phasing version: V. 5-D