X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A CRYSTAL OF THE C-TERMINAL 31-KD DOMAIN OF RAT DNA POL BETA (SEE ENTRY 1BPB AND REFERENCE 9) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 24 HOURS: PEG 3350, 16% IMIDAZOLE, 100 MILLIMOLAR, PH 6.5 SEE REFERENCE 3 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 120.79 α = 90
b = 63.26 β = 90
c = 37.93 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 XUONG-HAMLIN MULTIWIRE -- 1996-02-05
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
2.6 20 96.0 -- 0.073 -- 2.5 -- 9098 -- 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)
2.6 2.7 91.0 -- 0.159 1.9 1.6 --

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
DIFFERENCE FOURIER 2.6 20.0 -- 0.0 -- 9098 -- 96.0 -- -- -- -- --
RMS Deviations
Key Refinement Restraint Deviation
t_bond_d 0.018
t_incorr_chiral_ct 0.0
t_trig_c_planes 0.022
t_nbd 0.024
t_dihedral_angle_d 22.0
t_gen_planes 0.008
t_it 5.5
t_angle_deg 2.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1935
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 105

Software

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