X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 1M SODIUM CITRATE, 0.1M HEPES PH 7.5, 1MM BME, CRYO PROTECTION WAS ACHIEVED BY SOAKING CRYSTAL IN MOTHER LIQUOR CONTAINING 20% GLYCEROL FOR 4 HOURS

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 168.8 α = 90
b = 168.8 β = 90
c = 202.7 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 102
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II COLLIMATOR 1995-03-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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
3.05 20 81.0 0.09 -- -- 3.8 -- 45656 -- -3.0 25.4

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 3.05 20.0 -- 0.0 174719 48098 -- 81.0 -- -- 0.219 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT BCORREL
RMS Deviations
Key Refinement Restraint Deviation
t_it 3.755
t_bond_d 0.016
t_dihedral_angle_d 21.071
t_nbd 0.024
t_angle_deg 2.563
t_incorr_chiral_ct 0.0
t_gen_planes 0.012
t_trig_c_planes 0.015
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7837
Nucleic Acid Atoms 0
Heterogen Atoms 27
Solvent Atoms 0

Software

Software
Software Name Purpose
TNT refinement version: 5F
DENZO data reduction
SCALEPACK data scaling