X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details pH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67.56 α = 90
b = 89.26 β = 90
c = 177.52 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV MIRRORS 1998-04-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE -- -- -- --

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
3 100 96.6 -- 0.12 -- 4.2 86360 86360 -- 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)
3.0 3.05 79.6 -- 0.297 3.1 2.5 --

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
MOLECULAR REPLACEMENT 3.0 100.0 -- 0.0 20643 20643 1202 92.9 -- -- 0.234 0.281 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 3.0 3.14 -- 113 1923 0.3125 0.3242 0.03 75.13
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.007
x_dihedral_angle_d 28.48
x_improper_angle_d 1.861
x_angle_deg 1.267
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4948
Nucleic Acid Atoms 1956
Heterogen Atoms 4
Solvent Atoms 7

Software

Software
Software Name Purpose
EPMR phasing
X-PLOR refinement version: 3.851
DENZO data reduction
SCALEPACK data scaling