X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details pH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.7 α = 90
b = 146.3 β = 90
c = 88.5 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS COLLIMATOR 1996-11-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS -- -- --

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 8 94.4 -- 4.9 -- 2.5 27343 27343 -- 0.0 --

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 2.0 8.0 -- 0.0 27343 27343 -- 94.4 -- -- 0.179 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.1
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.75
x_bond_d 0.009
x_angle_deg 1.43
x_dihedral_angle_d 24.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3092
Nucleic Acid Atoms 0
Heterogen Atoms 63
Solvent Atoms 292

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement version: 3.851
XDS data reduction
XSCALE data scaling
X-PLOR phasing