X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.63 α = 90
b = 81.63 β = 90
c = 159.22 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS-NICOLET X100 -- 1996-05-05
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
-- -- 98.0 0.097 -- -- 5.5 -- 16429 -- 4.0 --

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
-- 2.8 5.0 -- -- -- 12221 -- -- -- 0.171 0.171 0.25 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.0
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.61
x_bond_d 0.016
x_angle_deg 2.01
x_dihedral_angle_d 24.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3321
Nucleic Acid Atoms 0
Heterogen Atoms 64
Solvent Atoms 156

Software

Computing
Computing Package Purpose
XENGEN Data Reduction (intensity integration)
X-PLOR Structure Solution
X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement
X-PLOR model building