X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 174.42 α = 90
b = 174.42 β = 90
c = 101.1 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 289
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XUONG-HAMLIN MULTIWIRE NI FILTER 1996-05-15
Diffraction Radiation
Monochromator Protocol
NI FILTER SINGLE WAVELENGTH
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
2.7 30 85.9 -- -- -- -- -- 36146 -- 1.0 23.4

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 2.7 6.0 -- 1.0 -- 36132 -- 85.9 -- 0.192 0.192 0.29 --
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 2.7 2.81 -- -- 180 0.239 0.346 -- 8.2
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.3
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.331
x_bond_d 0.023
x_angle_deg 1.61
x_dihedral_angle_d 25.56
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8658
Nucleic Acid Atoms 0
Heterogen Atoms 21
Solvent Atoms 198

Software

Computing
Computing Package Purpose
MARXDS Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
O, X-PLOR Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
X-PLOR model building
O model building