X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 50MM IMIDAZOLE AT PH6.5, 15% SAT. AMMONIUM SULFATE 0.02% SODIUM AZIDE, 0.56 MM PROTEIN CONC.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.22 α = 90
b = 58.22 β = 90
c = 141.94 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

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
-- -- -- -- -- -- -- -- n/a -- -- 26.85

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
-- 1.95 24.0 -- 2.0 -- 17458 881 93.5 -- 0.199 0.199 0.233 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 1.95 2.04 -- 97 1936 0.288 0.309 -- 89.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 27.2
RMS Deviations
Key Refinement Restraint Deviation
x_scbond_it 3.8
x_scangle_it 6.6
x_angle_deg 1.426
x_improper_angle_d 1.358
x_mcbond_it 2.9
x_dihedral_angle_d 26.01
x_mcangle_it 5.1
x_bond_d 0.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1365
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 155

Software

Software
Software Name Purpose
X-PLOR model building version: 3.851
X-PLOR refinement version: 3.851
X-PLOR phasing version: 3.851