Physical Principles and Techniques of Protein ChemistrySydney J. Leach Physical Principles and Techniques of Protein Chemistry Part C ... |
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Page 83
... atomic scattering factors of the two atoms . Figure 16a shows how the map for the pleated sheet would be modi- fied if potassium atoms were present at the positions marked by crosses in Fig . 15b . The strongest peaks contain the ...
... atomic scattering factors of the two atoms . Figure 16a shows how the map for the pleated sheet would be modi- fied if potassium atoms were present at the positions marked by crosses in Fig . 15b . The strongest peaks contain the ...
Page 85
... atoms and O atoms . ( c ) , Improved map using phases calculated for heavy atoms plus the Ca , C3 , and O atoms in the approximate posi- tions shown in ( b ) . All atoms are now clearly resolved and further refinement either by Fourier ...
... atoms and O atoms . ( c ) , Improved map using phases calculated for heavy atoms plus the Ca , C3 , and O atoms in the approximate posi- tions shown in ( b ) . All atoms are now clearly resolved and further refinement either by Fourier ...
Page 87
... atoms to certain reflections will be too small to resolve the ambiguity . Because of experimental errors ... atoms in the unit cell . For a given pair of structure amplitudes Fr | and FPH for the protein and protein - plus - heavy ...
... atoms to certain reflections will be too small to resolve the ambiguity . Because of experimental errors ... atoms in the unit cell . For a given pair of structure amplitudes Fr | and FPH for the protein and protein - plus - heavy ...
Contents
Electron Microscopy of Globular Proteins | 2 |
Dielectric Properties of Proteins 7 | 7 |
The Enhancement of Contrast | 21 |
Copyright | |
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absorption absorption spectrum amino acids applied axis Biochem Biol Biophys birefringence boundary bovine serum albumin buffer calculated Cann Chem chromophores coefficient components concentration conformational changes contrast curve Debye denaturation density determined dielectric constant dielectric increment dielectric relaxation difference spectrum diffraction dipole moment Edelhoch effects electric birefringence electric field electron microscope electrophoresis electrophoretic patterns elution volume emission energy enzyme equation equilibrium excitation experimental factor film fluorescence fraction frequency gel filtration gradient groups heavy atom intensity interactions ionic strength ionization ions light macromolecules measured method migration mobility molar molecular weight molecules moving-boundary observed obtained optical ovalbumin parameter particles peaks permanent dipole perturbation phase phenolic Phys plot polarization polymer produced protein proton quantum yield ratio reaction relaxation residues resolution ribonuclease shown in Fig solution solvent specimen spectra structure technique temperature theoretical theory tion tryptophan tyrosine unit cell values wavelength Weber Winzor zone