Optical Rotatory Power and Dispersion of Proteins

Optical rotatory dispersion of nonhelical proteins.

The optical rotatory dispersion of a group of proteins having the Moffitt constant bo near zero was studied in the far ultraviolet spectral zone. Sodium poly-c+L-glutamate, myoglobin, and serum albumin were used as reference substances. It was found that, in addition to the normal type of rotatory dispersion, as displayed, for example, by myoglobin, four other types of curves could be demonstra...

Circular dichroism and optical rotatory dispersion of proteins and polypeptides.

Optical Rotatory Dispersion and Conformation of Various Globular Proteins.

The crucial test regarding the usefulness of the optical rotatory dtspersion method for the study of protein conformation was in confronting the results of this method w&the x-ray structural analysis of myoglobm. The high resolution x-ray structural analysis of Kendrew et al. on myoglobin crystals (1) and the optical rotation studies of Beychok and Blout (2) and Urnes, Imahori, and Doty (3) on ...

Quantum optical rotatory dispersion

The phenomenon of molecular optical activity manifests itself as the rotation of the plane of linear polarization when light passes through chiral media. Measurements of optical activity and its wavelength dependence, that is, optical rotatory dispersion, can reveal information about intricate properties of molecules, such as the three-dimensional arrangement of atoms comprising a molecule. Giv...

Optical Rotatory Dispersion of Catalase.

It is well recognized that the measurements of optical rotatory dispersion of proteins with strong absorption bands are extremely difficult because of the diminishing intensity of the emergent light. Until very recently, these studies were made possible only by improving the light source and also frequently by a wide opening of the slit width on the monochromator at the expense of spectral puri...