THE ULTRAVIOLET ABSORPTION SPECTRA OF PROTEINS
نویسندگان
چکیده
منابع مشابه
The ultraviolet absorption spectra of proteins.
The absorption spectra of proteins have been made the subject of considerable study. For the greatest number of proteins there has been demonstrated a broad band with a peak at about 280 rnp and a minimum, on the short wave-length side, at about 250 m,u (1). From quantitative studies of simple proteins, this band could be correlated with the presence of tyrosine, tryptophan, and phenylalanine (...
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1. The absorption spectra of a number of proteins in the region 2500 to 3000 A. have been found to comprise from six to nine narrow bands. In consequence of variation in the relative intensity of these bands from protein to protein, the absorption curve has a characteristic configuration for each protein. 2. These bands correspond closely in position with the narrow bands which appear in the ab...
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Proteins show a region of intense absorption at wavelengths shorter than 230 m,u that was first extensively investigated by Goldfarb, Saidel & Mosovitch (1951), who concluded that a large part of the absorption was due to the peptide bond. The only other major contribution came from the aromatic amino acid residues. Since proteins generally have similar peptidebond contents, it is to be expecte...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1951
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(19)52465-6