Structural studies on bovine γ-crystallin
- 1 February 1971
- journal article
- research article
- Published by Portland Press Ltd. in Biochemical Journal
- Vol. 121 (3) , 453-459
- https://doi.org/10.1042/bj1210453
Abstract
The amino acid sequences around the cysteine residues in the lens protein, γ-crystallin, were studied. Fraction II of the γ-crystallin from calf lens (Björk, 1964) was used. The protein was oxidized with performic acid and then hydrolysed with trypsin. Six peptides containing cysteic acid were isolated. One of the peptides contained three residues of cysteic acid and the others contained one residue of cysteic acid. We conclude that there are eight unique residues of cysteic acid in the oxidized protein. Amino acid analysis suggests that there are also eight residues of cysteic acid in the molecule, which thus contains only one polypeptide chain.This publication has 0 references indexed in Scilit: