Fowler A V, Zabin I
J Biol Chem. 1978 Aug 10;253(15):5510-4.
The amino acid sequence in the 8 cyanogen bromide peptides comprising the central segment of beta-galactosidase is presented. This portion of the molecule, about 27% of the protein, contains over 40% of the lysine and tyrosine residues and has a slight excess of basic amino acids.
给出了构成β-半乳糖苷酶中心片段的8个溴化氰肽段的氨基酸序列。该分子的这一部分约占蛋白质的27%,含有超过40%的赖氨酸和酪氨酸残基,并且碱性氨基酸略有过量。