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Comparative Study
. 1985 Jan;10(1):23-31.

The amino acid sequence of equine milk lysozyme

H A McKenzie, D C Shaw
  • PMID: 4039138
Comparative Study

The amino acid sequence of equine milk lysozyme

H A McKenzie et al. Biochem Int. 1985 Jan.

Abstract

The amino acid sequence of equine milk lysozyme has been elucidated. The study involves the determination of the sequence of the N-terminal region of the whole protein, cyanogen bromide fragments, tryptic and chymotryptic peptides and fragments produced by chemical cleavage after tryptophan residues. The protein consists of a single chain of 129 amino acid residues and has a Mr of 14647. While equine milk lysozyme has the essential features of a c(chick)-type lysozyme, there is only 51% sequence homology with human milk lysozyme and 50% with domestic hen egg white lysozyme. Some of the implications of the large number of differences are discussed.

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