Nucleotide Sequence of Cloned cDNA Coding for Mouse ɛ Casein

Abstract
We isolated cDNA clones, which correspond to the mRNA coding for the smallest of the seven mouse caseins. From the nucleotide sequence of the cDNA we deduced the amino acid sequence of the protein, which we named ɛ casein. Mouse ɛ casein and cow αs2 casein show amino acid sequence homologies in the N‐terminal region of the mature protein. The signal peptide of mouse ɛ casein shows in length and sequence remarkable homology to the signal peptides of the calcium‐precipitable caseins of other species. In accordance with this group of caseins mouse ɛ casein contains in the sequence‐Ser‐Ser‐Glu‐Glu‐ a site for potential multiple phosphorylation.

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