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The C-terminal sequence of amino acid residues of κ-casein isolated from buffalo's milk

Published online by Cambridge University Press:  01 June 2009

M. H. Abd El-Salam  and
W. Manson
M. H. Abd El-Salam
Affiliation:
The Hannah Dairy Research Institute, Ayr
W. Manson
Affiliation:
The Hannah Dairy Research Institute, Ayr
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Summary

When κ-casein from buffalo's milk was treated with carboxypeptidase A (EC 3. 4. 2. 1),4 amino acids, valine, threonine, serine and alanine were released from the protein in a manner consistent with the view that they originate in the C-terminal sequence of a single peptide chain. The amounts produced suggest a minimum molecular weight for buffalo κ-casein of approximately 17000, in agreement with the value calculated from the phosphorous content on the basis of the presence of 2 phosphorus atoms/molecule. A comparison is made with the C-terminal sequence reported for bovine κ-casein.

Type
Original Articles
Information
Journal of Dairy Research , Volume 34 , Issue 1 , February 1967 , pp. 85 - 88
Copyright
Copyright © Proprietors of Journal of Dairy Research 1967

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References

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