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J Protein Chem. 1996 Nov;15(8):743-50.

Isolation and rapid sequence characterization of two novel bovine beta-lactoglobulins I and J.

Author information

1
Institut für Molekulare Biotechnologie, Jena, Germany.

Abstract

Two novel bovine beta-lactoglobulins I and J have been isolated from bovine milk and characterized by isoelectric focusing. Their primary structure was determined by a very rapid method consisting of a combination of Edman sequencing, mass analysis, and ladder sequencing by mass spectrometry. We found that both new beta-lactoglobulins are of the bovine beta-lactoglobulin B-variant type. beta-lactoglobulin I shows Gly instead of Glu at position 108, whereas beta-lactoglobulin J shows a Pro-to-Leu exchange at position 126.

PMID:
9008298
[Indexed for MEDLINE]

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