.alpha.-lactalbumin gene constructs

Multicellular living organisms and unmodified parts thereof and – Nonhuman animal

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435 691, 435 711, 4351723, 935 34, 935 52, 935 70, C12N 1509, C12N 1511, C12N 1512, C12P 2100

Patent

active

058522247

ABSTRACT:
The present invention utilizes genetic engineering techniques to prepare non-human transgenic mammals that express human .alpha.-lactalbumin in their milk at a concentration of 2 mg/ml or greater. The invention also includes methods of preparing human .alpha.-lactalbumin in, for example, mice and cows. Also taught are methods for preparing human .alpha.-lactalbumin in which from one to four of its natural phenylalanine residues have been substituted by another amino acid.

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