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pubmed:abstractText |
A fragment, A-II, isolated from a component of a tryptic digest of bovine growth hormone has growth-promoting activity in rats and metabolic activity in humans similar to human growth hormone. The amino acid sequence of this peptide has been reinvestigated and revised. The 38-amino acid peptide was cleaved with cyanogen bromide, chymotrypsin, and trypsin. The amino acid sequences were then established by Edman degradation as well as with overlapping peptides; Homology in the sequence was good between this bovine growth hormone fragment and peptides occurring in ovine growth hormone, human growth hormone, and human chorionic somatomammotropin.
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