Miyagawa K, Kimura S, Yoshida T, Sakamoto H, Takaku F, Sugimura T, Terada M. Structural analysis of a mature hst-1 protein with transforming growth factor activity.
Biochem Biophys Res Commun 1991;
174:404-10. [PMID:
1824921 DOI:
10.1016/0006-291x(91)90535-f]
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Abstract
A recombinant hst-1 protein produced in silkworm cells by a recombinant baculovirus, previously shown to be a potent mitogen for NIH3T3 cells and human endothelial cells, also stimulated anchorage-independent growth of NRK-49F cells. Amino acid sequence analysis revealed that the amino-terminal sequence with 58 amino acids was cleaved off in silkworm cells. These results indicated that the mature hst-1 protein consisting of 148 amino acids had transforming growth factor activity.
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