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. 1984 Jun 1;220(2):423–431. doi: 10.1042/bj2200423

Isolation and characterization of the two giant secretory proteins in salivary gland of Chironomus tentans.

L Rydlander
PMCID: PMC1153643  PMID: 6743280

Abstract

The two giant secretory proteins, sp-Ia and sp-Ib, in salivary-gland cells of the larva of the fly Chironomus tentans, were isolated by preparative gel electrophoresis and characterized chemically. Their amino acid compositions are dominated by polar amino acids, with about 30% of basic amino acid residues. Crossed immunoelectrophoresis of sp-Ia and sp-Ib provided evidence that they share antigenic determinants. They also have major methionine-containing tryptic peptides in common. CNBr cleavage of sp-Ib gives a small number of low-Mr fragments, indicating that this protein has a repetitive structure.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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