The silver gene of Drosophila melanogaster encodes multiple carboxypeptidases similar to mammalian prohormone-processing enzymes

Stephen H. Settle, M. M. Green, Kenneth C. Burtis

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

The silver (svr) gene of Drosophila melanogaster is required for viability, and severe mutant alleles result in death prior to eclosion. Adult flies homozygous or hemizygous for weaker alleles display several visible phenotypes, including cuticular structures that are pale and silvery in color due to reduced melanization. We have identified and cloned the DNA encoding the svr gene and determined the sequence of several partially overlapping cDNAs derived from svr mRNAs. The predicted amino acid sequence of the polypeptides encoded by these cDNAs indicates thai the silver proteins are members of the family of preprotein-processing carboxypeptidases that includes the human carboxypeptidases E, M, and N. One class of svr mRNAs is alternatively spliced to encode at least two polyproteins, each of which is composed of two carboxypeptidase domains.

Original languageEnglish (US)
Pages (from-to)9470-9474
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume92
Issue number21
DOIs
StatePublished - Oct 10 1995

Fingerprint

Carboxypeptidases
Drosophila melanogaster
Silver
Enzymes
Genes
Carboxypeptidase H
Lysine Carboxypeptidase
Complementary DNA
Silver Proteins
Alleles
Polyproteins
Messenger RNA
Amino Acid Sequence
Color
Phenotype
Peptides
DNA

Keywords

  • melanization
  • neuropeptide
  • polyprotein
  • svr gene

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

The silver gene of Drosophila melanogaster encodes multiple carboxypeptidases similar to mammalian prohormone-processing enzymes. / Settle, Stephen H.; Green, M. M.; Burtis, Kenneth C.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 92, No. 21, 10.10.1995, p. 9470-9474.

Research output: Contribution to journalArticle

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