Signal peptide homology between the sweet protein thaumatin II and unrelated cereal α-amylase/trypsin inhibitors

Lazaro, Ana and Rodriguez Palenzuela, Pablo and Maraña, Carmen and Carbonero Zalduegui, Pilar and García Olmedo, Francisco (1988). Signal peptide homology between the sweet protein thaumatin II and unrelated cereal α-amylase/trypsin inhibitors. "Febs Letters", v. 239 (n. 1); pp. 147-150. ISSN 0014-5793. https://doi.org/10.1016/0014-5793(88)80562-3.

Description

Title: Signal peptide homology between the sweet protein thaumatin II and unrelated cereal α-amylase/trypsin inhibitors
Author/s:
  • Lazaro, Ana
  • Rodriguez Palenzuela, Pablo
  • Maraña, Carmen
  • Carbonero Zalduegui, Pilar
  • García Olmedo, Francisco
Item Type: Article
Título de Revista/Publicación: Febs Letters
Date: October 1988
ISSN: 0014-5793
Volume: 239
Subjects:
Freetext Keywords: α-Amylase/trypsin inhibitor; Thaumatin II; Cereal; (Barley, Thaumatococcus danielli)
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Biotecnologia [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

A cDNA clone (pUP-23) corresponding to a member of a protein family that includes inhibitors of trypsin and of heterologous α-amylases has been selected from a library derived from developing barley endosperm and its sequence has been determined. A stretch of 95 nucleotides that included the signal peptide and the first 8 residues of the mature protein was found to be homologous to an exactly equivalent region of the nucleotide sequence encoding the sweet protein thaumatin II. Evolutionary implications of this finding are discussed.

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