G-protein coupled receptor from yeast saccharomyces cerevisiae

Cheol-Won Yun, Hisanori Tamaki, Reiko Nakayama, Kenji Yamamoto, Hidehiko Kumagai

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

The Saccharomyces cerevisiae GPR1 (G-protein coupled receptor) gene was isolated using two-hybrid system with a heterotrimeric GTP binding protein α subunit Gpa2p as a bait. The GPR1 gene encodes 961 amino acids with predicted seven transmembrane segments and two large cytosolic regions as third cytosolic loop with 350 amino acids where asparagine-rich region was found and the C-terminal region with 283 amino acids. The Gpr1p interacted with Gpa2p at C-terminal region with 131 amino acid residues as well as third cytosolic loop. Disruption of the GPR1 gene was not lethal and did not affect to the cell growth. The Gpr1p-GFP fusion protein localized at the cell surface. These results suggest that Gpr1p is a G-protein coupled receptor which localized at plasma membrane. It is likely that a Gpr1p monitors the extracellular signal such as nutrition and transduce it via Gpa2p a possible positive regulator of cAMP level.

Original languageEnglish
Pages (from-to)287-292
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume240
Issue number2
DOIs
Publication statusPublished - 1997 Nov 17
Externally publishedYes

Fingerprint

G-Protein-Coupled Receptors
Yeast
Saccharomyces cerevisiae
Yeasts
Amino Acids
Genes
Heterotrimeric GTP-Binding Proteins
Asparagine
Protein Subunits
Cell growth
Cell membranes
Nutrition
Hybrid systems
Fusion reactions
Cell Membrane
Growth
Proteins

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

G-protein coupled receptor from yeast saccharomyces cerevisiae. / Yun, Cheol-Won; Tamaki, Hisanori; Nakayama, Reiko; Yamamoto, Kenji; Kumagai, Hidehiko.

In: Biochemical and Biophysical Research Communications, Vol. 240, No. 2, 17.11.1997, p. 287-292.

Research output: Contribution to journalArticle

Yun, Cheol-Won ; Tamaki, Hisanori ; Nakayama, Reiko ; Yamamoto, Kenji ; Kumagai, Hidehiko. / G-protein coupled receptor from yeast saccharomyces cerevisiae. In: Biochemical and Biophysical Research Communications. 1997 ; Vol. 240, No. 2. pp. 287-292.
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