Pharmacological characterization of STKR, an insect G protein-coupled receptor for tachykinin-like peptides480

Last updated on 23-8-2019 by Anonymous (not verified)

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Peer reviewed scientific article


STKR is a G protein-coupled receptor that was cloned from the stable fly, Stomoxys calcitrans. Multiple sequence comparisons show that the amino acid sequence of this insect receptor displays several features that are typical for tachykinin (or neurokinin, NK) receptors. Insect tachykinin-related peptides, also referred to as “insectatachykinins,” produce dose-dependent calcium responses in Drosophila melanogaster Schneider 2 cells, which are stably transfected with this receptor (S2-STKR). These responses do not depend on the presence of extracellular Ca(2+)-ions. A rapid agonist-induced i…

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