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C. elegans Sre G protein-coupled chemoreceptor Caenorhabditis elegans Sre proteins are candidate chemosensory receptors. There are four main recognized groups of such receptors: Odr-10, Sra, Sro, and Srg. Sre (this family), Sra pfam02117 and Srb pfam02175 comprise the Sra group. All of the above receptors are thought to be G protein-coupled seven transmembrane domain proteins. The existence of several different chemosensory receptors underlies the fact that in spite of having only 20-30 chemosensory neurones, C. elegans detects hundreds of different chemicals, with the ability to discern individual chemicals among combinations. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",