Ubiquitously expressed GPCR membrane-trafficking orthologs

Olfactory receptors are a diverse set of G-protein-coupled receptors (GPCRs) that localize to cellular plasma membranes in the olfactory epithelium. Associated trafficking proteins often assist in targeting these GPCRs to the membrane, facilitating function. One such trafficking protein has been iso...

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Veröffentlicht in:Genomics (San Diego, Calif.) Calif.), 2005-03, Vol.85 (3), p.386-391
Hauptverfasser: Lehman, Chris W., Lee, Jaquelina D.R., Komives, Claire F.
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container_title Genomics (San Diego, Calif.)
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creator Lehman, Chris W.
Lee, Jaquelina D.R.
Komives, Claire F.
description Olfactory receptors are a diverse set of G-protein-coupled receptors (GPCRs) that localize to cellular plasma membranes in the olfactory epithelium. Associated trafficking proteins often assist in targeting these GPCRs to the membrane, facilitating function. One such trafficking protein has been isolated as a mutant defective for both odorant response and proper receptor localization in Caenorhabditis elegans. This gene (ODR-4) allows for functional expression of olfactory receptors in heterologous cells that are otherwise incapable of targeting. We have isolated a full-length human cDNA that is homologous to the C. elegans gene at the protein level across nearly the entire gene by using a novel RecA-based gene enrichment procedure. This sequence is homologous to a family of orthologs that share predicted structural features, indicating a conserved function. The gene was expressed in 41 of 44 human, mouse, and rat tissues, suggesting an important role in trafficking olfactory and other GPCRs.
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subjects Amino Acid Sequence
Animals
Biological and medical sciences
Caenorhabditis elegans
cDNA
Cell Membrane - metabolism
Fundamental and applied biological sciences. Psychology
Genes. Genome
Genetics of eukaryotes. Biological and molecular evolution
GPCR
Humans
Membrane trafficking
Molecular and cellular biology
Molecular genetics
Molecular Sequence Data
Odorant
ODR-4
ODR4
Olfactory
Ortholog
RecA
Receptors, G-Protein-Coupled - chemistry
Receptors, G-Protein-Coupled - metabolism
Sequence conservation
Sequence Homology, Amino Acid
title Ubiquitously expressed GPCR membrane-trafficking orthologs
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