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Membrane topology o...
Membrane topology of the Drosophila OR83b odorant receptor
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- Lundin, Carolina (author)
- Stockholms universitet,Institutionen för biokemi och biofysik
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- Käll, Lukas, 1969- (author)
- Stockholm Bioinformatics Center, AlbaNova
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Kreher, Scott A. (author)
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Kapp, Katja (author)
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Sonnhammer, Erik L. (author)
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Carlson, John R. (author)
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- von Heijne, Gunnar (author)
- Stockholms universitet,Institutionen för biokemi och biofysik
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- Nilsson, IngMarie (author)
- Stockholms universitet,Institutionen för biokemi och biofysik
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(creator_code:org_t)
- 2007-11-20
- 2007
- English.
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In: FEBS Letters. - : Wiley. - 0014-5793 .- 1873-3468. ; 581:29, s. 5601-5604
- Related links:
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https://europepmc.or...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
Close
- By analogy to mammals, odorant receptors (ORs) in insects, such as Drosophila melanogaster, have long been thought to belong to the G-protein coupled receptor (GPCR) superfamily. However, recent work has cast doubt on this assumption and has tentatively suggested an inverted topology compared to the canonical N(out) - C(in) 7 transmembrane (TM) GPCR topology, at least for some Drosophila ORs. Here, we report a detailed topology mapping of the Drosophila OR83b receptor using engineered glycosylation sites as topology markers. Our results are inconsistent with a classical GPCR topology and show that OR83b has an intracellular N-terminus, an extracellular C-terminus, and 7TM helices.
Subject headings
- NATURVETENSKAP -- Data- och informationsvetenskap -- Bioinformatik (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Bioinformatics (hsv//eng)
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
Keyword
- Drosophila melanogaster
- Membrane protein
- Odorant receptor
- Topology
Publication and Content Type
- ref (subject category)
- art (subject category)
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