Title |
Cross genome phylogenetic analysis of human and Drosophila G protein-coupled receptors: application to functional annotation of orphan receptors
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Published in |
BMC Genomics, August 2005
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DOI | 10.1186/1471-2164-6-106 |
Pubmed ID | |
Authors |
Raghu Prasad Rao Metpally, Ramanathan Sowdhamini |
Abstract |
The cell-membrane G-protein coupled receptors (GPCRs) are one of the largest known superfamilies and are the main focus of intense pharmaceutical research due to their key role in cell physiology and disease. A large number of putative GPCRs are 'orphans' with no identified natural ligands. The first step in understanding the function of orphan GPCRs is to identify their ligands. Phylogenetic clustering methods were used to elucidate the chemical nature of receptor ligands, which led to the identification of natural ligands for many orphan receptors. We have clustered human and Drosophila receptors with known ligands and orphans through cross genome phylogenetic analysis and hypothesized higher relationship of co-clustered members that would ease ligand identification, as related receptors share ligands with similar structure or class. |
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Demographic breakdown
Readers by professional status | Count | As % |
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Researcher | 27 | 29% |
Student > Ph. D. Student | 20 | 22% |
Student > Master | 9 | 10% |
Student > Bachelor | 7 | 8% |
Professor > Associate Professor | 7 | 8% |
Other | 14 | 15% |
Unknown | 8 | 9% |
Readers by discipline | Count | As % |
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Neuroscience | 2 | 2% |
Pharmacology, Toxicology and Pharmaceutical Science | 1 | 1% |
Other | 7 | 8% |
Unknown | 11 | 12% |