OPN3: Difference between revisions
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{{ | '''Opsin-3''' also known as '''encephalopsin''' or '''panopsin'''<ref name="KoyanagiTakada2013">{{cite journal | vauthors = Koyanagi M, Takada E, Nagata T, Tsukamoto H, Terakita A | title = Homologs of vertebrate Opn3 potentially serve as a light sensor in nonphotoreceptive tissue | journal = Proceedings of the National Academy of Sciences of the United States of America | volume = 110 | issue = 13 | pages = 4998–5003 | date = Mar 2013 | pmid = 23479626 | doi = 10.1073/pnas.1219416110 | url = http://www.pnas.org/content/110/13/4998.full | pmc=3612648}}</ref> is a [[protein]] that, in humans, is encoded by the ''OPN3'' [[gene]].<ref name="pmid10234000">{{cite journal | vauthors = Blackshaw S, Snyder SH | title = Encephalopsin: a novel mammalian extraretinal opsin discretely localized in the brain | journal = The Journal of Neuroscience | volume = 19 | issue = 10 | pages = 3681–90 | date = May 1999 | pmid = 10234000 | pmc = | doi = }}</ref><ref name="pmid11401433">{{cite journal | vauthors = Halford S, Freedman MS, Bellingham J, Inglis SL, Poopalasundaram S, Soni BG, Foster RG, Hunt DM | title = Characterization of a novel human opsin gene with wide tissue expression and identification of embedded and flanking genes on chromosome 1q43 | journal = Genomics | volume = 72 | issue = 2 | pages = 203–8 | date = Mar 2001 | pmid = 11401433 | pmc = | doi = 10.1006/geno.2001.6469 }}</ref><ref name="entrez">{{cite web | title = Entrez Gene: OPN3 opsin 3 (encephalopsin, panopsin)| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=23596| accessdate = }}</ref> [[Alternative splicing]] of this gene results in multiple [[transcription (genetics)|transcript]] variants encoding different [[protein isoform]]s.<ref name=Haltaufderhyde2015>{{cite journal | vauthors = Haltaufderhyde K, Ozdeslik RN, Wicks NL, Najera JA, Oancea E | title = Opsin expression in human epidermal skin | journal = Photochemistry and Photobiology | volume = 91 | issue = 1 | pages = 117–23 | date = January 2015 | pmid = 25267311 | doi = 10.1111/php.12354 | pmc=4303996}}</ref> | ||
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== Function == | |||
[[Opsin]]s are members of the [[G protein-coupled receptor]] superfamily. In addition to the visual opsins, mammals possess several [[photoreceptor protein|photoreceptive]] non-visual opsins that are expressed in tissues outside the eye. The opsin-3 gene is strongly expressed in brain and [[testis]] and weakly expressed in liver, [[placenta]], heart, lung, skeletal muscle, [[kidney]], and [[pancreas]]. The gene is expressed in the skin<ref name=Haltaufderhyde2015 /> and may also be expressed in the [[retina]]. The protein has the canonical features of a photoreceptive opsin protein.<ref name="entrez" /> | |||
== | == References == | ||
{{reflist}} | |||
== Further reading == | |||
==Further reading== | |||
{{refbegin | 2}} | {{refbegin | 2}} | ||
* {{cite journal | vauthors = Bonaldo MF, Lennon G, Soares MB | title = Normalization and subtraction: two approaches to facilitate gene discovery | journal = Genome Research | volume = 6 | issue = 9 | pages = 791–806 | date = Sep 1996 | pmid = 8889548 | doi = 10.1101/gr.6.9.791 }} | |||
* {{cite journal | vauthors = Halford S, Bellingham J, Ocaka L, Fox M, Johnson S, Foster RG, Hunt DM | title = Assignment of panopsin (OPN3) to human chromosome band 1q43 by in situ hybridization and somatic cell hybrids | journal = Cytogenetics and Cell Genetics | volume = 95 | issue = 3–4 | pages = 234–5 | year = 2002 | pmid = 12063405 | doi = 10.1159/000059351 }} | |||
*{{cite journal | * {{cite journal | vauthors = Kasper G, Taudien S, Staub E, Mennerich D, Rieder M, Hinzmann B, Dahl E, Schwidetzky U, Rosenthal A, Rump A | title = Different structural organization of the encephalopsin gene in man and mouse | journal = Gene | volume = 295 | issue = 1 | pages = 27–32 | date = Jul 2002 | pmid = 12242008 | doi = 10.1016/S0378-1119(02)00799-0 }} | ||
* {{cite journal | vauthors = Alam NA, Gorman P, Jaeger EE, Kelsell D, Leigh IM, Ratnavel R, Murdoch ME, Houlston RS, Aaltonen LA, Roylance RR, Tomlinson IP | title = Germline deletions of EXO1 do not cause colorectal tumors and lesions which are null for EXO1 do not have microsatellite instability | journal = Cancer Genetics and Cytogenetics | volume = 147 | issue = 2 | pages = 121–7 | date = Dec 2003 | pmid = 14623461 | doi = 10.1016/S0165-4608(03)00196-1 }} | |||
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{{refend}} | {{refend}} | ||
{{NLM content}} | {{NLM content}} | ||
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{{Eye proteins}} | |||
{{G protein-coupled receptors}} | {{G protein-coupled receptors}} | ||
[[Category:G protein coupled receptors]] | [[Category:G protein coupled receptors]] | ||
{{ | {{transmembranereceptor-stub}} |
Revision as of 00:58, 27 October 2017
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Opsin-3 also known as encephalopsin or panopsin[1] is a protein that, in humans, is encoded by the OPN3 gene.[2][3][4] Alternative splicing of this gene results in multiple transcript variants encoding different protein isoforms.[5]
Function
Opsins are members of the G protein-coupled receptor superfamily. In addition to the visual opsins, mammals possess several photoreceptive non-visual opsins that are expressed in tissues outside the eye. The opsin-3 gene is strongly expressed in brain and testis and weakly expressed in liver, placenta, heart, lung, skeletal muscle, kidney, and pancreas. The gene is expressed in the skin[5] and may also be expressed in the retina. The protein has the canonical features of a photoreceptive opsin protein.[4]
References
- ↑ Koyanagi M, Takada E, Nagata T, Tsukamoto H, Terakita A (Mar 2013). "Homologs of vertebrate Opn3 potentially serve as a light sensor in nonphotoreceptive tissue". Proceedings of the National Academy of Sciences of the United States of America. 110 (13): 4998–5003. doi:10.1073/pnas.1219416110. PMC 3612648. PMID 23479626.
- ↑ Blackshaw S, Snyder SH (May 1999). "Encephalopsin: a novel mammalian extraretinal opsin discretely localized in the brain". The Journal of Neuroscience. 19 (10): 3681–90. PMID 10234000.
- ↑ Halford S, Freedman MS, Bellingham J, Inglis SL, Poopalasundaram S, Soni BG, Foster RG, Hunt DM (Mar 2001). "Characterization of a novel human opsin gene with wide tissue expression and identification of embedded and flanking genes on chromosome 1q43". Genomics. 72 (2): 203–8. doi:10.1006/geno.2001.6469. PMID 11401433.
- ↑ 4.0 4.1 "Entrez Gene: OPN3 opsin 3 (encephalopsin, panopsin)".
- ↑ 5.0 5.1 Haltaufderhyde K, Ozdeslik RN, Wicks NL, Najera JA, Oancea E (January 2015). "Opsin expression in human epidermal skin". Photochemistry and Photobiology. 91 (1): 117–23. doi:10.1111/php.12354. PMC 4303996. PMID 25267311.
Further reading
- Bonaldo MF, Lennon G, Soares MB (Sep 1996). "Normalization and subtraction: two approaches to facilitate gene discovery". Genome Research. 6 (9): 791–806. doi:10.1101/gr.6.9.791. PMID 8889548.
- Halford S, Bellingham J, Ocaka L, Fox M, Johnson S, Foster RG, Hunt DM (2002). "Assignment of panopsin (OPN3) to human chromosome band 1q43 by in situ hybridization and somatic cell hybrids". Cytogenetics and Cell Genetics. 95 (3–4): 234–5. doi:10.1159/000059351. PMID 12063405.
- Kasper G, Taudien S, Staub E, Mennerich D, Rieder M, Hinzmann B, Dahl E, Schwidetzky U, Rosenthal A, Rump A (Jul 2002). "Different structural organization of the encephalopsin gene in man and mouse". Gene. 295 (1): 27–32. doi:10.1016/S0378-1119(02)00799-0. PMID 12242008.
- Alam NA, Gorman P, Jaeger EE, Kelsell D, Leigh IM, Ratnavel R, Murdoch ME, Houlston RS, Aaltonen LA, Roylance RR, Tomlinson IP (Dec 2003). "Germline deletions of EXO1 do not cause colorectal tumors and lesions which are null for EXO1 do not have microsatellite instability". Cancer Genetics and Cytogenetics. 147 (2): 121–7. doi:10.1016/S0165-4608(03)00196-1. PMID 14623461.
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