Patatin is a glycoprotein found in potatoes (Solanum tuberosum). The main function of patatin is as a storage protein but it also has lipase activity and can cleave fatty acids from membrane lipids. The patatin protein makes up about 40% of the soluble protein in potato tubers. Members of this protein family have also been found in animals.
Patatin is identified as a major cause of potato allergy 
- Shewry PR (2003). "Tuber storage proteins". Ann. Bot. 91 (7): 755–69. doi:10.1093/aob/mcg084. PMC 4242388. PMID 12730067.
- Bánfalvi Z, Kostyál Z, Barta E (1994). "Solanum brevidens possesses a non-sucrose-inducible patatin gene". Mol. Gen. Genet. 245 (4): 517–22. doi:10.1007/BF00302265. PMID 7808402.
- Mignery GA, Pikaard CS, Park WD (1988). "Molecular characterization of the patatin multigene family of potato". Gene. 62 (1): 27–44. doi:10.1016/0378-1119(88)90577-X. PMID 3371664.
- http://cme.medscape.com/viewarticle/420552 Food Allergy: New Insights and Management Strategies (03/05/2000), paragraph: Potato Allergy
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