Path: utzoo!utgpu!news-server.csri.toronto.edu!torsqnt!hybrid!scifi!bywater!uunet!aecom!werner From: werner@aecom.yu.edu (Craig Werner) Newsgroups: sci.bio Subject: Re: Help with Handedness and Taste of Sugars Message-ID: <2916@aecom.yu.edu> Date: 14 Jul 90 21:26:02 GMT References: <655@ecrc.UUCP> <1990Jul10.162638.18896@ioe.lon.ac.uk> Organization: Albert Einstein Coll. of Med., NY Lines: 18 In article <1990Jul10.162638.18896@ioe.lon.ac.uk>, teexmmo@ioe.lon.ac.uk (Matthew Moore) writes: > > Can I ask a question instead? (well I will anyaway) > > Is taste a function which uses chemical (and physical) properties, or > does it use the molecular shape? > There are two extremely sweet naturally occuring proteins for which the complete crystal structure is known. There appears to be absolutely nothing in common between their structures. Glucose looks absolutely nothing like Nutrasweet, yet the latter is very very sweet, but most other dipeptides are not. Nobody really knowns what chemical property defines 'sweet.' -- Craig Werner (future MD/PhD, 5.5 years down, 2.5 to go) werner@aecom.YU.EDU -- Albert Einstein College of Medicine (1935-14E Eastchester Rd., Bronx NY 10461, 212-931-2517) "Viruses do to cells what Groucho did to Freedonia."