From owner-biophysics@net.bio.net Mon Mar 21 22:00:00 1994 Path: biosci!parc!decwrl!decwrl!elroy.jpl.nasa.gov!swrinde!cs.utexas.edu!howland.reston.ans.net!usenet.ins.cwru.edu!cleveland.Freenet.Edu!dy684 From: dy684@cleveland.Freenet.Edu (Roberto Albinoni) Newsgroups: bionet.molbio.proteins,bionet.biophysics Subject: Equivalent amino acids for similarity searches Date: 22 Mar 1994 09:57:13 GMT Organization: Case Western Reserve University, Cleveland, OH (USA) Lines: 10 Message-ID: <2mmfdp$t1n@usenet.INS.CWRU.Edu> Reply-To: dy684@cleveland.Freenet.Edu (Roberto Albinoni) NNTP-Posting-Host: eeyore.ins.cwru.edu Xref: biosci bionet.molbio.proteins:1597 bionet.biophysics:120 i am comparing the dna-derived amino acids sequences of two proteins in order to determine which residues may be most important to enzymatic function. i wonder if someone to point me to appropriate references on which amino acids can be considered most similar based on their chemistry and function, and also how one can 'score' the similarity of two proteins based not only on identical residues, but also on amino acids which belong to the same chemical families. .