This selects the aromatic ring carbons of Phe and Tyr:
rings6 = {*}.find("SMARTS","c1ccccc1", true) It does not select the 6-atom ring of Trp. This selects the ring of His: ringsh = {*}.find("SMARTS","c1cncn1", true) How do I select the 5 and 6 atom rings of Trp? Thanks, Eric ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Jmol-users mailing list Jmol-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jmol-users