sulfonium
Noun
Meaning
(inorganic chemistry) the univalent H3S cation, derived from sulfane
(organic chemistry) any derivative of this cation in which one or more hydrogen atoms are replaced by organic radicals
Source: en.wiktionary.orgAnagrams
Examples
Mechanism of cellular toxicity The compound readily eliminates a chloride ion by intramolecular nucleophilic substitution to form a cyclic sulfonium ion.
SAM is composed of an adenosyl molecule (via 5' carbon) attached to the sulfur of methionine, therefore making it a sulfonium cation (i.e. three substituents and positive charge).