maturase
/ˈmatʃʊreɪz/ /ˈmatjʊreɪz/Genetics
noun
Any of a class of enzymes encoded by open reading frames within introns, which are involved (along with endonucleases and reverse transcriptases) in excising introns from messenger RNA.
Origin
1980s; earliest use found in Nature: a weekly journal of science. From French maturase from mature + -ase.