Synonym for ribonuclease ... <biochemistry, enzyme, molecular biology> Widely distributed type of enzyme that cleaves RNA. May act as endonucleases or exonucleases depending upon the type of enzyme. Generally recognise target by tertiary structure rather than sequence. ... Ribonuclease E is involved in the formation of 5S ribosomal RNA from p... Found on http://www.encyclo.co.uk/local/20973