What are Ribozymes (RNA enzymes)? Ribozymes are catalytically active RNA molecules or RNA–protein complexes in which the RNA alone is responsible for the catalytic activity. The term ribozyme simultaneously refers to enzymatic activity and ribonucleic acid nature. Ribozymes are present in the genomes of all living kingdoms. Hairpin, hammerhead, Hepatitis delta virus (HDV), Varkud Satellite, … Read more