How many letters does the top answer for “a transferase that catalyzes the hydrolysis of ribonucleic acid” have?

The most common answer is ribonuclease (12 letters).

Crossword clue: a transferase that catalyzes the hydrolysis of ribonucleic acid

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

ribonuclease 12 letters wn-def

a transferase that catalyzes the hydrolysis of ribonucleic acid

rnase 5 letters wn-def

a transferase that catalyzes the hydrolysis of ribonucleic acid