Is “Proenzyme” a Scrabble word?
Yes
PROENZYME
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Proenzyme
noun
1.Any inactive precursor of an enzyme that is converted to an enzyme by proteolysis; a zymogen