ID 3.5.1.12 DE biotinidase. AN biocytinase. CA biocytin + H2O = biotin + L-lysine. CC -!- The enzyme, found in many bacterial species as well as animals, CC liberates biotin from biocytin and short biotinylated peptides, CC but not from biotinylated proteins. CC -!- It also has activity on biotin esters and biotin amides. DR A6QQ07, BTD_BOVIN ; P43251, BTD_HUMAN ; Q8CIF4, BTD_MOUSE ; DR Q5FVF9, BTD_RAT ; Q8AV84, BTD_TAKRU ; //