Also found in: Encyclopedia.


An enzyme in blood that catalyzes the hydrolysis of biocytin to biotin and lysine (or, lysyl residue if the lysine is part of a protein sequence).
Farlex Partner Medical Dictionary © Farlex 2012


An enzyme encoded by BTD on chromosome 3p25, which recycles biotin by cleaving biocytin (biotin-lysine), a normal product of carboxylase degradation.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.