biocytin

(redirected from biotinyllysine)
Also found in: Encyclopedia.

bi·o·cy·tin

(bī-ō-sī'tin),
Biotin condensed through its carboxyl group with the ε-amino group of a lysyl residue in the apoenzymes to which biotin is the coenzyme; the predominant linkage in which biotin is found.
Synonym(s): biotinyllysine
Farlex Partner Medical Dictionary © Farlex 2012

biocytin

Biotin covalently linked to lysine. Biocytin is an intermediate in biotin metabolism, and is found in serum and excreted in urine.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

bi·o·cy·tin

(bī'ō-sī'tin)
A complex molecule of biotin and lysine released from digested protein to act as a catalyst in the tricarboxylic acid cycle.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012