thiaminase II -->
thiaminase
medical dictionary

1. An enzyme present in raw fish that destroys thiamin and may produce thiamin deficiency in animals on a diet largely composed of raw fish.

2. A hydrolase cleaving thiamin into a pyrimidine moiety (i.e., 2-methyl-4-amino-5-hydroxymethylpyrimidine) and a thiazole moiety (i.e., 4-methyl-5-(2'-hydroxyethyl)-thiazole); the pyrimidine moiety may appear in the urine as pyramin.

Synonyms: thiaminase II.

(05 Mar 2000)

thialdine, thialol, thiambutosine, thiamin < Prev | Next > thiaminase I, thiaminase II, thiamin deficiency

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