thiaminase

thiaminase
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. SYN: t. II.
- t. I SYN: thiamin pyridinylase.
- t. II SYN: t. (2).

* * *

thi·ami·nase thī-'am-ə-.nās, 'thī-ə-mə-, -.nāz n an enzyme that catalyzes the breakdown of thiamine

* * *

thi·am·i·nase (thi-amґĭ-nās) [EC 3.5.99.2] an enzyme of the hydrolase class that catalyzes the cleavage of thiamine into its component pyrimidine and thiazole moieties, inactivating it. The enzyme is present in intestinal microorganisms. Called also t. II.

Medical dictionary. 2011.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • thiaminase II — thiaminase …   Medical dictionary

  • Thiaminase — is an enzyme that metabolizes or breaks down thiamine into two molecular parts. The old name was Aneurinase . [cite journal |author=Fujita A, Nose Y, Kozuka S et al. |title=Studies on thiaminase |journal=J.Biol.Chem. |volume=196 |issue=… …   Wikipedia

  • Thiaminase — I Enzymklassifikation EC, Kategorie …   Deutsch Wikipedia

  • thiaminase — noun Etymology: International Scientific Vocabulary Date: 1938 an enzyme that catalyzes the breakdown of thiamine …   New Collegiate Dictionary

  • Thiaminase — Thi|a|mi|na|se, die; , n (Biochemie): Enzym, das Vitamin B1 spaltet …   Universal-Lexikon

  • thiaminase I — thiamine pyridinylase …   Medical dictionary

  • Thiaminase — Thi|a|mi|na|se 〈n.; Gen.: n, Pl.: n; Biochemie〉 Vitamin B1 spaltendes Enzym …   Lexikalische Deutsches Wörterbuch

  • Thiaminase — Thi|amina̱se [↑Thiamin u. ↑...ase] w; , n: Enzym, das Vitamin B1 spaltet …   Das Wörterbuch medizinischer Fachausdrücke

  • Thiaminase — Thi|ami|na|se die; , n <zu ↑...ase> ↑Enzym, das Vitamin B1spaltet …   Das große Fremdwörterbuch

  • thiaminase — thi·ami·nase …   English syllables

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”