Definition of pyridoxal in English:

pyridoxal

Syllabification: pyr·i·dox·al
Pronunciation: /ˌpiriˈdäksəl
 
/

noun

Biochemistry
  • An oxidized derivative of pyridoxine that acts as a coenzyme in transamination and other processes.
    More example sentences
    • This conversion is catalyzed by the ATP requiring enzyme, pyridoxal kinase.
    • B6 vitamers are first oxidized to pyridoxal, and rapidly phosphorylated to P5P in the liver.
    • The central domain is typical of class 1 pyridoxal - 5'-phosphate-dependent enzymes.

Origin

1940s: from pyridoxine + -al.

More definitions of pyridoxal

Definition of pyridoxal in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody