An oxidized derivative of pyridoxine which acts as a coenzyme in transamination and other processes.
- ‘The central domain is typical of class 1 pyridoxal - 5'-phosphate-dependent enzymes.’
- ‘B6 vitamers are first oxidized to pyridoxal, and rapidly phosphorylated to P5P in the liver.’
- ‘This conversion is catalyzed by the ATP requiring enzyme, pyridoxal kinase.’
- ‘The deuteration effects arose from the reversible deprotonation of the Schiff base formed between glutamate and pyridoxal phosphate.’
1940s: from pyridoxine + -al.
We take a look at several popular, though confusing, punctuation marks.