pyridoxal


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pyridoxal

 [pir″ĭ-dok´sal]
a form of vitamin B6.
pyridoxal phosphate a major coenzyme involved in amino acid metabolism.

pyr·i·dox·al (PL),

(pir'i-dok'săl),
The 4-aldehyde of pyridoxine, having a similar physiologic action.
See also: pyridoxine.

pyridoxal

/pyr·i·dox·al/ (pir″ĭ-dok´sal) a form of vitamin B6.
pyridoxal phosphate  the prosthetic group of many enzymes involved in amino acid transformations.

pyridoxal

(pĭr′ĭ-dŏk′səl)
n.
An aldehyde, C8H9NO3, that is one of several forms of vitamin B6.

pyridoxal, pyridoxaldehyde

a form of vitamin B6.

pyridoxal phosphate
PLP; a major coenzyme involved in amino acid metabolism.
References in periodicals archive ?
Leklem and Shultz (18) indicate that exercise stimulates the release and activation of the enzyme glycogen phosphorylase pyridoxal phosphate.
Its major active forms in animals are pyridoxal 5'-phosphate (PLP) and pyridoxamine 5'-phosphate (PMP).
Vitamin B6 occurs as three vitamer forms based on the pyridine ring: pyridoxine is the most stable and found especially in plants, while pyridoxal and pyridoxamine are found mainly in animals; each vitamer can occur as a phosphorylated form.
The [alpha] subunit catalyzes the cleavage of indole-3-glycerol phosphate to indole and 3-glyceraldehyde 3-phoshate ([alpha] reaction), while the pyridoxal phosphate dependent [[beta].
Eisenstein, Structure and Control of Pyridoxal Phosphate-Dependent Allosteric Threonine Deaminase, Structure 6 (4), 465-475 (1998).
Vitamin B6 is a water-soluble vitamin that exists in three major chemical forms: pyridoxine, pyridoxal, and pyridoxamine (1, 2).
6] (pyridoxine) is essential for the production of pyridoxal phosphate (PLP), which acts as a catalytic co factor to AAAD.
So during the manufacturing process, Baxter and other companies working with human hemoglobin introduce another molecule, pyridoxal phosphate, onto the binding site in hemoglobin that 2-3 DPG normally occupies.
Other groups are investigating the use of adenosine tri-phosphate (ATP) instead of pyridoxal phosphate.
For example, pyridoxal, better known as vitamin B6, collaborates with an enzyme that breaks down a form of starch into sugar.