Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Pyridoxal Phosphate MeSH Descriptor Data 2025


MeSH Heading
Pyridoxal Phosphate
Tree Number(s)
D03.383.725.676.925.500.500
D08.211.740
Unique ID
D011732
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D011732
Annotation
deficiency: coordinate PYRIDOXAL PHOSPHATE /‌defic (IM) with VITAMIN B 6 DEFICIENCY (IM)
Scope Note
This is the active form of VITAMIN B 6 serving as a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into pyridoxamine phosphate (PYRIDOXAMINE).
Entry Term(s)
Pyridoxal 5-Phosphate
Pyridoxal-P
Pharm Action
Vitamin B Complex
Registry Numbers
5V5IOJ8338
Related Numbers
54-47-7
CAS Type 1 Name
4-Pyridinecarboxaldehyde, 3-hydroxy-2-methyl-5-((phosphonooxy)methyl)-
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2016/05/31
Pyridoxal Phosphate Preferred
page delivered in 0.128s