| Compound | Description |
|---|
| pyridoxal | The 4-carboxyaldehyde form of VITAMIN B 6 which is converted to PYRIDOXAL PHOSPHATE which is a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid. |
| pyridoxal phosphate | 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). |
| pyridoxine | The 4-methanol form of VITAMIN B 6 which is converted to PYRIDOXAL PHOSPHATE which is a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid. Although pyridoxine and Vitamin B 6 are still frequently used as synonyms, especially by medical researchers, this practice is erroneous and sometimes misleading (EE Snell; Ann NY Acad Sci, vol 585 pg 1, 1990). |
| pyridoxine 5-phosphate | RN given refers to parent cpd |
| lysine | An essential amino acid. It is often added to animal feed. |
| pyridoxamine phosphate | RN given refers to parent cpd; structure |
| delta-1-pyrroline-5-carboxylate | (L)-isomer is the biologically active form; RN given refers to cpd without isomeric designation; structure |
| proline | A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons. |
| saccharopine | lysine precursor in the aminoadipic acid-lysine pathway in yeast; minor descriptor (75-85); on-line & Index Medicus search LYSINE/analogs & derivatives (75-85); RN given refers to (L)-isomer |
| allysine | structure |
| pipecolic acid | RN given refers to cpd without isomeric designation |
| 5'-O-(glucopyranosyl)pyridoxine | RN given refers to (D)-isomer |
| 2-aminoadipic acid | A metabolite in the principal biochemical pathway of lysine. It antagonizes neuroexcitatory activity modulated by the glutamate receptor, N-METHYL-D-ASPARTATE; (NMDA). |
| glutamate | |