Phosphopyridoxal complexes with histamine and histidine (1) the kinetics of complex formation between pyridoxal 5′-phosphate and histamine
- 1 February 1975
- journal article
- Published by Springer Nature in Inflammation Research
- Vol. 5 (1), 15-19
- https://doi.org/10.1007/bf02027152
Abstract
Amines and amino acids are able to form cyclic compounds with pyridoxal 5′-phosphate (PLP). The quantitative relationship between histamine and PLP in the cyclization reaction were examined. It was found that one mole of amine reacts with one mole of coenzyme. The velocity of complex formation increased with an excess of either histamine or PLP, without any change in molar ratios. The formation of cyclic compound was confirmed by the use of isotopic method. The separation of cyclic compound from histamine, but not from PLP, was achieved by paper chromatography.Keywords
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