has role pyridoxamine pyridoxamine 5'-phosphate A vitamin B6 phosphate that is the phosphoric ester derivative of pyridoxamine. methylpyridines vitamin B6 phosphate monohydroxypyridine aminoalkylpyridine pyridoxamine 5'-phosphate(1-) mouse metabolite Saccharomyces cerevisiae metabolite Escherichia coli metabolite human metabolite