1 PLP Pyridoxal-5'-phosphate 1.000 2 PXP Pyridoxine-5'-phosphate 1.000 3 EM2 (6-ethynyl-4-methanoyl-5-oxidanyl-pyridin-3-yl)methyl dihydrogen phosphate 0.941 4 MPL N-methyl-pyridoxal-5'-phosphate 0.941 5 NOP Pyridoxal-5'-phosphate-N-oxide 0.941 6 P0P [4-(dihydroxymethyl)-5-hydroxy-6-methylpyridin-3-yl]methyl dihydrogen phosphate 0.941 7 X04 (2-amino-4-formyl-5-hydroxy-6-methylpyridin-3-yl)methyl dihydrogen phosphate 0.941 8 PLR (5-hydroxy-4,6-dimethylpyridin-3-yl)methyl dihydrogen phosphate 0.938 9 PMP 4'-deoxy-4'-aminopyridoxal-5'-phosphate 0.882 10 PZP [5-hydroxy-4-(iminomethyl)-6-methyl-pyridin-3-yl]methyl dihydrogen phosphate 0.882 11 UAH (5-hydroxy-6-methylpyridin-3-yl)methyl dihydrogen phosphate 0.875 12 GT1 [5-hydroxy-4-(methoxymethyl)-6-methylpyridin-3-yl]methyl dihydrogen phosphate 0.833 13 NPL N-methyl-4-deoxy-4-amino-pyridoxal-5-phosphate 0.833 14 EOW (6-but-3-ynyl-4-methyl-5-oxidanyl-pyridin-3-yl)methyl dihydrogen phosphate 0.789 15 LLF (4-{(E)-[(2,2-difluoroethyl)imino]methyl}-5-hydroxy-6-methylpyridin-3-yl)methyl dihydrogen phosphate 0.714 16 PDP Pyridoxal-5'-diphosphate 0.714 17 PLG N-glycine-[3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-yl-methane] 0.714