1 PL6 (E)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-glutamic acid 1.000 2 PDG N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-D-glutamic acid 1.000 3 PGU N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-glutamic acid 1.000 4 PPE 4-[(1,3-dicarboxy-propylamino)-methyl]-3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridinium 1.000 5 PW0 (~{z})-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]pent-2-enedioic acid 1.000 6 PMG N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-2-methyl-L-glutamic acid 0.962 7 QLP N~2~-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-glutamine 0.923 8 5JV 4-[(E)-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)amino]pent-4-enoic acid 0.920 9 FEV (2e)-2-[(E)-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)amino]pent-2-enoic acid 0.920 10 PY5 2-[O-phosphonopyridoxyl]-amino-pentanoic acid 0.920 11 76U (4s)-5-fluoro-4-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]pentanoic acid 0.885 12 7VO (2s,3s)-3-methyl-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]pentanoic acid 0.885 13 F9X (2s,3r)-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]-3-oxidanyl-pentanoic acid 0.885 14 ILP N-[O-phosphono-pyridoxyl]-isoleucine 0.885 15 KE4 (4r)-5-amino-4-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]pentanoic acid 0.885 16 ORX N~2~-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-D-ornithine 0.885 17 PPJ N-(hydroxy{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)norvaline 0.885 18 PY6 2-[O-phosphonopyridoxyl]-amino-hexanoic acid 0.885 19 4LM (2e)-2-{[(1e)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}but-2-enoic acid 0.880 20 PLZ 4-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]butanoic acid 0.880 21 PY4 2-[O-phosphonopyridoxyl]-amino- butyric acid 0.880 22 WBJ (2e)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]but-3-enoic acid 0.880 23 WQF (2s)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]but-3-enoic acid 0.880 24 FEJ (2s,3s)-3-hydroxy-2-[(E)-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)amino]-4-methylpentanoic acid (non-preferred name) 0.852 25 PE1 N~2~-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-lysine 0.852 26 R1O N~2~-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-D-lysine 0.852 27 2BK N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-allothreonine 0.846 28 2BO N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-threonine 0.846 29 7XF (2~{S})-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]-4-sulfanyl-butanoic acid 0.846 30 9YC (2~{E})-3-cyano-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylimino]propanoic acid 0.846 31 KPU (2~{S})-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]-4-oxidanyl-butanoic acid 0.846 32 TLP 3-hydroxy-2-[(3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl)-amino]-butyric acid 0.846 33 Z98 (2s)-2-amino-4-{[(1z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}butanoic acid 0.846 34 0JO 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid 0.840 35 F0G (E)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-alanine 0.840 36 P1T 2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]acrylic acid 0.840 37 PDA 2-[(3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl)-amino]-propionic acid 0.840 38 PDD N-(5'-phosphopyridoxyl)-D-alanine 0.840 39 PLI (2e)-2-{[(z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1h)-ylidene}methyl]imino}propanoic acid 0.840 40 PP3 Alanyl-pyridoxal-5'-phosphate 0.840 41 N5F (2s)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]hexanedioic acid 0.821 42 2LM (2e)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]-4-(methylsulfanyl)butanoic acid 0.815 43 3LM (2e)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]-4-(methylsulfanyl)but-2-enoic acid 0.815 44 9ZN (2~{R})-3-methyl-2-[(~{E})-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-3-sulfanyl-butanoic acid 0.815 45 AA5 N-[(3-hydroxy-2-methyl-5-{[(trihydroxyphosphoranyl)oxy]methyl}pyridin-4-yl)methylene]methionine 0.815 46 KET 2-[(3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethylene)-amino]-succinic acid 0.815 47 LPI N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-methionine 0.815 48 PM9 (2e)-2-{[(z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1h)-ylidene}methyl]imino}-4-(methylsulfanyl)butanoic acid 0.815 49 PN9 (4z)-4-({[(1e)-1-carboxy-3-(methylsulfanyl)propylidene]azaniumyl}methylidene)-2-methyl-5-[(phosphonooxy)methyl]-1,4-dihydropyridin-3-olate 0.815 50 PPD 2-[(3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethylene)-amino]-succinic acid 0.815 51 1W9 (2r)-2-[(E)-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-3-oxidanyl-propanoic acid 0.808 52 9PV (2~{S})-2-[(~{E})-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-3-sulfanyl-propanoic acid 0.808 53 C6P N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-cysteine 0.808 54 CKT Cys-ketimine 0.808 55 E1O (2r)-2-[(E)-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-3-sulfanyl-propanoic acid 0.808 56 EVM L-serine, N-[[3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]-4-pyridinyl]methylene] 0.808 57 KOU (E)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-serine 0.808 58 NMA N-[3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl]-2-methylalanine 0.808 59 O3Z (2~{R})-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]-3-oxidanyl-propanoic acid 0.808 60 PLS [3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl]-serine 0.808 61 PLG N-glycine-[3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-yl-methane] 0.800 62 5DK (E)-N~2~-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-D-arginine 0.793 63 EJ1 (2e)-5-carbamimidamido-2-{[(z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1h)-ylidene}methyl]imino}pentanoic acid 0.793 64 EMS (2e,3e)-5-carbamimidamido-2-{[(z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1h)-ylidene}methyl]imino}pent-3-enoic acid 0.793 65 EQJ (E)-N~2~-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-arginine 0.793 66 HEN 2-[(3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl)-imino]-5-phosphono-pent-3-enoic acid 0.793 67 HEY (2e)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]-5-phosphonopent-2-enoic acid 0.793 68 LJS (2e,3z)-2-{[(z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1h)-ylidene}methyl]imino}-5-phosphonopent-3-enoic acid 0.793 69 PLA 2-[(3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl)-amino]-2-methyl-succinic acid 0.786 70 YAE (E)-S-ethyl-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-homocysteine 0.786 71 YAR (2e)-4-(ethylsulfanyl)-2-{[(z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1h)-ylidene}methyl]imino}butanoic acid 0.786 72 M7L 3-azanyloxy-2-[(~{E})-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]propanoic acid 0.778 73 MMM (S,E)-3-hydroxy-2-((3-hydroxy-2-methyl-5-(phosphonooxymethyl)pyridin-4-yl)methyleneamino)-2-methylpropanoic acid 0.778 74 PLV N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-O-methyl-L-serine 0.778 75 P3T (4-{[(4-aminobutyl)amino]methyl}-5-hydroxy-6-methylpyridin-3-yl)methyl dihydrogen phosphate 0.769 76 ZTS [({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino](oxo)acetic acid 0.769 77 PL4 (2s,6s)-2-amino-6-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]heptanedioic acid 0.767 78 PL5 (2s,6s)-2-amino-6-{[(1e)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}heptanedioic acid 0.767 79 XUR (2s,4s)-5-carbamimidamido-4-hydroxy-2-[(E)-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)amino]pentanoic acid (non-preferred name) 0.767 80 CBA N-pyridoxyl-2,3-dihydroxyaspartic acid-5-monophosphate 0.759 81 PPG (2e,3e)-4-(2-aminoethoxy)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]but-3-enoic acid 0.759 82 3QP (E)-N-{2-hydroxy-3-methyl-6-[(phosphonooxy)methyl]benzylidene}-L-aspartic acid 0.750 83 P3D (4-{(E)-[(5-aminopentyl)imino]methyl}-5-hydroxy-6-methylpyridin-3-yl)methyl dihydrogen phosphate 0.741 84 E1R (2s)-3-acetyloxy-2-[(E)-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]propanoic acid 0.724 85 G03 Methyl (2s)-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]-4-methylsulfanyl-butanoate 0.724 86 G06 Methyl (2s)-2-[(E)-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-4-methylsulfanyl-butanoate 0.724 87 QL4 (4s)-4-[(E)-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)amino]-5-phenoxypentanoic acid 0.719 88 I3B 5-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]pentanoic acid 0.714 89 K9E [4-[[[2-(hydroxymethyl)-1,3-bis(oxidanyl)propan-2-yl]amino]methyl]-6-methyl-5-oxidanyl-pyridin-3-yl]methyl dihydrogen phosphate 0.714 90 G0C [6-methyl-4-[(E)-3-methylsulfanylpropyliminomethyl]-5-oxidanyl-pyridin-3-yl]methyl dihydrogen phosphate 0.704 91 G0F [6-methyl-4-[(3-methylsulfanylpropylamino)methyl]-5-oxidanyl-pyridin-3-yl]methyl dihydrogen phosphate 0.704 92 E1U (2s)-2-[(E)-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-3-phosphonooxy-propanoic acid 0.700 93 PUS (E)-O-(carbamoylamino)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-serine 0.700