1 MPM (1r)-1-[((1e)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylene)amino]-1-methylpropylphosphonic acid 1.000 2 EPC (1s)-1-[((1e)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylene)amino]ethylphosphonic acid 0.917 3 IN5 {1-[(3-hydroxy-methyl-5-phosphonooxy-methyl-pyridin-4-ylmethyl)-amino]-ethyl}-phosphonic acid 0.917 4 4LM (2e)-2-{[(1e)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}but-2-enoic acid 0.769 5 A1A8V (2z)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]butanoic acid 0.769 6 A1BC7 (2e)-2-{[(z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1h)-ylidene}methyl]imino}but-3-enoic acid 0.769 7 PY4 2-[O-phosphonopyridoxyl]-amino- butyric acid 0.769 8 WBJ (2e)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]but-3-enoic acid 0.769 9 WQF (2s)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]but-3-enoic acid 0.769 10 2BK N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-allothreonine 0.741 11 2BO N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-threonine 0.741 12 5JV 4-[(E)-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)amino]pent-4-enoic acid 0.741 13 7XF (2~{S})-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]-4-sulfanyl-butanoic acid 0.741 14 9YC (2~{E})-3-cyano-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylimino]propanoic acid 0.741 15 A1BDC (2e,3e)-2-{[(z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1h)-ylidene}methyl]imino}pent-3-enoic acid 0.741 16 FEV (2e)-2-[(E)-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)amino]pent-2-enoic acid 0.741 17 KPU (2~{S})-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]-4-oxidanyl-butanoic acid 0.741 18 PY5 2-[O-phosphonopyridoxyl]-amino-pentanoic acid 0.741 19 TLP 3-hydroxy-2-[(3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl)-amino]-butyric acid 0.741 20 ELP (1r)-1-[((1e)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylene)amino]-1-phenylethylphosphonic acid 0.733 21 0JO 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid 0.731 22 F0G (E)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-alanine 0.731 23 G0C [6-methyl-4-[(E)-3-methylsulfanylpropyliminomethyl]-5-oxidanyl-pyridin-3-yl]methyl dihydrogen phosphate 0.731 24 G0F [6-methyl-4-[(3-methylsulfanylpropylamino)methyl]-5-oxidanyl-pyridin-3-yl]methyl dihydrogen phosphate 0.731 25 P1T 2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]acrylic acid 0.731 26 P3T (4-{[(4-aminobutyl)amino]methyl}-5-hydroxy-6-methylpyridin-3-yl)methyl dihydrogen phosphate 0.731 27 PDA 2-[(3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl)-amino]-propionic acid 0.731 28 PDD N-(5'-phosphopyridoxyl)-D-alanine 0.731 29 PLI (2e)-2-{[(z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1h)-ylidene}methyl]imino}propanoic acid 0.731 30 PP3 Alanyl-pyridoxal-5'-phosphate 0.731 31 2LM (2e)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]-4-(methylsulfanyl)butanoic acid 0.714 32 3LM (2e)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]-4-(methylsulfanyl)but-2-enoic acid 0.714 33 76U (4s)-5-fluoro-4-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]pentanoic acid 0.714 34 7VO (2s,3s)-3-methyl-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]pentanoic acid 0.714 35 9ZN (2~{R})-3-methyl-2-[(~{E})-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-3-sulfanyl-butanoic acid 0.714 36 AA5 N-[(3-hydroxy-2-methyl-5-{[(trihydroxyphosphoranyl)oxy]methyl}pyridin-4-yl)methylene]methionine 0.714 37 F9X (2s,3r)-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]-3-oxidanyl-pentanoic acid 0.714 38 ILP N-[O-phosphono-pyridoxyl]-isoleucine 0.714 39 KE4 (4r)-5-amino-4-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]pentanoic acid 0.714 40 KET 2-[(3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethylene)-amino]-succinic acid 0.714 41 LPI N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-methionine 0.714 42 ORX N~2~-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-D-ornithine 0.714 43 PM9 (2e)-2-{[(z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1h)-ylidene}methyl]imino}-4-(methylsulfanyl)butanoic acid 0.714 44 PN9 (4z)-4-({[(1e)-1-carboxy-3-(methylsulfanyl)propylidene]azaniumyl}methylidene)-2-methyl-5-[(phosphonooxy)methyl]-1,4-dihydropyridin-3-olate 0.714 45 PPD 2-[(3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethylene)-amino]-succinic acid 0.714 46 PPJ N-(hydroxy{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)norvaline 0.714 47 PY6 2-[O-phosphonopyridoxyl]-amino-hexanoic acid 0.714 48 1W9 (2r)-2-[(E)-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-3-oxidanyl-propanoic acid 0.704 49 9PV (2~{S})-2-[(~{E})-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-3-sulfanyl-propanoic acid 0.704 50 A1L40 (2~{S})-2-[(~{E})-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-3-oxidanylidene-propanoic acid 0.704 51 C6P N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-cysteine 0.704 52 CKT Cys-ketimine 0.704 53 E1O (2r)-2-[(E)-[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylideneamino]-3-sulfanyl-propanoic acid 0.704 54 EVM L-serine, N-[[3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]-4-pyridinyl]methylene] 0.704 55 KOU (E)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-serine 0.704 56 NMA N-[3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl]-2-methylalanine 0.704 57 O3Z (2~{R})-2-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]-3-oxidanyl-propanoic acid 0.704 58 P3D (4-{(E)-[(5-aminopentyl)imino]methyl}-5-hydroxy-6-methylpyridin-3-yl)methyl dihydrogen phosphate 0.704 59 PLS [3-hydroxy-2-methyl-5-phosphonooxymethyl-pyridin-4-ylmethyl]-serine 0.704 60 PLZ 4-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)amino]butanoic acid 0.704