1 PEB Phycoerythrobilin 1.000 2 18B 3-[2-[(z)-[3-(2-carboxyethyl)-5-[(z)-(3-ethenyl-4-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-pyrrol-2-ylidene]methy L]-5-[(z)-(4-ethyl-3-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 1.000 3 3Q8 3-[2-[[5-[[(3e,4s)-3-ethylidene-4-methyl-5-oxidanylidene-pyrrol-2-yl]methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1h-pyrrol-2-yl]methyl]-5-[(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 1.000 4 3Q9 3-[5-[(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-2-[[5-[(3-ethyl-4-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1h-pyrrol-2-yl]methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 1.000 5 9UY 3-[5-[[(3~{R},4~{R})-3-ethenyl-4-methyl-5-oxidanylidene-3,4-dihydropyrrol-2-yl]methyl]-2-[[5-[(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 1.000 6 9V1 3-[2-[[5-[(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl] methyl]-5-[[(3~{R},4~{R})-3-ethyl-4-methyl-5-oxidanylidene-3,4-dihydropyrrol-2-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]pro panoic acid 1.000 7 AX9 Dicys-(15,16)-dihydrobiliverdin 1.000 8 BL8 3-[2-[(z)-[5-[(z)-[(3r,4r)-3-ethenyl-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-2-ylidene]methyl]-5-[(z)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 1.000 9 BLA Biliverdine ix alpha 1.000 10 BLR 3-[5-[(z)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-2-[[5-[(z)-(3-ethenyl-4-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1h-pyrrol-2-yl]methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 1.000 11 BVX 3-[2-[(~{z})-[5-[(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-2-ylidene]methyl]-5-[(~{z})-(3-ethyl-4-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 1.000 12 CYC Phycocyanobilin 1.000 13 DBV 15,16-dihydrobiliverdin 1.000 14 EL5 3-[(2z)-2-({3-(2-carboxyethyl)-5-[(E)-(4-ethenyl-3-methyl-5-oxo-1,5-dihydro-2h-pyrrol-2-ylidene)methyl]-4-methyl-1h-pyrrol-2-yl}methylidene)-5-{(z)-[(3e,4s)-3-ethylidene-4-methyl-5-oxopyrrolidin-2-ylidene]methyl}-4-methyl-2h-pyrrol-3-yl]propanoic acid 1.000 15 IE5 Biliverdine ix alpha 1.000 16 JRA 3-[2-[(~{z})-[5-[(~{z})-[(3~{S},4~{R})-3-ethenyl-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-2-ylidene]methyl]-5-[(~{z})-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 1.000 17 KP9 Bilin 618 (single linked) 1.000 18 KPX Bilin 584 (single linked) 1.000 19 KQ6 Bilin 584 (doubly linked) 1.000 20 LBV 3-[2-[(z)-[3-(2-carboxyethyl)-5-[(z)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-pyrrol-1-ium -2-ylidene]methyl]-5-[(z)-[(3e)-3-ethylidene-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-4-methyl-1h-pyrrol-3- yl]propanoic acid 1.000 21 LBW 3-[2-[(z)-[5-[(z)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-1-ium-2-ylidene]methyl]-5-[(z)-[(3e,4r)-3-ethylidene-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 1.000 22 M1V Mesobiliverdin ix(alpha) 1.000 23 O6E 3-[5-[[(3~{R},4~{R})-3-ethyl-4-methyl-5-oxidanylidene-3,4-dihydropyrrol-2-yl]methyl]-2-[[5-[(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 1.000 24 PUB Phycourobilin 1.000 25 PXQ 3-[5-[[(3~{R},4~{R})-3-ethyl-4-methyl-5-oxidanylidene-3,4-dihydropyrrol-2-yl]methyl]-2-[[5-[(~{z})-(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 1.000 26 UPB 3-[5-[(~{z})-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-2-[(~{z})-[5-[(~{z})-[(4~{R})-3-ethyl-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-2-ylidene]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 1.000 27 UYC 3-[2-[(~{z})-[5-[(~{z})-[(4~{R})-3-ethylidene-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-2-ylidene]methyl]-5-[(~{z})-(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 1.000 28 VHG 3-[2-[[5-[(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl]methyl]-5-[[(3~{S})-4-ethyl-3-methyl-2-oxidanylidene-1,3-dihydropyrrol-5-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 1.000 29 VRB Phycoviolobilin, blue light-absorbing form 1.000 30 BL3 3-[2-[(z)-[3-(2-carboxyethyl)-5-[(z)-(3-ethenyl-4-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-pyrrol-2-ylidene]methy L]-5-[(z)-(3-ethenyl-4-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 0.955 31 PP9 Protoporphyrin ix 0.932 32 BW9 Chromium protoporphyrin ix 0.911 33 COH Protoporphyrin ix containing co 0.911 34 CV0 Mesoporphyrin ix containing RH 0.911 35 GIX Protoporphyrin ix containing ga 0.911 36 HEB Heme B/C 0.911 37 HEC Heme C 0.911 38 HEG Protoporphyrin ix containing Mg 0.911 39 HEM Protoporphyrin ix containing Fe 0.911 40 HES Zinc substituted heme C 0.911 41 HNI Protoporphyrin ix containing ni(II) 0.911 42 ISW {3,3'-[(9s)-8,13-diethenyl-3,7,12,17-tetramethyl-9,10-dihydroporphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~]dipropanoato(2-)}iron 0.911 43 MH0 Mesoheme 0.911 44 MMP N-methylmesoporphyrin 0.911 45 MNH Manganese protoporphyrin ix 0.911 46 MNR Protoporphyrin ix containing Mn 0.911 47 PVG Phycoviolobilin, green light-absorbing form 0.911 48 PVN Phycoviolobilin 0.911 49 RUR [3,3'-(7,12-diethyl-3,8,13,17-tetramethylporphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~)dipropanoato(2-)]ruthenium 0.911 50 V8U 3-[5-[(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-2-[[5-[(3-ethyl-4-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 0.911 51 X2I (15,16)-dihydrobiliverdin (singly linked) 0.911 52 ZNH Protoporphyrin ix containing Zn 0.911 53 HCO 2-acetyl-protoporphyrin ix 0.891 54 ZEM 20-oxo-protoporphyrin ix containing Zn(II) 0.891 55 TBV 3-[2-[[3-(2-carboxyethyl)-5-[[3-ethenyl-4-methyl-5-[(2-methylpropan-2-yl)oxy]-1h-pyrrol-2-yl]methyl]-4-methyl-1h-pyrrol -2-yl]methyl]-5-[(z)-(4-ethenyl-3-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 0.875 56 522 Peroxidized heme 0.872 57 DDH [7,12-deacetyl-3,8,13,17-tetramethyl-21h,23h-porphine-2,18-dipropanoato(2-)-n21,n22,n23,n24]-iron 0.872 58 HEV 5,8-dimethyl-1,2,3,4-tetravinylporphine-6,7-dipropionic acid ferrous complex 0.872 59 HP5 Peroxidized heme form 2 0.872 60 CCH [7-ethenyl-12-formyl-3,8,13,17-tertramethyl-21h,23h-porphine-2,18-dipropanoato(2)-n21,n22,n23,n24]iron 0.870 61 HFM 2-formyl-protoporphryn ix 0.870 62 FDD Fe(III) 2,4-dimethyl deuteroporphyrin ix 0.867 63 89R Fluorinated heme 0.854 64 N7H Delta-meso nitroheme 0.854 65 NTE [3,3'-{7-ethenyl-3,8,13,17-tetramethyl-12-[(E)-2-nitroethenyl]porphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~}dipro panoato(2-)]iron 0.854 66 DE9 3,3'-(3,7,12,17-tetramethylporphyrin-2,18-diyl)dipropanoic acid 0.841 67 H02 N-methyl protoporphyrin ix 2,4-disulfonic acid 0.830 68 VEA 5-oxa-protoporphyrin ix containing Fe 0.830 69 6HE 6-methy-6-depropionatehemin 0.822 70 7HE 7-methyl-7-depropionatehemin 0.822 71 DEU Co(III)-(deuteroporphyrin ix) 0.822 72 FDE Fe(III) deuteroporphyrin ix 0.822 73 MD9 Magnesium deuteroporphyrin ix 0.822 74 ZND Zinc (II) deuteroporphyrin ix 0.822 75 CP3 Coproporphyrinogen III 0.820 76 HT9 Coproporphyrin III 0.820 77 CLN Sulfur substituted protoporphyrin ix 0.812 78 FMI Fe-(4-mesoporphyrinone)-R-isomer 0.812 79 HIF Fe(III)-(4-mesoporphyrinone) 0.812 80 MI9 Oxomolybdenum mesoporphyrin ix 0.812 81 MP1 N-methylmesoporphyrin containing copper 0.812 82 J1R (1r,19r) cobalt tetradehydrocorrin 0.809 83 J1S (1s,19s) cobalt tetradehydrocorrin 0.809 84 1FH 12-phenylheme 0.804 85 2FH 2-phenylheme 0.804 86 VER Iron-octaethylporphyrin 0.800 87 HDM Dimethyl propionate ester heme 0.796 88 WUF Benzyl[3,3'-(7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~)di(propanoato)(2-)]iron 0.788 89 VOV Harderoheme (III) 0.780 90 WC5 Protoporphyrin(cf3)2 containing Fe 0.765 91 WRK [2,18-bis(2-carboxyethyl)-7,12-diethenyl-3,8,13,17-tetramethyl-21-(2-oxo-3-phenylpropyl)porphyrin-21-iumato(2-)-kappa~3~N~22~,N~23~,N~24~]iron(2+) 0.745 92 6CO [3,3'-(7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~)di(propanoato)(2-)](phenyl)iron 0.736 93 76R [3,3',3'',3'''-(3,8,13,17-tetramethylporphyrin-2,7,12,18-tetrayl-kappa~4~N~21~,N~22~,N~23~,N~24~)tetra(propanoato)(2-)]manganese 0.736 94 DHE Heme D 0.736 95 4HE (4-chlorophenyl)[3,3'-(7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~)di(propanoato)(2-)]iron 0.722 96 6CQ [3,3'-(7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~)di(propanoato)(2-)](3-methylphenyl)iron 0.722 97 FEI 2-[3-[5-[(E)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-2-[[5-[(3-ethenyl-4-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-3-[3-oxidanylidene-3-(2-sulfoethylamino)propyl]-1h-pyrrol-2-yl]methyl]-4-methyl-1h-pyrrol-3-yl]propanoylamino]ethanesulfonic acid 0.719 98 A1L6M 3-[5-[(~{z})-(3-ethyl-4-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-2-[(~{z})-[4-(hydroxymethyl)-3-(3-hydroxy-3-oxopropyl)-5-[(~{z})-[3-methyl-5-oxidanylidene-4-[(1~{S},4~{E},8~{z})-5,9,13-trimethyl-1-oxidanyl-tetradeca-4,8,12-trienyl]pyrrol-2-ylidene]methyl]pyrrol-2-ylidene]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 0.717 99 6KI Co-octaethylporphyrin 0.714 100 HE5 Zinc(II)-deuteroporphyrin dimethylester 0.714 101 H01 Protoporphyrin ix 2,4-disulfonic acid 0.712 102 HDE Cis-heme D hydroxychlorin gamma-spirolactone 17r, 18s 0.706