1 HEM Protoporphyrin ix containing Fe 1.000 2 HEB Heme B/C 1.000 3 HEC Heme C 1.000 4 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 1.000 5 MH0 Mesoheme 1.000 6 HCO 2-acetyl-protoporphyrin ix 0.977 7 PP9 Protoporphyrin ix 0.977 8 522 Peroxidized heme 0.956 9 DDH [7,12-deacetyl-3,8,13,17-tetramethyl-21h,23h-porphine-2,18-dipropanoato(2-)-n21,n22,n23,n24]-iron 0.956 10 HEV 5,8-dimethyl-1,2,3,4-tetravinylporphine-6,7-dipropionic acid ferrous complex 0.956 11 HP5 Peroxidized heme form 2 0.956 12 BW9 Chromium protoporphyrin ix 0.955 13 CCH [7-ethenyl-12-formyl-3,8,13,17-tertramethyl-21h,23h-porphine-2,18-dipropanoato(2)-n21,n22,n23,n24]iron 0.955 14 COH Protoporphyrin ix containing co 0.955 15 CV0 Mesoporphyrin ix containing RH 0.955 16 GIX Protoporphyrin ix containing ga 0.955 17 H02 N-methyl protoporphyrin ix 2,4-disulfonic acid 0.955 18 HEG Protoporphyrin ix containing Mg 0.955 19 HES Zinc substituted heme C 0.955 20 HFM 2-formyl-protoporphryn ix 0.955 21 HNI Protoporphyrin ix containing ni(II) 0.955 22 MNH Manganese protoporphyrin ix 0.955 23 MNR Protoporphyrin ix containing Mn 0.955 24 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 0.955 25 ZNH Protoporphyrin ix containing Zn 0.955 26 FDD Fe(III) 2,4-dimethyl deuteroporphyrin ix 0.953 27 N7H Delta-meso nitroheme 0.935 28 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~}dipropanoato(2-)]iron 0.935 29 ZEM 20-oxo-protoporphyrin ix containing Zn(II) 0.933 30 18B 3-[2-[(z)-[3-(2-carboxyethyl)-5-[(z)-(3-ethenyl-4-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-pyrrol-2-ylidene]methyl]-5-[(z)-(4-ethyl-3-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 0.911 31 BLA Biliverdine ix alpha 0.911 32 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 0.911 33 BLV Biliverdin ix gamma chromophore 0.911 34 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 0.911 35 CYC Phycocyanobilin 0.911 36 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 0.911 37 PEB Phycoerythrobilin 0.911 38 PUB Phycourobilin 0.911 39 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 0.911 40 VRB Phycoviolobilin, blue light-absorbing form 0.911 41 6HE 6-methy-6-depropionatehemin 0.907 42 7HE 7-methyl-7-depropionatehemin 0.907 43 FDE Fe(III) deuteroporphyrin ix 0.907 44 CLN Sulfur substituted protoporphyrin ix 0.891 45 FMI Fe-(4-mesoporphyrinone)-R-isomer 0.891 46 HIF Fe(III)-(4-mesoporphyrinone) 0.891 47 DE9 3,3'-(3,7,12,17-tetramethylporphyrin-2,18-diyl)dipropanoic acid 0.884 48 1FH 12-phenylheme 0.878 49 2FH 2-phenylheme 0.878 50 HDM Dimethyl propionate ester heme 0.872 51 BL3 3-[2-[(z)-[3-(2-carboxyethyl)-5-[(z)-(3-ethenyl-4-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-pyrrol-2-ylidene]methyl]-5-[(z)-(3-ethenyl-4-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 0.870 52 MMP N-methylmesoporphyrin 0.870 53 VEA 5-oxa-protoporphyrin ix containing Fe 0.870 54 DEU Co(III)-(deuteroporphyrin ix) 0.864 55 MD9 Magnesium deuteroporphyrin ix 0.864 56 ZND Zinc (II) deuteroporphyrin ix 0.864 57 CP3 Coproporphyrinogen III 0.857 58 89R Fluorinated heme 0.854 59 VOV Harderoheme (III) 0.854 60 MI9 Oxomolybdenum mesoporphyrin ix 0.851 61 MP1 N-methylmesoporphyrin containing copper 0.851 62 J1R (1r,19r) cobalt tetradehydrocorrin 0.848 63 J1S (1s,19s) cobalt tetradehydrocorrin 0.848 64 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 0.837 65 2VO Phytochromobilin, bound form 0.830 66 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 0.830 67 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]propanoic acid 0.830 68 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 0.830 69 DBV 15,16-dihydrobiliverdin 0.830 70 EL5 Biliverdin 0.830 71 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 0.830 72 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 0.830 73 M1V Mesobiliverdin ix(alpha) 0.830 74 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 0.830 75 PVG Phycoviolobilin, green light-absorbing form 0.830 76 PVN Phycoviolobilin 0.830 77 VER Iron-octaethylporphyrin 0.818 78 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 0.804 79 DHE Heme D 0.804 80 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 0.788 81 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 0.788 82 HDD Cis-heme D hydroxychlorin gamma-spirolactone 0.776 83 HDE Cis-heme D hydroxychlorin gamma-spirolactone 17r, 18s 0.776 84 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 0.769 85 FEC 1,3,5,8-tetramethyl-porphine-2,4,6,7-tetrapropionic acid ferrous complex 0.769 86 MBV Mesobiliverdin IV alpha 0.755 87 OBV 12,18-didecarboxy-siroheme 0.754 88 HE5 Zinc(II)-deuteroporphyrin dimethylester 0.750 89 H01 Protoporphyrin ix 2,4-disulfonic acid 0.745 90 HEO Heme O 0.729 91 1CP Coproporphyrinogen I 0.717 92 HEA Heme-a 0.717 93 UFE Fe(III) uroporphyrin 0.705 94 PC3 Coproporphyrin I containing co(III) 0.704 95 HE6 6,7-dicarboxyl-1,2,3,4,5,8-hexamethylhemin 0.702