1	OBV	12,18-didecarboxy-siroheme	1.000
2	F0X	Cobalt-sirohydrochlorin	0.875
3	P8X	Desmethyl-hba	0.859
4	COJ	Hydrogenobyrinic acid	0.846
5	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	0.828
6	3Y8	3-[(1r,2s,3s,7s,11s,16s,17r,18r,19r)-2,7,12,18-tetrakis(2-hydroxy-2-oxoethyl)-3,13-bis(3-hydroxy-3-oxopropyl)-1,2,5,7,11,17-hexamethyl-17-(3-oxidanyl-3-oxidanylidene-prop-1-enyl)-3,6,8,10,15,16,18,19,21,24-decahydrocorrin-8-yl]propanoic acid	0.821
7	DHE	Heme D	0.797
8	HEV	5,8-dimethyl-1,2,3,4-tetravinylporphine-6,7-dipropionic acid ferrous complex	0.789
9	UPI	3-[(1z,9z)-3,8,13,18-tetrakis(2-hydroxy-2-oxoethyl)-7,12,17-tris(3-hydroxy-3-oxopropyl)-21,23-dihydroporphyrin-2-yl]propanoic acid	0.773
10	HEB	Heme B/C	0.754
11	HEC	Heme C	0.754
12	HEM	Protoporphyrin ix containing Fe	0.754
13	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	0.754
14	MH0	Mesoheme	0.754
15	7J8	3-[4-(2-hydroxy-2-oxoethyl)-5-[[4-(2-hydroxy-2-oxoethyl)-5-[[4-(2-hydroxy-2-oxoethyl)-5-[[4-(2-hydroxy-2-oxoethyl)-3-(3-hydroxy-3-oxopropyl)-5-methyl-1~{H}-pyrrol-2-yl]methyl]-3-(3-hydroxy-3-oxopropyl)-1~{H}-pyrrol-2-yl]methyl]-3-(3-hydroxy-3-oxopropyl)-1~{H}-pyrrol-2-yl]methyl]-1~{H}-pyrrol-3-yl]propanoic acid	0.746
16	VOV	Harderoheme (III)	0.746
17	HCO	2-acetyl-protoporphyrin ix	0.741
18	PP9	Protoporphyrin ix	0.737
19	522	Peroxidized heme	0.729
20	DDH	[7,12-deacetyl-3,8,13,17-tetramethyl-21h,23h-porphine-2,18-dipropanoato(2-)-n21,n22,n23,n24]-iron	0.729
21	HP5	Peroxidized heme form 2	0.729
22	BW9	Chromium protoporphyrin ix	0.724
23	CCH	[7-ethenyl-12-formyl-3,8,13,17-tertramethyl-21h,23h-porphine-2,18-dipropanoato(2)-n21,n22,n23,n24]iron	0.724
24	COH	Protoporphyrin ix containing co	0.724
25	CV0	Mesoporphyrin ix containing RH	0.724
26	GIX	Protoporphyrin ix containing ga	0.724
27	H02	N-methyl protoporphyrin ix 2,4-disulfonic acid	0.724
28	HEG	Protoporphyrin ix containing Mg	0.724
29	HES	Zinc substituted heme C	0.724
30	HFM	2-formyl-protoporphryn ix	0.724
31	HNI	Protoporphyrin ix containing ni(II)	0.724
32	MMP	N-methylmesoporphyrin	0.724
33	MNH	Manganese protoporphyrin ix	0.724
34	MNR	Protoporphyrin ix containing Mn	0.724
35	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	0.724
36	VEA	5-oxa-protoporphyrin ix containing Fe	0.724
37	ZNH	Protoporphyrin ix containing Zn	0.724
38	1CP	Coproporphyrinogen I	0.721
39	FDD	Fe(III) 2,4-dimethyl deuteroporphyrin ix	0.719
40	89R	Fluorinated heme	0.717
41	N7H	Delta-meso nitroheme	0.717
42	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	0.717
43	FMI	Fe-(4-mesoporphyrinone)-R-isomer	0.712
44	HIF	Fe(III)-(4-mesoporphyrinone)	0.712
45	MI9	Oxomolybdenum mesoporphyrin ix	0.712
46	MP1	N-methylmesoporphyrin containing copper	0.712
47	ZEM	20-oxo-protoporphyrin ix containing Zn(II)	0.712
48	PC3	Coproporphyrin I containing co(III)	0.710
49	PQ2	3,3',3'',3'''-[(7s,8s,12s,13s)-3,8,13,17-tetrakis(carboxymethyl)-8,13-dimethyl-7,8,12,13,20,24-hexahydroporphyrin-2,7,1 2,18-tetrayl]tetrapropanoic acid	0.700
50	SH0	3,3',3'',3'''-[(1r,2s,3s,4s,7s,8s,11s,12s,13s,16s,19s)-3,8,13,17-tetrakis(carboxylatomethyl)-8,13-dimethyl-1,2,3,4,7,8,11,12,13,16,19,20,22,24-tetradecahydroporphyrin-2,7,12,18-tetrayl]tetrapropanoate	0.700
51	SHN	3,3',3'',3'''-[(7s,8s,12s,13s)-3,8,13,17-tetrakis(carboxymethyl)-8,13-dimethyl-7,8,12,13-tetrahydroporphyrin-2,7,12,18-tetrayl]tetrapropanoic acid	0.700