MH0

Mesoheme

Created:	2013-05-03
Last modified:	2026-07-31

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13 entries where MH0 is found as a standalone ligand2 entries where MH0 is covalently linked to polymer or other heterogen groups

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Chemical Details
Formal Charge	0
Atom Count	79
Chiral Atom Count	1
Bond Count	86
Aromatic Bond Count	5

2D diagram of MH0

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Chemical Component Summary
Name	Mesoheme
Systematic Name (OpenEye OEToolkits)	3-[9,14-diethyl-20-(3-hydroxy-3-oxopropyl)-5,10,15,19-tetramethyl-2$l^{4},22,23$l^{4},25-tetraza-1$l^{4}-ferraoctacyclo[11.9.1.1^{1,8}.1^{3,21}.0^{2,6}.0^{16,23}.0^{18,22}.0^{11,25}]pentacosa-2,4,6,8,10,12,14,16(23),17,19,21(24)-undecaen-4-yl]propanoic acid
Formula	C₃₄ H₃₆ Fe N₄ O₄
Molecular Weight	620.519
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	O=C(O)CCC1=C(C)C2=Cc3c(CC)c(C)c4C=C5C(CC)=C(C)C=6C=C7C(C)=C(CCC(=O)O)C8=CC1=N2[Fe](n43)(N5=6)N78
SMILES	CACTVS	3.385	CCC1=C(C)C2=NC1=Cc3n4[Fe][N]5C(=C2)C(=C(CCC(O)=O)C5=CC6=NC(=Cc4c(CC)c3C)C(=C6CCC(O)=O)C)C
SMILES	OpenEye OEToolkits	3.1.0.0	CCc1c(c2n3c1C=C4C(=C(C5=[N]4[Fe]36[N]7=C(C=C8N6C(=C5)C(=C8C)CCC(=O)O)C(=C(C7=C2)CC)C)CCC(=O)O)C)C
Canonical SMILES	CACTVS	3.385	CCC1=C(C)C2=NC1=Cc3n4[Fe][N@@]5C(=C2)C(=C(CCC(O)=O)C5=CC6=NC(=Cc4c(CC)c3C)C(=C6CCC(O)=O)C)C
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	CCc1c(c2n3c1C=C4C(=C(C5=[N]4[Fe]36[N]7=C(C=C8N6C(=C5)C(=C8C)CCC(=O)O)C(=C(C7=C2)CC)C)CCC(=O)O)C)C
InChI	InChI	1.06	InChI=1S/C34H38N4O4.Fe/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h13-16H,7-12H2,1-6H3,(H4,35,36,37,38,39,40,41,42);/q;+2/p-2/b25-13-,26-13-,27-14-,28-15-,29-14-,30-15-,31-16-,32-16-;
InChIKey	InChI	1.06	YZTICFPLOXKSQO-RGGAHWMASA-L

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.