RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0137318
RefMet nameHeme
Systematic nameferrous;3-[18-(2-carboxyethyl)-3,8,13,17-tetramethyl-7,12-divinyl-porphyrin-21,23-diid-2-yl]propanoic acid
SynonymsPubChem Synonyms
Exact mass616.177295 (neutral)
Calculate m/z:   
View other RefMet entries with this exact (neutral) mass:   +/- 0.05 amu   +/- 0.1 amu   +/- 0.2 amu   +/- 0.5 amu
FormulaC34H32FeN4O4View other entries in RefMet with this formula
Molecular descriptors
Molfile69918 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C34H34N4O4.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;/h7-8,13-16H,1-2,9-12H2,3-6H3,(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-;
InChIKeyKABFMIBPWCXCRK-RGGAHWMASA-LView other enantiomers/diastereomers of this metabolite in RefMet
SMILESC=Cc1c(C)c2/C=C\3/C(=C(CCC(=O)O)C(=N3)/C=c\3/c(CCC(=O)O)c(C)/c(=C/C4=N/C(=C\c1[n-]2)/C(=C4C=C)C)/[n-]3)C.[Fe+2]
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassOrganoheterocyclic compounds
Main ClassMetallotetrapyrroles
Sub ClassMetalloporphyrins
Distribution of Heme in NMDR studies
SpeciesPlot Species distribution
Sample sourcePlot Sample source(tissue) distribution
StudiesNMDR Studies reporting Heme
External Links
Pubchem CID26945
ChEBI ID26355
KEGG IDC00032
HMDB IDHMDB0003178
Structural annotation level
Annotation level1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving Heme

Rxn IDKEGG ReactionEnzyme
R00310 Protoporphyrin + Fe2+ <=> Heme + 2 H+protoheme ferro-lyase (protoporphyrin-forming)
R00311 Heme + 3 [Reduced NADPH---hemoprotein reductase] + 3 Oxygen <=> Biliverdin + CO + Fe2+ + 3 [Oxidized NADPH---hemoprotein reductase] + 3 H2Oprotoheme,NADPH---hemoprotein reductase:oxygen oxidoreductase (alpha-methene-oxidizing, hydroxylating)
R02480 Cytochrome c <=> Apocytochrome c + HemeCytochrome c apocytochrome-c-lyase
R07411 Heme + H2O + trans,trans-Farnesyl diphosphate <=> Heme O + Diphosphate(2E,6E)-farnesyl-diphosphate:protoheme IX farnesyltranstransferase
R11579 Heme + 6 Reduced ferredoxin + 3 Oxygen + 6 H+ <=> Biliverdin + Fe2+ + CO + 6 Oxidized ferredoxin + 3 H2Oprotoheme,reduced ferredoxin:oxygen oxidoreductase (alpha-methene-oxidizing, hydroxylating)

Table of KEGG human pathways containing Heme

Pathway IDHuman Pathway# of reactions
hsa00860 Porphyrin and chlorophyll metabolism 4
hsa01100 Metabolic pathways 1
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