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CHEBI:26355 - heme b

ChEBI IDCHEBI:26355
ChEBI Nameheme b
Stars
ASCII Nameheme b
DefinitionA metalloprotoporphyrin in which the four pyrrole nitrogens of the protoporphyrin moiety are coordinated to iron. It is the most abundant of the heme compounds.
Last Modified9 February 2018
DownloadsMolfile
FormulaC34H32FeN4O4
Net Charge0
Average Mass616.499
Monoisotopic Mass616.17729
SMILESC=CC1=C(C)C2=Cc3c(C=C)c(C)c4[n]3[Fe]35[N]2=C1C=c1c(C)c(CCC(=O)O)c([n]13)=CC1=[N]5C(=C4)C(C)=C1CCC(=O)O
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-L
Wikipedia
Roles Classification
Biological Roles:
metabolite  Any intermediate or product resulting from metabolism. The term 'metabolite' subsumes the classes commonly known as primary and secondary metabolites.
prosthetic group  A tightly bound, specific nonpolypeptide unit in a protein determining and involved in its biological activity.
cofactor  An organic molecule or ion (usually a metal ion) that is required by an enzyme for its activity. It may be attached either loosely (coenzyme) or tightly (prosthetic group).
cofactor  An organic molecule or ion (usually a metal ion) that is required by an enzyme for its activity. It may be attached either loosely (coenzyme) or tightly (prosthetic group).
ChEBI Ontology
Outgoing Relation(s)
heme b (CHEBI:26355) is a heme (CHEBI:30413)
heme b (CHEBI:26355) is a metalloprotoporphyrin (CHEBI:36158)
Incoming Relation(s)
ferriheme b (CHEBI:36144) is a heme b (CHEBI:26355)
ferriheme b(1−) (CHEBI:55376) is a heme b (CHEBI:26355)
ferroheme b (CHEBI:17627) is a heme b (CHEBI:26355)
hematin (CHEBI:36161) is a heme b (CHEBI:26355)
hemin (CHEBI:50385) is a heme b (CHEBI:26355)
IUPAC Name 
(protoporphyrinato)iron
Synonyms  Source
[3,7,12,17-tetramethyl-8,13-divinylporphyrin-2,18-dipropanoato(2−)]ironIUPAC
(7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-dipropanoato)ironIUPAC
HaemKEGG COMPOUND
hemeChEBI
heme bIUPAC
Heme BKEGG COMPOUND
Manual XrefsDatabases
3KS0PDB
C00032KEGG COMPOUND
ECMDB03178ECMDB
HEMPDBeChem
Heme_BWikipedia
Registry NumbersSources
CAS:14875-96-8KEGG COMPOUND
Citations