U.S. flag

An official website of the United States government


Send to:

Choose Destination


The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.

PubMed search builder options


Tree Number(s): D03.383.129.578.840.500.640.587, D03.633.400.909.500.640.587, D04.345.783.500.640.587, D23.767.727.640.587

MeSH Unique ID: D006418

Registry Number: 42VZT0U6YR

Entry Terms:

  • Ferroprotoporphyrin
  • Heme b
  • Protoheme
  • Protoheme IX
  • Haem

Supplemental Content

Loading ...