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Protoporphyrins

"Protoporphyrins" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

expand / collapse MeSH information
Porphyrins with four methyl, two vinyl, and two propionic acid side chains attached to the pyrrole rings. Protoporphyrin IX occurs in hemoglobin, myoglobin, and most of the cytochromes.


expand / collapse publications
This graph shows the total number of publications written about "Protoporphyrins" by people in this website by year, and whether "Protoporphyrins" was a major or minor topic of these publications.
Bar chart showing 9 publications over 9 distinct years, with a maximum of 1 publications in 2014 and 2015 and 2017 and 2019 and 2020 and 2023 and 2024 and 2025 and 2026
To see the data from this visualization as text, click here.