# porphobilinogen

> English word · Noun

## Definitions
1. A pyrrole involved in porphyrin metabolism, generated by aminolevulinate and the enzyme ALA dehydratase.

## Etymology
From porphobilin + -o- + -gen.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/porphobilinogen