GO molecular function ontology term - GO:0004418 - hydroxymethylbilane synthase activity
Term summary
- ID
- GO:0004418
- Name
- hydroxymethylbilane synthase activity
- Ontology or CV name
- GO molecular function
- Definition
- Catalysis of the reaction: H2O + 4 porphobilinogen = hydroxymethylbilane + 4 NH4.