| Dataset | GeneRIF Biological Term Annotations |
| Category | structural or functional annotations |
| Type | biological term |
| Description | Natural pigments containing a fundamental skeleton of four pyrrole nuclei united through the alpha-positions by four methine groups to form a macrocyclic structure. (Chemical Entities of Biological Interest Ontology, CHEBI_26214) |
| Similar Terms | |
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4 genes co-occuring with the biological term porphyrins in literature-supported statements describing functions of genes from the GeneRIF Biological Term Annotations dataset.
