tetrapyrrole biosynthetic process obsolete tetrapyrrole biosynthetic process from glycine and succinyl-CoA https://github.com/geneontology/go-ontology/issues/31932 true This term was obsoleted because it represents a specific pathway variant, which is out of scope for GO. tetrapyrrole biosynthesis from glycine and succinyl-CoA tetrapyrrole formation from glycine and succinyl-CoA tetrapyrrole anabolism from glycine and succinyl-CoA tetrapyrrole synthesis from glycine and succinyl-CoA GO:0033527 OBSOLETE. The chemical reactions and pathways leading to the formation of tetrapyrroles, natural pigments containing four pyrrole rings joined by one-carbon units linking position 2 of one pyrrole ring to position 5 of the next, from other compounds, including glycine and succinyl-CoA. biological_process