has primary output has primary input glutamate(1-) tetrapyrrole glutamate metabolic process biosynthetic process tetrapyrrole biosynthetic process tetrapyrrole biosynthetic process from glutamate tetrapyrrole synthesis from glutamate tetrapyrrole formation from glutamate 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 L-glutamate. MetaCyc:PWY-5188 GO:0033526 tetrapyrrole anabolism from glutamate tetrapyrrole biosynthesis from glutamate