GO:0006779

porphyrin-containing compound biosynthetic process

Details: 
The chemical reactions and pathways resulting in the formation of any member of a large group of derivatives or analogs of porphyrin. Porphyrin consists of a ring of four pyrrole nuclei linked each to the next at their alpha positions through a methine group. [GOC:jl, ISBN:0198506732]
Evidence Code: