GO:0006778

porphyrin-containing compound metabolic process

Details: 
The chemical reactions and pathways involving any member of a large group of derivatives or analogs of porphyrin. Porphyrins 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: 
IEA