. "\"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]" . . "porphyrin-containing compound metabolic process" . "Reactome:REACT_100361 \"Metabolism of porphyrins, Taeniopygia guttata\"" . "Reactome:REACT_103508 \"Metabolism of porphyrins, Arabidopsis thaliana\"" . "Reactome:REACT_104024 \"Metabolism of porphyrins, Plasmodium falciparum\"" . "Reactome:REACT_105251 \"Metabolism of porphyrins, Rattus norvegicus\"" . "Reactome:REACT_106196 \"Metabolism of porphyrins, Gallus gallus\"" . "Reactome:REACT_108935 \"Metabolism of porphyrins, Xenopus tropicalis\"" . "Reactome:REACT_112552 \"Metabolism of porphyrins, Caenorhabditis elegans\"" . "Reactome:REACT_30128 \"Metabolism of porphyrins, Mycobacterium tuberculosis\"" . "Reactome:REACT_31598 \"Metabolism of porphyrins, Drosophila melanogaster\"" . "Reactome:REACT_78336 \"Metabolism of porphyrins, Mus musculus\"" . "Reactome:REACT_79998 \"Metabolism of porphyrins, Escherichia coli\"" . "Reactome:REACT_80114 \"Metabolism of porphyrins, Oryza sativa\"" . "Reactome:REACT_80583 \"Metabolism of porphyrins, Schizosaccharomyces pombe\"" . "Reactome:REACT_81026 \"Metabolism of porphyrins, Canis familiaris\"" . "Reactome:REACT_82672 \"Metabolism of porphyrins, Bos taurus\"" . "Reactome:REACT_83643 \"Metabolism of porphyrins, Saccharomyces cerevisiae\"" . "Reactome:REACT_87067 \"Metabolism of porphyrins, Sus scrofa\"" . "Reactome:REACT_89963 \"Metabolism of porphyrins, Dictyostelium discoideum\"" . "Reactome:REACT_91680 \"Metabolism of porphyrins, Staphylococcus aureus N315\"" . "Reactome:REACT_9431 \"Metabolism of porphyrins, Homo sapiens\"" . "Reactome:REACT_97983 \"Metabolism of porphyrins, Danio rerio\"" . "Wikipedia:Porphyrin" . . . "porphyrin metabolism" . "porphyrin metabolic process" .