Source:http://linkedlifedata.com/resource/umls/id/C1819983
GO: The chemical reactions and pathways involving a cephalosporin, any of large class of tetracyclic triterpene broad-spectrum antibiotics similar both chemically and in their mode of action to penicillin, first isolated from the culture filtrates of mediterranean fungus acremonium (cephalosporium acremonium), and effective against gram-positive bacteria. [CHEBI:23066, GOC:jl, Wikipedia:Cephalosporin]