Source:http://linkedlifedata.com/resource/umls/id/C1156951
GO: The chemical reactions and pathways involving para-aminobenzoic acid, an intermediate in the synthesis of folic acid, a compound which some organisms, e.g. prokaryotes, eukaryotic microbes, and plants, can synthesize de novo. Others, notably mammals, cannot. In yeast, it is present as a factor in the B complex of vitamins. [ISBN:0198506732, PMID:11377864, PMID:11960743]