Source:http://linkedlifedata.com/resource/umls/id/C1157821
GO: The chemical reactions and pathways involving peptidoglycans, any of a class of glycoconjugates found only in bacterial cell walls and consisting of strands of glycosaminoglycan cross-linked by oligopeptides to form a huge and rigid network. [http://www.dsmz.de/species/murein.htm, ISBN:0198506732]