title: Letter: A suggested nomenclature for bacterial host modification and restriction systems and their enzymes.
mesh_terms: D001419:Bacteria / Q000201:enzymology*; D003851:Deoxyribonucleases / Q000145:classification*; D004720:Endonucleases / Q000145:classification*; D004926:Escherichia coli / Q000201:enzymology; D006190:Haemophilus / Q000201:enzymology; D008780:Methyltransferases / Q000145:classification*; D012486:Salmonella typhimurium / Q000201:enzymology; D009626:Terminology as Topic
chemical_list: D008780:Methyltransferases; D003851:Deoxyribonucleases; D004720:Endonucleases