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Relating to or denoting a ring composed of a relatively large number of atoms, such as occur in haem, chlorophyll, and several natural antibiotics.
‘Epothilones, macrocyclic lactones from culture filtrates of the myxobacterium Sorangium cellulosum, are known as taxol-like microtubular drugs in human medicine.’
‘The polar head is a macrocyclic lactone ring containing nine amino acid residues, three of which have positive charges, whereas one has negative charge.’
‘Collectively, they are called tetraamido macrocyclic ligands or TAML for short.’
‘The intermolecular interactions between the viologens and the macrocyclic molecule were investigated in a solution before photoirradiation.’
‘A porphyrin is a macrocyclic (large cycle) molecule that is made up of four smaller pyrrolenine rings.’