The cyclosporins are a group of macrolides isolated from fungi and used as immunosuppresant drugs, for example after transplant surgery. They are nonribosomal peptide synthesized by cyclosporin synthetase.[1]

References

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  1. ^ Lawen A (October 2015). "Biosynthesis of cyclosporins and other natural peptidyl prolyl cis/trans isomerase inhibitors". Biochimica et Biophysica Acta (BBA) - General Subjects. 1850 (10): 2111–20. doi:10.1016/j.bbagen.2014.12.009. PMID 25497210.