6x4m
Human cyclophilin a bound to a series of acylcic and macrocyclic inhibitors: tert-butyl [(2s)-1-{[(3s,17s)-2,16-dioxo-10,15-dioxa-1,21-diazatricyclo[15.3.1.1~5,9~]docosa-5(22),6,8-trien-3-yl]amino}-3-methyl-1-oxobutan-2-yl]carbamate (compound 3)