structure of cyclophilin a (green) complexed with immunosuppressant cyclosporin (brown)

aging background biochemistry biology cancer cartoon cell chain chemistry colors complex computer cyclophilin cyclosporin cypa dimensional education enzyme gaussian graphics health helix human illustration immune immunity immunosuppressant interaction isolated isomerase isozyme killer medicine metabolism model molecule natural peptidylprolyl physiology pink protein ribbon science secondary shape strand structure surface system tertiary three white