The immunosuppressant tacrolimus (FK506) inhibits C. glabrata Cdr1 efflux pump function by stabilizing the inward-facing conformation.
Rim Baccouch, Theo Benefice, Eleftherios Zarkadas, Nour Samrouth, Jorgaq Pata, Sandrine Magnard, Florent Di Meo, Raphaël Terreux, Stephanie Aguero, Ahcène Boumendjel, Guy Schoehn, Erwin Lamping, Pierre Falson, Vincent Chaptal
This paper reveals that tacrolimus inhibits C. glabrata Cdr1 by stabilizing its inward-facing conformation, blocking ATP hydrolysis and azole transport.
bioRxiv · Jul 8, 2026 · PreprintBiochemistry