Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC49942/ Partial purification and reconstitution of the human multidrug-resistance pump: characterization of... Multidrug-resistant human tumor cells overexpress the MDR1 gene product P-glycoprotein, which is believed to function as an ATP-dependent efflux pump. In this... multidrug resistance pumpof thepartialpurificationreconstitution