Complex sentence: Rapamycin will bind to cytosolic FKBP12 and act as a scaffold molecule, allowing this protein to dock on the FBP regulatory region on mTORC1, inhibiting its function through processes not yet known.
Split into simpler sentences: Rapamycin will bind to cytosolic FKBP12 and act as a scaffold molecule, allowing this protein to dock on the FBP regulatory region on mTORC1. The binding of the FKBP12-rapamycin complex to the FBP regulatory region inhibits mTORC1 through processes not yet known.