. "The import of proteins into the space between the inner and outer mitochondrial membranes." . . . "protein import into mitochondrial intermembrane space" . "mitochondrial intermembrane space protein import" . "protein import into mitochondrial IMS" . "protein import into mitochondrial intermembrane space, direct" . "protein import into mitochondrial intermembrane space, nonconservative" . "protein transport into mitochondrial IMS" . "protein transport into mitochondrial intermembrane space" . . . . .