Endogenous SLP-2 is localized to the mitochondria (Immunocytochemical staining). Endogenous SLP-2 (green) (up) and endogenous mitochondrial HSP70 (red) (middle) were detected in methanol fixed HeLa cells using 045304 (1:100) and a pAb to mitochondrial HSP70, respectively. Picture courtesy of Dr. Sandrine Da Cruz, University of Geneva.