Cellular Component Annotation. This figure is reproduced from MacPhee et al . The figure shows micrographs that are the results of an immunofluorescence localization of the ATP1A1 protein. The illuminated areas show the location of the protein along the plasma membrane. Reprinted from Developmental Biology, 222, MacPhee et al, Differential involvement of Na(+),K(+)-ATPase isozymes in preimplantation development of the mouse, 486-498, Copyright 2000, with permission from Elsevier.