format-version: 1.2 date: 22:05:2013 00:29 default-namespace: uniprot:keywords [Typedef] id: category name: category is_cyclic: false [Term] id: KW-0472 name: Membrane def: "Protein which is membrane-bound or membrane-associated. A membrane is the layer which forms the boundary of cells and intracellular organelles. It is composed of two oriented lipid layers in which proteins are embedded and acts as a selective permeability barrier." [] xref: GO:0016020 "membrane" is_a: KW-9998 relationship: category KW-9998