GO:0030176	C	1.00	integral component of endoplasmic reticulum membrane
GO:0016020	C	0.37	membrane
GO:0043226	C	0.22	organelle
GO:0043229	C	0.21	intracellular organelle
GO:0043227	C	0.21	membrane-bounded organelle
GO:0043231	C	0.19	intracellular membrane-bounded organelle
GO:0005789	C	0.11	endoplasmic reticulum membrane
