GO:0016020

membrane

Details: 
Double layer of lipid molecules that encloses all cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins.
GO Category: 
CC
LrgB superfamily
(AMT3) amt
Sugar_tr
(AMT2) amt
2A0303
DUF4137
ncs2
DEADc
Glucan_synthase superfamily
Aa_trans superfamily