part_of part of part of has_part has part has part plasma membrane GO:0005886 GO:0005904 NIF_Subcellular:sao1663586795 Wikipedia:Cell_membrane cellular_component cell membrane cytoplasmic membrane GO:0005887 cellular membrane integral to plasma membrane plasmalemma plasma membrane lipid bilayer inner endospore membrane The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins. bacterial inner membrane juxtamembrane integral component of plasma membrane membrane cell periphery APOE AQP1 AQP2 AQP3 CA2 CD1C CD1E CD3D CD3G CD247 CD14 CD38 CD40LG CD79A CSF3R FCER1A MS4A2 FCGR3A FCGR3B FLT1 FLT3 HLA-DRA IGKC IL3RA IL7R ITGAL ITGAX KIT LRP2 MCAM MRC1 NCAM1 NPHS1 NTRK1 PDGFRB SLC26A4 PECAM1 PODXL REN ROBO1 S100A8 S100A9 SCN7A SCNN1G SLC4A1 SLC4A2 SLC5A2 SLC8A1 SLC9A3 SLC12A1 SLC12A3 SLC13A1 SLC14A1 SLC17A1 SLC34A1 VCAM1 NPHS2 CUBN SLC14A2 ITGA8 CD163 SLC22A6 SLC22A8 NRXN1 CD96 LILRB2 SLC22A7 CDH19 EMCN FXYD4 TRPV5 SLC13A3 FCRL5 SLC4A9 SLC26A7 SLC5A11 TRPM6 CADM2 CRB2