has_part has part has part cell surface GO:0009928 GO:0009929 GO:0009986 Note that this term is intended to annotate gene products that are attached (integrated or loosely bound) to the plasma membrane or cell wall. The external part of the cell wall and/or plasma membrane. cell associated cell bound cellular_component cellular anatomical entity APOA4 AXL BGN CD80 CD38 CD40LG CRYAB FCER1A HLA-DRA ITGAL ITGAX ITGB4 ITGB5 MMP7 MRC1 NCAM1 NTRK1 PDGFRB PLAT PTN ROBO1 SLC9A3 SLC34A1 TGFB1 VCAM1 VEGFA ITGA8 NRXN1 LILRB2 PLVAP CLEC9A