EOG8MD0FN GO:0007156 3/51 homophilic cell adhesion via plasma membrane adhesion molecules biological_process "The attachment of a plasma membrane adhesion molecule in one cell to an identical molecule in an adjacent cell." [ISBN:0198506732] EOG8MD0FN GO:0016021 3/51 integral component of membrane cellular_component "The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane." [GOC:dos, GOC:go_curators] EOG8MD0FN GO:0005509 3/51 calcium ion binding molecular_function "Interacting selectively and non-covalently with calcium ions (Ca2+)." [GOC:ai] EOG8MD0FN GO:0005886 3/51 plasma membrane cellular_component "The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins." [ISBN:0716731363]