Molecular Functions

GO:0042802
identical protein binding
GO:0005515
protein binding
GO:0005102
receptor binding
GO:0005057
receptor signaling protein activity

Cellular Components

GO:0009986
cell surface
GO:0005887
integral to plasma membrane
GO:0005622
intracellular
GO:0005886
plasma membrane

Biological Process

GO:0007411
axon guidance
GO:0006968
cellular defense response
GO:0045087
innate immune response
GO:0035556
intracellular signal transduction
GO:0050776
regulation of immune response
GO:0007165
signal transduction