||MHC class Ib receptor activity
- alpha-beta T cell receptor activity
- gamma-delta T cell receptor activity
- T cell receptor activity
||Combining with an MHC class Ib protein complex and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity. Class Ib here refers to non-classical class I molecules, such as those of the CD1 or HLA-E gene families.
||GO: Molecular Function