The protein encoded by this gene is a membrane receptor that is activated by the binding of CD28 or CTLA-4. The activated protein induces T-cell proliferation and cytokine production. This protein can act as a receptor for adenovirus subgroup B and may play a role in lupus neuropathy. [provided by RefSeq, Aug 2011]
Bone marrow & Lymphoid tissuesBrainBreast and female reproductive systemConnective & Soft tissueEndocrine tissuesEyeGastrointestinal tractKidney & Urinary bladderLiver & GallbladderLymphoidMale reproductive systemMuscle tissuesMyeloidPancreasProximal digestive tractRespiratory systemSkin
* nTPM: Normalized TPM levels represent consensus gene expression calculated using two data sets. Read more RNA data sourced from Human Protein Atlas.