PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1881894-1 1991 We investigated whether staphylococcal exotoxins (SEs), in addition to their capacity to induce T-cell activation restricted by the T-cell receptor (TCR) beta-chain variable region, can deliver an activation signal to human T-cell clones through major histocompatibility complex (MHC) class II molecules. ses 50-53 T cell receptor beta variable 20/OR9-2 (non-functional) Homo sapiens 132-147 1881894-1 1991 We investigated whether staphylococcal exotoxins (SEs), in addition to their capacity to induce T-cell activation restricted by the T-cell receptor (TCR) beta-chain variable region, can deliver an activation signal to human T-cell clones through major histocompatibility complex (MHC) class II molecules. ses 50-53 T cell receptor beta variable 20/OR9-2 (non-functional) Homo sapiens 149-152