PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1650757-6 1991 Two major forms of TCR gamma/delta could be identified that are characterized by the presence or absence of an inter-chain disulphide bond. disulphide 123-133 T cell receptor beta variable 20/OR9-2 (non-functional) Homo sapiens 19-22