IMGT, the international ImMunoGeneTics project, is a collection of high-quality integrated databases specialising in Immunoglobulins, T cell receptors and the Major Histocompatibility Complex (MHC) of all vertebrate species.IMGT/LIGM is a comprehensive database of fully annotated sequences of Immunoglobulins and T cell receptors from human and other vertebrates.IMGT/HLA is a database for sequences of the human MHC, referred to as HLA.IMGT/MHC a centralised repository for sequences of the major histocompatibilty complex from a number of different species.