gene vertebrate_immune_system_gene sequence The configuration of the IG and TR variable (V), diversity (D) and joining (J) germline genes before DNA rearrangements (with or without constant (C) genes in undefined configuration. (germline, non rearranged regions of the IG DNA loci). These terms have been requested by Adam Frankish to support Gencode and Vega biotypes. The terms are defined according to IGMT. SO:0002121 nicole immune_gene 2016-08-23T15:54:51Z