AGPAT2 and Berardinelli-Seip congenital lipodystrophy: In addition, we also found a second variant of interest in a gene associated with congenital generalized lipodystrophy type 1: AGPAT2 (chr9:139581758insCAG; NM_006412.3:c.51_52insGTC; NP_006403.2:p.X18Leu; rs201504151).