This family of proteins plays a role in the Fanconi anemia-associated DNA damage response [1].

1: FAAP100 is essential for activation of the Fanconi anemia-associated DNA damage response pathway. Ling C, Ishiai M, Ali AM, Medhurst AL, Neveling K, Kalb R, Yan Z, Xue Y, Oostra AB, Auerbach AD, Hoatlin ME, Schindler D, Joenje H, de Winter JP, Takata M, Meetei AR, Wang W; EMBO J. 2007;26:2104-2114. PMID:17396147