EYA4, deleted in a case with middle interhemispheric variant of holoprosencephaly, interacts with SIX3 both physically and functionally.

Abe Y, Oka A, Mizuguchi M, Igarashi T, Ishikawa S, Aburatani H, Yokoyama S, Asahara H, Nagao K, Yamada M, Miyashita T.Hum. Mutat. 2009 Oct;30(10):E946-55. doi: 10.1002/humu.21094