This domain, approximately 40-50 residues in length, is mainly found in nuclear migration proteins in various Mammalia species [1]. It may play a role not only in mitosis and cytokinesis [1], but also in interkinetic nuclear migration and neuronal migration during neocortical development [2].

1: Role for NudC, a dynein-associated nuclear movement protein, in mitosis and cytokinesis. Aumais JP, Williams SN, Luo W, Nishino M, Caldwell KA, Caldwell GA, Lin SH and Yu-Lee LY J. Cell. Sci. 116 (PT 10), 1991-2003 (2003) PMID:12679384

2: NudC is required for interkinetic nuclear migration and neuronal migration during neocortical development. Cappello S, Monzo P and Vallee RB. Curr. Biol. 357(2), 326-335 (2011) PMID:21771589