Fidgetin (FIGN) is a ATP-dependent microtubule severing protein. This subfamily belongs to the RecA-like NTPase family which includes the NTP binding domain of F1 and V1 H(+)ATPases, DnaB and related helicases as well as bacterial RecA and related eukaryotic and archaeal recombinases. The RecA-like NTPase family also includes bacterial conjugation proteins and related DNA transfer proteins involved in type II and type IV secretion.
Lu S et al.(2020). "CDD/SPARCLE: the conserved domain database in 2020.",