This is the C-terminal ATPase domain from bacterial ABC class ATPases. This entry also includes MRB1590 (Swiss:Q57ZF2) from Trypanosoma brucei brucei has a central ATPase domain homologous to this domain [1].

1: Structures of the T. brucei kRNA editing factor MRB1590 reveal unique RNA-binding pore motif contained within an ABC-ATPase fold. Shaw PL, McAdams NM, Hast MA, Ammerman ML, Read LK, Schumacher MA; Nucleic Acids Res. 2015;43:7096-7109. PMID:26117548