The domain within your query sequence starts at position 1911 and ends at position 2015; the E-value for the RPT_2 domain shown below is 3.66e-5.

SDSSRGPPTKDPAHASTPPGTKAVQTQQPCSVRASLSTDICSGLASDGGGARGQGWTVYH
PTSERGAYKSSSKPRARFLSGPVSVSIWSALKRLCLGKEHSSRSS

This is a significant internal repeat in the query protein sequence, as detected by the Prospero program.