The domain within your query sequence starts at position 908 and ends at position 975; the E-value for the RPT_1 domain shown below is 9.56e-6.

GANVIVTERVIAPGSSLPTSLTIPNPQETSNVVVTERVIQPTSGMIGNLSMTPELSSAHN
VIVTERVV

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