The domain within your query sequence starts at position 825 and ends at position 940; the E-value for the RPT_1 domain shown below is 4.59e-6.

GYQPSMNTSDMMGRMSYEPNKDPYGSMRKAPGSDPFMSSGQGPNGGMGDPYSRAAGPGLG
SVAMGPRQHYPYGGPYDRVRTEPGIGPEGNMGTGAPQPNLMPSTPDSGMYSPSRYP

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