The domain within your query sequence starts at position 1015 and ends at position 1108; the E-value for the RPT_4 domain shown below is 3.42e-6.

DISDEMYVDLKDFLVKLRDIPSFKDSIVTQLLLATPQVLEKDLINVSDLKKLLTNNELHS
AKAILTEVLKHVPEDEEGKITIEEFVSTLSDILR

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