The domain within your query sequence starts at position 778 and ends at position 1068; the E-value for the RPT_1 domain shown below is 3.83e-6.

PEDSLPPSPKNRLQPSQLDPEASISAILCDKNQPPTNGQKACQSDPGLKKQSTDPSSILV
PEERKPWADVSLSTQGGNEQGSELPSKGSPCNTPSSSPKDKVLEGAPPSEMSELSTPLGQ
ESPALGGNEQEGTGSSSQLSEIPPPAAATALTENLGGKDSLSTGQGLSKSQQELDDALQI
GSLREEARCGDSGLSEAGDVLPPPLGLDKTETASRNRVEALPCPPDSVALLDTAHYSPDP
VPTNPRVTLTQDALESEACDEGQKESAPQLEMEQPAPLGTEAQSPLGSFQK

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