The domain within your query sequence starts at position 636 and ends at position 793; the E-value for the RPT_1 domain shown below is 3.31e-5.

PSQGQMAQQQGTLNPQNPMILSRAQLMPQGQMMVNAQNQNLGPSPQRMTPPKQMLPQQGP
QMMAPHNQMMGPQGQVLLQQNPMIEQIMTNQMQGNKAQFNSQNQSNVMPGPAQIMRGPTP
NMQGNMVQFTGQMSGQMLPQQGPVNNSPSQVMGIQGQV

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