The domain within your query sequence starts at position 488 and ends at position 667; the E-value for the RPT_1 domain shown below is 6.43e-5.

KDREDSWKGASVPKPTGSKSDSWDNNNRSTGGSWNFGPQDNNDNKWGEGNKMTSGVSQGE
WKQPTGSDELKIGEWSGPNQPNSSTGAWDNQKGHPLPENQGNAQAPCWGRSSSSAGSEVG
GQSTGSNHKAGSSDSHNSGRRSYRPTHPDCQAVLQTLLSRTDLDPRVLSNTGWGQTQIKQ

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