The domain within your query sequence starts at position 719 and ends at position 999; the E-value for the RPT_1 domain shown below is 5.68e-5.

STEKSISETIQIETNGVSSFGDTLAPLPMSATTQRVYTTVTKETTSRHPKVKSTISTVAE
ASPFSTMLEVTDESEQMVTASVTISPFTDIEKLTTALSKETATAEVGVSWLSTKLKESMP
ESSHNGTTESFNSTHTYTVDWTSEKSKGNSASSPNSASTQALPELPSSSTMKTMGVTFST
NSSQRTAASLSAGILSPQTASTHALVTPQLLTHTFSLPVNISAVTSPKTTMVFFDETKVT
LSQPSTLARDFTTSMPSVGSTLPTVTMTTELVPPVSPTAST

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