The domain within your query sequence starts at position 48 and ends at position 178; the E-value for the RPT_1 domain shown below is 2.5e-7.

ACKESEYHFEYTACDSTGSRWRVAVPHSPGLCTSLPDPVKGTECSFSCNAGEFLDMKDQS
CKPCAEGRYSLGTGIRFDEWDELPHGFASLSANLEVDDSISESTENCTSSKWVPRGDYIA
SNTDECTATLM

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