The domain within your query sequence starts at position 214 and ends at position 282; the E-value for the RPT_1 domain shown below is 3.94e-5.

SQASGPLQALPQAVCPTDLPQLWKGEGAPGQPAEDSGRQEGLDLASTAVTATSFASPPKV
SPPLSHHPL

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