The domain within your query sequence starts at position 151 and ends at position 215; the E-value for the RPT_1 domain shown below is 5.16e-8.

YQYLHYAHFKANRLEKAVAAAYTFLQRNPKHELTAKYLNYYRGMLDIGDESLTDLEAQPY
EAVFL

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