The domain within your query sequence starts at position 172 and ends at position 223; the E-value for the RPT_3 domain shown below is 7.52e-12.

GFPGTPGLPGFKGVKGHSGMDGLKGQPGAQGVKGEPGAPGENGTPGQAGARG

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