The domain within your query sequence starts at position 156 and ends at position 298; the E-value for the RPT_1 domain shown below is 1.03e-6.

PQALFPGSADLLGLQAPPTVLTHQALVPPQDVVNKALSVQPFLQPVGLGNVTLQPISGLQ
GLPNGSPGNAAAATLGLTPIQVVGQPVMALNPPTSQLLAKQVPVSGYLASAAGPSEPVTL
ASAGVSPQGAGLVIQKNLPAAVT

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