The domain within your query sequence starts at position 55 and ends at position 224; the E-value for the RPT_1 domain shown below is 1.24e-22.

DYNLSDGGKSNSRKNLSPATGGSATQQSNLDDSHAPNLGKSETMLSLLGYLGAFRPVLSG
LTSLPRVGGGAHGNIGLRAEISRNGVNLSGDSSARGSLNVNPLSGLSTKSGNDATVQGQQ
AAASGGSKHNVENSSLSTGSATSNKGADKPSEHLSNLFLKGLKGIVEPIT

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