The domain within your query sequence starts at position 574 and ends at position 764; the E-value for the RPT_1 domain shown below is 2.32e-9.

QNEALPGTKNKVKGNPNPTPKTEAGTATTSSAQTNVTSSQGETTPGAKNKAKGNRNSVPK
AGAGPDTTGSAQSQTVANSHSEALPGAKNKVKSNSNVVPKAEAGVGACPQSVPASQGTAL
TGTKTKVKGNSSAVSKPDAGAGTMGSAHAKTAANSQGETLPGSKNKVKGNSNAVPKAEAG
AGTTEPNQPQA

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