The domain within your query sequence starts at position 211 and ends at position 401; the E-value for the RPT_1 domain shown below is 2.32e-9.

QSEVLAVTKEVVKIGTMNETGVVAEAMIRPLEETVSVTRTQSEARLDAAVDTKENLNDMS
VVVTGVDTKSCAQSQAVAIIQNDDMAGAEADKEDLKNMSKAGSGIDMKVPGQPHIAANNL
AEAVPGAKNDAWDNAKDICEAEADIRTCLIQSETVAKIETEATSSATMDGGKDANAKAMT
DVNVTDTQPQA

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