The domain within your query sequence starts at position 214 and ends at position 362; the E-value for the RPT_2 domain shown below is 6.55e-6.

VSTSVISEQSEQPMPGMLEPSMTKILDSFTAAPVPMSTAALKSPEPVVTMSVEYQKSVLK
SLETMPPETSKTTLVELPIAKVVEPSETLTIVSETPTEVHPEPSPSTMDFPESSTTDVQR
LPEQPVEAPSEIADSSMTRPQESLELPKT

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