The domain within your query sequence starts at position 93 and ends at position 331; the E-value for the RPT_1 domain shown below is 1.53e-6.

SGANLTDTHTYCLLACDNDSCCDGFIITQVKGGPTICGLLSSPDILLCHINDWRDTSATQ
ANATCAGVTYDQGSRQMTLSLGGQEFLQGLALLEGTQDSFTSFQQVYLWKDSDMGSRPES
MGCERGMVPRSDFPGDMATELFSPVDITQVIVNTSHSLPSQQYWLFTHLFSAEQANLWCL
SRCAQEPIFCQLADITKSSSLYFTCFLYPEAQVCDNVMESNAKNCSQILPHQPTALFRR

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