The domain within your query sequence starts at position 824 and ends at position 957; the E-value for the RPT_1 domain shown below is 1.34e-5.

SVQFDMKLADVGGDLKHVMSDSSLDLPTVSGQHPPAAGSALASEDALPETAFPAFASFKD
MMPQTTEQKEFESGDFQDFTRQDMPTVDRSQETSCPSPASSVASHETPKEGADDFGEFQS
EKSKISKFDFLVAN

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