The domain within your query sequence starts at position 4 and ends at position 78; the E-value for the RPT_1 domain shown below is 5.46e-7.

LHTDENKMVELSVLLDKAKNFTGEKIDVGNLNNVLRKMGLMLSDNVYKELQHALSVYTGG
KIYKTRLLKCVKDLK

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