The domain within your query sequence starts at position 21 and ends at position 111; the E-value for the RPT_1 domain shown below is 5.47e-40.

ILSSGTGIPTVPEKLTLTAPSSTLDKAIDTNKPLHMTTVTIRDTSSPTTANLRTVVLSTA
TSETQERDTTTVPPTPATGPTTMSMSPGTHH

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