The domain within your query sequence starts at position 414 and ends at position 804; the E-value for the RPT_2 domain shown below is 2.09e-12.

GSADQKIGAAVVSSAYSQEIKPGSFHQEELPDRHLNEEIRKVSPALRTAGQKPEMLPVQS
SSYSKGMKSIFYQHPVSHGHQGKEPLSVSAVCGSAGNKAFHQLSTLSDSLLTEETWPVSV
IPGLGNQKTPLPSEFSLSYSHRGKNLPEDVVKVSTDSGSAHKKADILTASSRTYQHKMKP
ANIYHQELPDSRVPIGTRKVAFESGPAGQKSGVSHPYGEMPSVFYQQGLPDRHSAKSPTK
TFIPGPADQKTDLSPVPPTSSSHAEKPVSPYQLTLPGSHLPEDVFKASSVCKSSDELSGI
TALTSASYSYKGRPNSSYQQKFPDSHLNEEAQKILGTTGTVDQKTVTPTMSSSFLQKEKP
SIFYQQTLPDGGLSEEDLQVSAVPWPADQNI

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