The domain within your query sequence starts at position 1176 and ends at position 1361; the E-value for the RPT_1 domain shown below is 9.97e-23.

APTTSTSFSGGPCISFGGAPCTTASISGGASSGFGSTLCSTNPGFSALSTNTSFGSAPTT
STVFSGAVSTTTGFGGTLSTSVCFGSSPYSGAGFGGTLSTSISFGGSPSTNTGFGGTLST
SVSFGASSSTSSDFGGTLSTSVSFGGSSGANAGFGGTLNSSTSFGGAISTSTGFGSALNN
SANFGG

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