The domain within your query sequence starts at position 1124 and ends at position 1188; the E-value for the RPT_2 domain shown below is 2.4e-12.

GDKGEIGEPGQKGSKGDKGENGPPGPPGLQGPVGAPGIAGGDGEPGPRGQQGMFGQKGDE
GARGF

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