The domain within your query sequence starts at position 990 and ends at position 1038; the E-value for the RPT_5 domain shown below is 7.88e-7.

GLKGDRGVPGERGLAGLPGQPGTPGHPGPPGEPGSDGAAGKEGPPGKQG

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