The domain within your query sequence starts at position 779 and ends at position 1010; the E-value for the RPT_1 domain shown below is 4.37e-5.

QPPPRPRLEQEVSAGPELTVFEKSIAVQPSGYPPQPSVKPSIKKEISLGAESAPLESPPP
QHHFQPLLKPFVKQQVSAFERVISMDPKLPTQFQPRMKPQGKQSFSSTPESTAFEGSTSV
DHMTLTLSQPMLQPYQEVPLESETVAAKMISTGQLHSKYSAHPLSSHQSQPVPESTSAEG
EELLPSQPSVTPKFQPLMTQGSIPSAWAIPIYSPAPRMDSKPLMGSAIALES

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