The domain within your query sequence starts at position 237 and ends at position 378; the E-value for the RPT_1 domain shown below is 3.3e-6.

QTSPSKCGSRELDSHSPQPDISTFPKNNENFRKPSYPQATGCPKSPKQPMFYEFPQTPPR
KPESCNPQSHSPLPDFNAFPKKHPQLQPSDLTRASSEPEVCKVPKKTQKPDPNVLSQKPS
QPELGHLPRTSSDPEFNSLPRK

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