The domain within your query sequence starts at position 449 and ends at position 742; the E-value for the d1yrga_ domain shown below is 4e-12.
EASQRFRSISTLELFTVPLSTEAALTLCHLLSSWVSLESLTLSYNGLGSNIFRLLDSLRA
LSGQAGCRLRALHLSDLFSPLPILELTRAIVRALPLLRVLSIRVDHPSQRDNPAVPENAG
PPGHIVGDEEIPENCLEQLEMGFPRGAQPAPLLCSVLKASGSLQQLSLDSATFASPQDFG
LVLQTLKEHNLSLKRLSFHDMNLADCQSEVLFLLKNLTLQEITFSFCRLFEKRPVQFLPE
MVAAMKGNSTLKGLRLPGNRLGNAGLLALADVFSEDSSSSLCQLDISSNCIKPD
This is a SCOP domain - please see the SCOP entry of d1yrga_ for further annotation