The domain within your query sequence starts at position 357 and ends at position 742; the E-value for the d1b3ua_ domain shown below is 4e-20.

PEGVETVIEQLLVGLKDKDTVVRWSAAKGIGRMAGRLPRELADDVVGSVLDCFSFQETDK
AWHGGCLALAELGRRGLLLPSRLSEVVTVILKALTYDEKRGACSVGANVRDAACYVCWAF
ARAYEPQELTPFVTAISSALVIAAVFDRNVNCRRAASAAFQENVGRQGTFPHGIDILTTA
DYFAVGNISNCFLIISVFIAGFQEYTKPMIDHLVSMKINHWDGAIRELSAKALHNLTPQV
PEYIAMHVFPALLLMTQSPDLHTRHGAILACAEVTYALYKLATQSNRLVTDYLDEKAVQS
LKQIHQQLCDRHLYRGLGGELMRQAVCILIEKLSLSRMPFKGDATVEGWQWLINDTLRSL
HLVSSHSRQQIKEVAVSALTALCSEY

This is a SCOP domain - please see the SCOP entry of d1b3ua_ for further annotation