The domain within your query sequence starts at position 275 and ends at position 439; the E-value for the d1b3ua_ domain shown below is 2e-3.
QENQDEIENMMNAIFKGVFVHRYRDAIAEIRAICIEEIGIWMKMYSDAFLNDSYLKYVGW TMHDKQGEVRLKCLTALQGLYYNKELNSKLELFTSRFKDRIVSMTLDKEYDVAVQAIKLL TLVLQSSEEVLTAEDCENVYHLVYSAHRPVAVAAGEFLYKKLFSR