The domain within your query sequence starts at position 403 and ends at position 521; the E-value for the d1a26_2 domain shown below is 1e-20.
GLWVVQVEQIDNKVLLAAFQEKKKMMEERTPKGSGSQRLFQQVPHQFCNTVCRVGFHRMY STSYNPVYGAGIYFTKSLKNLADKVKKTSSTDKLIYVFEAEVLTGSFCQGNSSNIIPPP