The domain within your query sequence starts at position 3 and ends at position 160; the E-value for the 4b3f domain shown below is 2e-80.
SSTVESFVAQQLQLLELERDAEVEERRSWQEHSSLRELQSRGVCLLKLQVSSQRTGLYGQ RLVTFEPRKFGPAVVLPSNSFTSGDIVGLYDTNENSQLATGVLTRITQKSVTVAFDESHD LQLNLDRENTYRLLKLANDVTYKRLKNPTLFLQHNSGP