The domain within your query sequence starts at position 87 and ends at position 281; the E-value for the 3lxu domain shown below is 3e-19.
FTEALRDLKIQWMTKLDSTDIYNELKETYPAYLPLYVARLHQLDAEKERMKRLNEIVDAA NAVISHIDQTALAVYIAMKTDPRPDAATIKNDMDKQKSTLIDALCRKGCALADHLLHTQP HDGAAAGDAEAKEEEGESTMESLSETYWETTKWTDLFDTKVLIFAYKHALVNKMYGRGLK FATKLVEEKPTKENW