The domain within your query sequence starts at position 1 and ends at position 230; the E-value for the 4n78 domain shown below is 1e-142.

MAAQVTLEDALSNVDLLEELPLPDQQPCIEPPPSSLLYQPNFNTNFEDRNAFVTGIARYI
EQATVHSSMNEMLEEGQEYAVMLYTWRSCSRAIPQRNAIERFCGEVRRLCHAERRKDFVS
EAYLITLGKFINMFAVLDELKNMKCSVKNDHSAYKRAAQFLRKMADPQSIQESQNLSMFL
ANHNKITQSLQQQLEVISGYEELLADIVNLCVDYYENRMYLTPSEKHML

This is a PDB domain - please see the PDBSUM entry of 4n78 for further annotation