The domain within your query sequence starts at position 287 and ends at position 558; the E-value for the 3hb1 domain shown below is 1e-172.

SERLRRGSDGKSRGRGRRNNNPSPPPDSDLERVFIWDLDETIIVFHSLLTGSYANRYGRD
PPTSVSLGLRMEEMIFNLADTHLFFNDLEECDQVHIDDVSSDDNGQDLSTYNFGTDGFPA
AATSANLCLATGVRGGVDWMRKLAFRYRRVKEIYNTYKNNVGGLLGPAKREAWLQLRAEI
EALTDSWLTLALKALSLIHSRTNCVNILVTTTQLIPALAKVLLYGLGIVFPIENIYSATK
IGKESCFERIIQRFGRKVVYVVIGDGVEEEQG

This is a PDB domain - please see the PDBSUM entry of 3hb1 for further annotation