The domain within your query sequence starts at position 320 and ends at position 591; the E-value for the 3hb1 domain shown below is 1e-172.

LERVFIWDLDETIIVFHSLLTGSYANRYGRDPPTSVSLGLRMEEMIFNLADTHLFFNDLE
ECDQVHIDDVSSDDNGQDLSTYNFGTDGFPAAATSANLCLATGVRGGVDWMRKLAFRYRR
VKEIYNTYKNNVGGLLGPAKREAWLQLRAEIEALTDSWLTLALKALSLIHSRTNCVNILV
TTTQLIPALAKVLLYGLGIVFPIENIYSATKIGKESCFERIIQRFGRKVVYVVIGDGVEE
EQGAKKHAMPFWRVSSHSDLMALHHALELEYL

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