The domain within your query sequence starts at position 389 and ends at position 464; the E-value for the 3gnb domain shown below is 3e-44.

GGRPRQHLLSLTRRAQKHRLRELKIQVKEFADKEEGGDVKAVCLTLFLLALRARNEHRQA
DELEAIMQGRGSGLQP

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