The domain within your query sequence starts at position 1 and ends at position 332; the E-value for the 4hpf domain shown below is 1e-144.

MPLRASNYTRQELKDIVFIGSLEYFQREWRFLRNFPKIHIMPGSALYMGDLIAVNVEQCS
MCVILATPYKALSSQILVDTEAIMATLNIQSLRITSPTPGSSKSEVKPSSAFDSKERKQR
YKQIPILTELKNPSNIHFIEQMGGLDGMLKGTSLHLSTSFSTGAVFSDTFLDSLLATSFY
NYHVVELLQMLVTGGISSEMEHYLVKEKPYKTTDDYEAIKSGRTRCKLGLLSLDQTVLSG
INPRKTFGQLFCGSLDNFGILCVGLYRMIDEEEPSQEHKRFVITRPSNECHLLPSDLVFC
AIPFNTTCGKSDSSPSIQAQNNSTNATTPLAQ

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