The domain within your query sequence starts at position 4 and ends at position 269; the E-value for the SURF4 domain shown below is 5.7e-132.

NDLMGTAEDFADQFLRVTKQYLPHVARLCLISTFLEDGIRMWFQWSEQRDYIDTTWSCGY
LLASSFVFLNLLGQLTGCVLVLSRNFVQYACFGLFGIIALQTIAYSILWDLKFLMRNLAL
GGGLLLLLAESRSEGKSMFAGVPTMRESSPKQYMQLGGRVLLVLMFMTLLHFDASFFSII
QNIVGTALMILVAIGFKTKLAALTLVVWLFAINVYFNAFWTIPVYKPMHDFLKYDFFQTM
SVIGGLLLVVALGPGGVSMDEKKKEW

SURF4

 SURF4
PFAM accession number:PF02077
Interpro abstract (IPR002995):

The surfeit locus gene SURF4 (or surf-4) encodes a conserved integral eukaryotic membrane protein of about 270 to 300 amino-acid residues that seems to be located in the endoplasmic reticulum [ (PUBMED:7540914) ].

GO component:integral component of membrane (GO:0016021)

This is a PFAM domain. For full annotation and more information, please see the PFAM entry SURF4