The domain within your query sequence starts at position 1 and ends at position 183; the E-value for the DUF776 domain shown below is 1.5e-85.

MKSEAKDGEEESLQTAFKKLRVDASGSIISLSVGEGPSVRASARTAADDTKPKTMCASKD
SWHGSTRKSSRGAVRTQRRRRSKSPVLHPPKFIHCSTTAPPSSSQLKHRSQTEPPDGISG
RGISTPKEFNAGENSTSLDVNHTGAAIEPLRSSVLRLPSESKTEELSDATQVSQESLTAN
DLS

DUF776

DUF776
PFAM accession number:PF05604
Interpro abstract (IPR008494):

This family consists of several highly related Mus musculus and Homo sapiens proteins of unknown function.

This is a PFAM domain. For full annotation and more information, please see the PFAM entry DUF776