The domain within your query sequence starts at position 173 and ends at position 331; the E-value for the Rgp1 domain shown below is 3.5e-26.

EAVAPSSPFLEEDDSGKKDSWLAELAGERLMAATSCRSLHLYNISDGRGKVGTFGIFKSV
YRLGEDVVGTLNLGEGTVACLQFSVSLQTEERVQPEYQRRRGTGVAPSVSHVTHARHQES
CLHTTRTSFSLPIPLCSTPGFCTAIVSLKWRLHFEFVTS

Rgp1

 Rgp1
PFAM accession number:PF08737
Interpro abstract (IPR014848):

Rgp1 forms heterodimer with Ric1 ( IPR009771 ) which associates with Golgi membranes and functions as a guanyl-nucleotide exchange factor [ (PUBMED:10990452) ].

This is a PFAM domain. For full annotation and more information, please see the PFAM entry Rgp1