The domain within your query sequence starts at position 800 and ends at position 929; the E-value for the PRT_C domain shown below is 2.2e-10.

RQRDTVVEDMLEDEEEEDDRDDKDGEKKGFINKIYAIQEVCVSVQNILDEVASLGERIKN
TFNWTVPFLSWLAIVALCVFTAILYFIPLRYIVLVWGINKFTKKLRSPYAIDNNELLDFL
SRVPSDVQVV

PRT_C

 PRT_C
PFAM accession number:PF08372
Interpro abstract (IPR013583):

This domain is found at the C terminus of phosphoribosyltransferases and phosphoribosyltransferase-like proteins. It contains putative transmembrane regions. It often appears together with calcium-ion dependent C2 domains ( IPR000008 ).

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