The domain within your query sequence starts at position 168 and ends at position 255; the E-value for the PUB domain shown below is 1.6e-27.

RDRVKLGVDTIAKYLDNIHLHPEEEKYQKIKLQNKVFQERINCLEGSHEFFEAIGFKKVT
LPVPDQEGQEEFYVLGEDARAQPQNLAR

PUB

PUB
PFAM accession number:PF09409
Interpro abstract (IPR018997):

The PUB (also known as PUG) domain is found in peptide N-glycanase where it functions as a AAA ATPase binding domain [ (PUBMED:16807242) ]. This domain is also found on other proteins linked to the ubiquitin-proteasome system.

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