The domain within your query sequence starts at position 34 and ends at position 119; the E-value for the PAC3 domain shown below is 1.9e-31.

VVVTQFGKMGTLVSLEPSNVANDISKPVLTTRVLLGQDEPLIHVFAKNLVAFVSQEAGNR
AVLLAMAVKDKSMERLKALKEVIRLC

PAC3

PAC3
PFAM accession number:PF10178
Interpro abstract (IPR018788):

Proteasome assembly chaperone 3 (PSMG3) promotes assembly of the 20S proteasome [ (PUBMED:17189198) ]. It may cooperate with PSMG1-PSMG2 heterodimers to orchestrate the correct assembly of proteasomes.

This is a PFAM domain. For full annotation and more information, please see the PFAM entry PAC3