The domain within your query sequence starts at position 289 and ends at position 476; the E-value for the ResIII domain shown below is 1.8e-6.

LSALQLEAVTYAAQQHETFLPNGDRAGFLIGDGAGVGKGRTIAGIIYENYLLSRKRALWF
SVSNDLKYDAERDLRDIGAKNILVHSLNKFKYGKISSKHNGSVKKGVIFATYSSLIGESQ
SGGKYKTRLKQLLHWCGDDFDGVIVFDECHKAKNLCPVGSSKPTKTGLAVLELQNKLPKA
RVVYASAT

ResIII

ResIII
PFAM accession number:PF04851
Interpro abstract (IPR006935):

This entry represents a domain found in the N terminus of several proteins, including helicases, the R subunit (HsdR) of type I restriction endonucleases (EC 3.1.21.3), the Res subunit of type III endonucleases (EC 3.1.21.5), and the B subunit of excinuclease ABC (uvrB) [(PUBMED:11178902), (PUBMED:9628345), (PUBMED:16125908)].

GO function:DNA binding (GO:0003677), ATP binding (GO:0005524), hydrolase activity (GO:0016787)

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