Single-stranded DNA-dependent ATP-dependent helicase. Involved in DNA non-homologous end joining (NHEJ) required for double-strand break repair. When associated with KU70, binds to double-stranded telomeric and non-telomeric DNA sequences, but not to single-stranded DNA. Plays a role in maintaining telomere length. Acts as a negative regulator of telomerase. Binds to and recombines double-stranded T-DNA molecules.

Belongs to the ku80 family.

680 amino acids

MARNREGLVLVLDVGPAMRSVLPDVEKACSMLLQKKLIYNKYDEVGIVVFGTEETGNELAREIGGYENVTVLRNIRVVDELAAEHVKQLPRGTVAGDFLDALIVGMDMLIKMYGNAHKGKKRMCLITNAACPTKDPFEGTKDDQVSTIAMKMAAEGIKMESIVMRSNLSGDAHERVIEENDHLLTLFSSNAIAKTVNVDSPLSLLGSLKTRRVAPVTLFRGDLEINPTMKIKVWVYKKVAEERLPTLKMYSDKAPPTDKFAKHEVKVDYDYKVTAESTEVIAPEERIKGFRYGPQVIPISPDQIETLKFKTDKGMKLLGFTEASNILRHYYMKDVNIVVPDPSKEKSVLAVSAIAREMKETNKVAIVRCVWRNGQGNVVVGVLTPNVSERDDTPDSFYFNVLPFAEDVREFPFPSFNKLPSSWKPDEQQQAVADNLVKMLDLAPSAEEEVLKPDLTPNPVLQRFYEYLELKSKSTDATLPPMDGTFKRLMEQDPELSSNNKSIMDTFRGSFEVKENPKLKKASKRLLRDKPSGSDDEDNRMITYDAKENKIDIVGDANPIQDFEAMISRRDKTDWTEKAITQMKNLIMKLVENCTDEGDKALECVLALRKGCVLEQEPKQFNEFLNHLFKLCQERNLSHLLEHFMSKKITLIPKSEAADSDIVDENAGDFIVKQESMLES

76.7 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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