2026-02-14_00000189|ligand|9H1V

Cas1-Cas2 CRISPR integrase bound to prespacer and target DNA, Streptococcus thermophilus DGCC 7710 CRISPR3 system; Electron microscopy 2.89Å
Protein #1 114 residues (95% resolved)

MSYRYMRMILMFDMPTDTAEERKAYRKFRKFLLSEGFIMHQFSVYSKLLLNHTANTAMVGRLKANNPKKGNITILTVTEKQFARMIYLYGDKNTSIANSEERLVFLGDNYCDED

MSYRYMRMILMFDMPTDTAEERKAYRKFRKFLLSEGFIMHQFSVYSKLLLNHTANTAMVGRLKANNPKKGNITILTVTEKQFARMIYLYGDKNTSIANSEERLVFLGDNYCDED
Protein #2 302 residues (96% resolved)

MAGWRTVVVNIHSKLSYKNNHLIFRNSYKTEMIHLSEIDILLLETTDIVLTTMLVKRLVDENILVIFCDDKRLPTAFLTPYYARHDSSLQIARQIAWKENVKCEVWTAIIAQKILNQSYYLGECSFFEKSQSIMELYHGLERFDPSNREGHSARIYFNTLFGNDFTRESDNDINAALDYGYTLLLSMFAREVVVCGCMTQIGLKHANQFNQFNLASDIMEPFRPIIDRIVYQNRHNNFVKIKKELFSIFSETYLYNGKEMYLSNIVSDYTKKVIKALNQLGEEIPEFRILESGWSHPQFEKA

MAGWRTVVVNIHSKLSYKNNHLIFRNSYKTEMIHLSEIDILLLETTDIVLTTMLVKRLVDENILVIFCDDKRLPTAFLTPYYARHDSSLQIARQIAWKENVKCEVWTAIIAQKILNQSYYLGECSFFEKSQSIMELYHGLERFDPSNREGHSARIYFNTLFGNDFTRESDNDINAALDYGYTLLLSMFAREVVVCGCMTQIGLKHANQFNQFNLASDIMEPFRPIIDRIVYQNRHNNFVKIKKELFSIFSETYLYNGKEMYLSNIVSDYTKKVIKALNQLGEEIPEFRILESGWSHPQFEKA
DNA #3 26 bases

(DA)(DA)(DA)(DC)(DA)(DC)(DC)(DA)(DG)(DA)(DA)(DC)(DG)(DA)(DG)(DT)(DA)(DG)(DT)(DA)(DA)(DA)(DT)(DT)(DG)(DG)

AAACACCAGAACGAGTAGTAAATTGG
DNA #4 26 bases

(DT)(DT)(DT)(DA)(DC)(DT)(DA)(DC)(DT)(DC)(DG)(DT)(DT)(DC)(DT)(DG)(DG)(DT)(DG)(DT)(DT)(DT)(DC)(DT)(DC)(DG)

TTTACTACTCGTTCTGGTGTTTCTCG
DNA #5 48 bases

(DT)(DA)(DC)(DG)(DA)(DG)(DG)(DT)(DT)(DT)(DT)(DG)(DG)(DA)(DA)(DC)(DC)(DA)(DT)(DT)(DC)(DG)(DA)(DA)(DA)(DC)(DA)(DA)(DC)(DA)(DC)(DA)(DG)(DC)(DT)(DC)(DT)(DA)(DA)(DA)(DA)(DC)(DC)(DT)(DC)(DG)(DT)(DA)

TACGAGGTTTTGGAACCATTCGAAACAACACAGCTCTAAAACCTCGTA
DNA #6 48 bases

(DT)(DA)(DC)(DG)(DA)(DG)(DG)(DT)(DT)(DT)(DT)(DA)(DG)(DA)(DG)(DC)(DT)(DG)(DT)(DG)(DT)(DT)(DG)(DT)(DT)(DT)(DC)(DG)(DA)(DA)(DT)(DG)(DG)(DT)(DT)(DC)(DC)(DA)(DA)(DA)(DA)(DC)(DC)(DT)(DC)(DG)(DT)(DA)

TACGAGGTTTTAGAGCTGTGTTGTTTCGAATGGTTCCAAAACCTCGTA
Non polymer #7 CA

InChI=1S/Ca/q+2

[Ca+2]
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Reference