Table 2.
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Specific binding of Arg48 and Gln53 to OA

KorAOA*Bond lengths (Å)a
R48 (Nη2)G4 (O6)3.11 ± 0.15
R48 (Nε)G4 (N7)3.08 ± 0.11
Q53 (Oε1)C10 (N4)3.07 ± 0.31
Q53 (Nε2)T11 (O4) T7 (O4)2.92 ± 0.06 2.90 ± 0.17
KorAOA*Bond lengths (Å)a
R48 (Nη2)G4 (O6)3.11 ± 0.15
R48 (Nε)G4 (N7)3.08 ± 0.11
Q53 (Oε1)C10 (N4)3.07 ± 0.31
Q53 (Nε2)T11 (O4) T7 (O4)2.92 ± 0.06 2.90 ± 0.17

aCalculated from four different bond lengths derived from contacts of the symmetric KorA dimer to the 2-fold disordered 18-bp OA* DNA.

Table 2.
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Specific binding of Arg48 and Gln53 to OA

KorAOA*Bond lengths (Å)a
R48 (Nη2)G4 (O6)3.11 ± 0.15
R48 (Nε)G4 (N7)3.08 ± 0.11
Q53 (Oε1)C10 (N4)3.07 ± 0.31
Q53 (Nε2)T11 (O4) T7 (O4)2.92 ± 0.06 2.90 ± 0.17
KorAOA*Bond lengths (Å)a
R48 (Nη2)G4 (O6)3.11 ± 0.15
R48 (Nε)G4 (N7)3.08 ± 0.11
Q53 (Oε1)C10 (N4)3.07 ± 0.31
Q53 (Nε2)T11 (O4) T7 (O4)2.92 ± 0.06 2.90 ± 0.17

aCalculated from four different bond lengths derived from contacts of the symmetric KorA dimer to the 2-fold disordered 18-bp OA* DNA.

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