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(A) OB2–OB2 orientations in EcoSSB in complex with DNA (pdb code: 1eyg), EcoSSB (pdb code: 1kaw), TaqSSB and MtuSSB (pdb code: 1ue6). (B) Solvent-accessible hydrophobic surface as a function of OB2–OB2 rotation angle calculated with CCP4i program package (32). In each case 0° corresponds to the native orientation.
