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Figure 1.
Fig. 1. λ Cro dimer structures, including (a) the crystal
structure of wild-type Cro with symmetric cognate consensus DNA
(PDB ID 6CRO), (b) the crystal structure of free wild-type Cro
(5CRO), (c) the solution ensemble of free wild-type Cro (1COP),
and (d and e) the two forms of the PSQ Cro variant solved in the
present study. This figure was generated using PyMOL (DeLano
Scientific, San Carlos, CA).
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