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Fig. 7 | Journal of Biomedical Science

Fig. 7

From: Structural basis of polyethylene glycol recognition by antibody

Fig. 7

Dimer interface of PEG-bound Fab. a The first dimer from the 3.3-Fab/PEG crystal is shown as Cα-tracing diagrams, colored cyan and yellow for the heavy and light chains of one Fab, and green and magenta for another. The central PEG fragment is shown as yellow sticks, and the participating residues in the interface as thin sticks, colored according to the protein chains. Potential hydrogen bonds are indicated by pink dashes. b A dimer from the 2B5-Fab/PEG crystal is shown in a similar way as in (a). The sulfate ion, shown as an orange stick model, makes hydrogen bonds to the G26 backbone of one Fab and the K53 side chain of another

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