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Stick diagrams of gD-H1, gD-P, and chimeric forms of gD. Sequences from gD-H1 are represented by empty boxes, and sequences from gD-P are represented by filled boxes. Secondary structural features of gD-H1 and positions of N-linked glycans are indicated above and below the gD-H1 line, according to the legend at the bottom. Names of the chimeras are given on the right.
