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Figure 2
Three-dimensional structure of M. truncatula GSII-1a at atomic resolution. (a) Top view of the decameric assembly (D5 symmetry) along the fivefold symmetry axis (black line). M. truncatula GSII-1a subunits establishing inter-ring contacts are coloured in the same hue: green (monomers A and F), orange (monomers B and G and monomers D and I) or dark blue (monomers C and H and monomers E and J). The red lines indicate the positions of the five twofold axes. (b) Side view of the M. truncatula GSII-1a model resulting from a 90° rotation around x relative to the view in (a). Subunits are colour-coded as in (a), and the red and black lines represent the twofold and fivefold axes, respectively. (c) Close-up view of the inter-ring contact. In the left panel, M. truncatula GSII-1a subunits are coloured green (subunits A and F). The corresponding Z. mays GSII-1a subunits (subunits A and I) in the right panel are coloured red. The aromatic side chains involved in both interactions are labelled. In both molecules, a thicker ribbon represents subunit A.

Journal logoSTRUCTURAL
ISSN: 2059-7983
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