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. 2006 Aug 17;103(35):13010–13015. doi: 10.1073/pnas.0603638103

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© 2006 by The National Academy of Sciences of the USA

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Fig. 4. — Two distinct conformations of glyphosate. Displayed are the electron densities, contoured at 3σ, derived from 1F_o − 1F_c Fourier syntheses to 1.7-Å resolution, omitting the model of glyphosate during the refinement of the ternary complexes of CP4 EPSP synthase (Left) and Ala-100–Gly CP4 EPSP synthase (Right). (Right) The conformation of glyphosate upon interaction with the Ala-100–Gly CP4 EPSP synthase is identical to the one observed in the E. coli or Str. pneumoniae enzymes. (Left) With an Ala residue in position 100, the glyphosate molecule is ≈0.6 Å shorter, mainly because of a rotation around the CN bond next to the carboxyl group.

Inline graphic — Two distinct conformations of glyphosate. Displayed are the electron densities, contoured at 3σ, derived from 1F_o − 1F_c Fourier syntheses to 1.7-Å resolution, omitting the model of glyphosate during the refinement of the ternary complexes of CP4 EPSP synthase (Left) and Ala-100–Gly CP4 EPSP synthase (Right). (Right) The conformation of glyphosate upon interaction with the Ala-100–Gly CP4 EPSP synthase is identical to the one observed in the E. coli or Str. pneumoniae enzymes. (Left) With an Ala residue in position 100, the glyphosate molecule is ≈0.6 Å shorter, mainly because of a rotation around the CN bond next to the carboxyl group.