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. Author manuscript; available in PMC: 2018 May 21.
Published in final edited form as: Science. 2015 Oct 29;350(6260):519. doi: 10.1126/science.aab2595

Fig. 1. Structure of RsTSPO-A139Tobtained in pentaerythritol ethoxylate 15/04 is very similar to that obtained in PEG 400.

Fig. 1

(A) Structure of RsTSPO-A139T crystallized in PEG 400 (cyan) and pentaerythritol ethoxylate 15/04 (light cyan) show identical features of the porphyrin-like molecules (magenta and light magenta spheres) and most monooleins (orange and yellow sticks). A PEG molecule (green) could be fitted into the 1.8 Å structure but not in the 2.4 Å structure. One asymmetric unit containing three monomers is shown. (B) Structure of pentaerythritol ethoxylate 15/04. (C) Ring-shaped density (2Fobs – Fcalc) and the fitting of a porphyrin-like molecule in the 2.4-Å structure obtained with pentaerythritol ethoxylate 15/04.