6GFZ:
reference: 3-Fluoro-4-hydroxyprolines: Synthesis, conformational analysis and stereoselective recognition by the VHL E3 ubiquitin ligase for targeted protein degradation., Testa A, Lucas X, Castro G, Chan KH, Wright J, Runcie A, Gadd M, Harrison WTA, Ko EJ, Fletcher D, Ciulli A, J Am Chem Soc. 2018 Jun 27. doi: 10.1021/jacs.8b05807. PMID: 29949369

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