Design of an in vitro biocatalytic cascade for the manufacture of islatravir

Author:

Huffman Mark A.1ORCID,Fryszkowska Anna1ORCID,Alvizo Oscar2ORCID,Borra-Garske Margie2ORCID,Campos Kevin R.1ORCID,Canada Keith A.1,Devine Paul N.1ORCID,Duan Da2ORCID,Forstater Jacob H.1ORCID,Grosser Shane T.1ORCID,Halsey Holst M.1ORCID,Hughes Gregory J.1ORCID,Jo Junyong1ORCID,Joyce Leo A.1ORCID,Kolev Joshua N.1ORCID,Liang Jack2,Maloney Kevin M.1ORCID,Mann Benjamin F.1ORCID,Marshall Nicholas M.1,McLaughlin Mark1,Moore Jeffrey C.1ORCID,Murphy Grant S.1ORCID,Nawrat Christopher C.1ORCID,Nazor Jovana2ORCID,Novick Scott2,Patel Niki R.1ORCID,Rodriguez-Granillo Agustina3ORCID,Robaire Sandra A.1ORCID,Sherer Edward C.3ORCID,Truppo Matthew D.1ORCID,Whittaker Aaron M.1,Verma Deeptak3ORCID,Xiao Li3,Xu Yingju1ORCID,Yang Hao1ORCID

Affiliation:

1. Process Research and Development, Merck & Co., Inc., Rahway, NJ 07065, USA.

2. Codexis, Inc., 200 Penobscot Drive, Redwood City, CA 94063, USA.

3. Computational and Structural Chemistry, Discovery Chemistry, Merck & Co., Inc., Kenilworth, NJ 07033, USA.

Abstract

Maximal efficiency from enzyme cascades Enzymes are highly selective catalysts that can be useful for specific transformations in organic synthesis. Huffman et al. combined designer enzymes in a multistep cascade reaction (see the Perspective by O'Reilly and Ryan). The approach eliminates purification steps, recycles expensive cofactors, and couples favorable and unfavorable reactions. With the target molecule islatravir, an experimental HIV drug, they optimized five enzymes by directed evolution to be compatible with unnatural substrates and stable in the reaction conditions. Stereochemical purity was amplified at every enzymatic step, and the final synthesis was both atom economical and efficient. Science , this issue p. 1255 ; see also p. 1199

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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