2023
DOI: 10.1126/science.adh1720
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Deploying synthetic coevolution and machine learning to engineer protein-protein interactions

Abstract: Fine-tuning of protein-protein interactions occurs naturally through coevolution, but this process is difficult to recapitulate in the laboratory. We describe a platform for synthetic protein-protein coevolution that can isolate matched pairs of interacting muteins from complex libraries. This large dataset of coevolved complexes drove a systems-level analysis of molecular recognition between Z domain–affibody pairs spanning a wide range of structures, affinities, cross-reactivities, and orthogonalities, and c… Show more

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Cited by 18 publications
(3 citation statements)
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“…Proteins purified from M9 media, with or without ZnCl 2 , were also used for FASTpp experiments (Figure S11). Because resistance to proteolysis has been used in several recent protein stability studies (Leuenberger et al, 2017; Rocklin et al, 2017; Tsuboyama et al, 2023; Yang et al, 2023), we used FASTpp to further examine the stability of the PHD scaffold, especially given the consistency in the results of proteolysis versus other methods (Figure 4; Figure S9).…”
Section: Methodsmentioning
confidence: 99%
“…Proteins purified from M9 media, with or without ZnCl 2 , were also used for FASTpp experiments (Figure S11). Because resistance to proteolysis has been used in several recent protein stability studies (Leuenberger et al, 2017; Rocklin et al, 2017; Tsuboyama et al, 2023; Yang et al, 2023), we used FASTpp to further examine the stability of the PHD scaffold, especially given the consistency in the results of proteolysis versus other methods (Figure 4; Figure S9).…”
Section: Methodsmentioning
confidence: 99%
“…Protein language models are large pre-trained models utilized for sequence representation [39][40][41] and can be fine-tuned for various downstream deterministic tasks, including protein structure prediction 3,4 , de novo sequence generation [42][43][44] , protein function annotation [45][46][47][48] , and protein-protein interactions 49 . In this study, we employed the protein language models ESM2 and ESMFold 3 to construct Generative Protein Design by Language Model (GPDL), including two distinct protein structure design models, GPDL-Inpainting and GPDL-Hallucination.…”
Section: Introductionmentioning
confidence: 99%
“…Machine learning (ML) has been introduced to predict unknown events by learning a dataset [17]. This approach has been widely applied in drug development [18,19], protein structure and function prediction [20,21], and epidemic surveillance [22,23] and has exhibited better outcomes than DOE or RSM [24]. Lately, combining active learning with ML has successfully optimized the culture media for mammalian cells [25,26].…”
Section: Introductionmentioning
confidence: 99%