2021
DOI: 10.1101/2021.05.05.440912
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Rossmann-toolbox: a deep learning-based protocol for the prediction and design of cofactor specificity in Rossmann-fold proteins

Abstract: The Rossmann fold enzymes are involved in essential biochemical pathways such as nucleotide and amino acid metabolism. Their functioning relies on interaction with cofactors, small nucleoside-based compounds specifically recognized by a conserved βαβ motif shared by all Rossmann fold proteins. While Rossmann methyltransferases and enzymes involved in the polyamine synthesis recognize only a single cofactor type, the S-Adenosylmethionine (SAM), the oxidoreductases, depending on the family, bind nicotinamide (NA… Show more

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Cited by 5 publications
(12 citation statements)
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“…In addition to catalyzing a wide variety of redox reactions, some SDRs can also act as epimerases and lyases 43 . While the task of predicting redox cofactor preference from sequence is well-established in the literature [46][47][48] , we reasoned it would serve as an initial, baseline task to benchmark our approach.…”
Section: Resultsmentioning
confidence: 99%
“…In addition to catalyzing a wide variety of redox reactions, some SDRs can also act as epimerases and lyases 43 . While the task of predicting redox cofactor preference from sequence is well-established in the literature [46][47][48] , we reasoned it would serve as an initial, baseline task to benchmark our approach.…”
Section: Resultsmentioning
confidence: 99%
“…As the field of ML interpretation expands in both theory and software availability, different avenues of feature identification may be pursued besides our black-box perturbation approach. A promising example is the integrated gradients method 55 (available currently only in the PyTorch-based package captum), as illustrated in the recent study by Kaminki et al 56 Given these recapitulations of known primary and secondary protein structure determinants of thermostability by DeepET's features, which were learned by the model from sequence alone, and the observed shift in model-relevant domains between mesophiles and thermophiles, the use of the DeepET is a promising avenue towards elucidating the physical mechanisms that convey enzymes resistance to extreme temperatures. Future work will therefore focus on further interpreting DeepET and its learned representations both using in silico analyses, and in a biological context, to deepen our understanding of enzyme thermal adaptation.…”
Section: Discussionmentioning
confidence: 99%
“…As the field of ML interpretation expands in both theory and software availability, different avenues of feature identification may be pursued besides our black‐box perturbation approach. A promising example is the integrated gradients method 55 (available currently only in the PyTorch‐based package captum ), as illustrated in the recent study by Kaminki et al 56 …”
Section: Discussionmentioning
confidence: 99%
“…G2G (Shi et al, 2020) and RetroXpert (Yan et al, 2020) regards the bond that appears in the product but not in the reactants as the reaction center. They use R-GCN (Schlichtkrull et al, 2018) and EGAT (Kamiński et al, 2022) respectively to predict the probability of each bond as a single reaction center. GRAPHRETRO (Somnath et al, 2021) also considers the atom whose number of attached hydrogens changes in the product as a single reaction center.…”
Section: Intruductionmentioning
confidence: 99%
“…To the best of our knowledge, the only existing method that can simultaneously address single and multiple reaction center identification task appear in RetroXpert (Yan et al, 2020). It uses one shared EGAT (Kamiński et al, 2022) to output two tensors (Fig. 3).…”
Section: Intruductionmentioning
confidence: 99%