About: Combined QM/MM MERP and PES calculations on retaining glycosyltransferase ppGalNAcT2     Goto   Sponge   NotDistinct   Permalink

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  • The glycosylation of cell surface proteins plays a crucial role in a multitude of biological processes, such as cell adhesion and recognition. To understand the process of protein glycosylation, the reaction mechanisms of the participating enzymes need to be known. However, the reaction mechanism of retaining glycosyltransferases has not yet been sufficiently explained. Here we investigated the catalytic mechanism of human isoform 2 of the retaining glycosyltransferase polypeptide UDP-GalNAc transferase by coupling two different QM/MM-based approaches, namely a potential energy surface scan in two distance difference dimensions and a minimum energy reaction path optimisation using the Nudged Elastic Band method. Potential energy scan studies often suffer from inadequate sampling of reactive processes due to a predefined scan coordinate system.
  • The glycosylation of cell surface proteins plays a crucial role in a multitude of biological processes, such as cell adhesion and recognition. To understand the process of protein glycosylation, the reaction mechanisms of the participating enzymes need to be known. However, the reaction mechanism of retaining glycosyltransferases has not yet been sufficiently explained. Here we investigated the catalytic mechanism of human isoform 2 of the retaining glycosyltransferase polypeptide UDP-GalNAc transferase by coupling two different QM/MM-based approaches, namely a potential energy surface scan in two distance difference dimensions and a minimum energy reaction path optimisation using the Nudged Elastic Band method. Potential energy scan studies often suffer from inadequate sampling of reactive processes due to a predefined scan coordinate system. (en)
Title
  • Combined QM/MM MERP and PES calculations on retaining glycosyltransferase ppGalNAcT2
  • Combined QM/MM MERP and PES calculations on retaining glycosyltransferase ppGalNAcT2 (en)
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  • Combined QM/MM MERP and PES calculations on retaining glycosyltransferase ppGalNAcT2
  • Combined QM/MM MERP and PES calculations on retaining glycosyltransferase ppGalNAcT2 (en)
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  • RIV/00216224:14740/14:00079601!RIV15-MSM-14740___
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  • P(LH13055)
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  • 7817
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  • RIV/00216224:14740/14:00079601
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  • glycosyltransferases; QM/MM; reaction mechanism (en)
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  • [6A295F349E52]
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  • Koča, Jaroslav
  • Kozmon, Stanislav
  • Trnka, Tomáš
  • Tvaroška, Igor
http://localhost/t...ganizacniJednotka
  • 14740
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