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  1. Article ; Online: Inhibition Mechanism of Anti-TB Drug SQ109: Allosteric Inhibition of TMM Translocation of Mycobacterium Tuberculosis MmpL3 Transporter.

    Carbone, Justin / Paradis, Nicholas J / Bennet, Lucas / Alesiani, Mark C / Hausman, Katherine R / Wu, Chun

    Journal of chemical information and modeling

    2023  Volume 63, Issue 16, Page(s) 5356–5374

    Abstract: The mycolic acid transporter MmpL3 is driven by proton motive forces (PMF) and functions via an antiport mechanism. Although the crystal structures of ... ...

    Abstract The mycolic acid transporter MmpL3 is driven by proton motive forces (PMF) and functions via an antiport mechanism. Although the crystal structures of the
    MeSH term(s) Mycobacterium tuberculosis ; Protons ; Membrane Transport Proteins ; Biological Transport
    Chemical Substances trehalose monomycolate ; Protons ; Membrane Transport Proteins ; N-geranyl-N'-(2-adamantyl)ethane-1,2-diamine
    Language English
    Publishing date 2023-08-17
    Publishing country United States
    Document type Journal Article ; Research Support, U.S. Gov't, Non-P.H.S. ; Research Support, Non-U.S. Gov't
    ZDB-ID 190019-5
    ISSN 1549-960X ; 0095-2338
    ISSN (online) 1549-960X
    ISSN 0095-2338
    DOI 10.1021/acs.jcim.3c00616
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Novel inhibitors to ADP ribose phosphatase of SARS-CoV-2 identified by structure-based high throughput virtual screening and molecular dynamics simulations.

    Patel, Dhrumi C / Hausman, Katherine R / Arba, Muhammad / Tran, Annie / Lakernick, Phillip M / Wu, Chun

    Computers in biology and medicine

    2021  Volume 140, Page(s) 105084

    Abstract: The outbreak of a new coronavirus (SARS-CoV-2) was first identified in Wuhan, People's Republic of China, in 2019, which has led to a severe, life-threatening form of pneumonia (COVID-19). Research scientists all around the world have been trying to find ...

    Abstract The outbreak of a new coronavirus (SARS-CoV-2) was first identified in Wuhan, People's Republic of China, in 2019, which has led to a severe, life-threatening form of pneumonia (COVID-19). Research scientists all around the world have been trying to find small molecule drugs to treat COVID-19. In the present study, a conserved macrodomain, ADP Ribose phosphatase (ADRP), of a critical non-structural protein (Nsp3) in all coronaviruses was probed using large-scale Molecular Dynamics (MD) simulations to identify novel inhibitors. In our virtual screening workflow, the recently-solved X-ray complex structure, 6W6Y, with a substrate-mimics was used to screen 17 million ZINC15 compounds using drug property filters and Glide docking scores. The top twenty output compounds each underwent 200 ns MD simulations (i.e. 20 × 200 ns) to validate their individual stability as potential inhibitors. Eight out of the twenty compounds showed stable binding modes in the MD simulations, as well as favorable drug properties from our predctions. Therefore, our computational data suggest that the resulting top eight out of twenty compounds could potentially be novel inhibitors to ADRP of SARS-CoV-2.
    Language English
    Publishing date 2021-11-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 127557-4
    ISSN 1879-0534 ; 0010-4825
    ISSN (online) 1879-0534
    ISSN 0010-4825
    DOI 10.1016/j.compbiomed.2021.105084
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Unraveling the binding mechanism of the active form of Remdesivir to RdRp of SARS-CoV-2 and designing new potential analogues: Insights from molecular dynamics simulations.

    Arba, Muhammad / Paradis, Nicholas / Wahyudi, Setyanto T / Brunt, Dylan J / Hausman, Katherine R / Lakernick, Phillip M / Singh, Mursalin / Wu, Chun

    Chemical physics letters

    2022  Volume 799, Page(s) 139638

    Abstract: The binding of the active form of Remdesivir (RTP) to RNA-dependent RNA Polymerase (RdRp) of SARS-CoV-2 was studied using molecular dynamics simulation. The RTP maintained the interactions observed in the experimental cryo-EM structure. Next, we designed ...

    Abstract The binding of the active form of Remdesivir (RTP) to RNA-dependent RNA Polymerase (RdRp) of SARS-CoV-2 was studied using molecular dynamics simulation. The RTP maintained the interactions observed in the experimental cryo-EM structure. Next, we designed new analogues of RTP, which not only binds to the RNA primer strand in a similar pose as that of RTP, but also binds more strongly than RTP does as predicted by MM-PBSA binding energy. This suggest that these analogues might be able to covalently link to the primer strand as RTP, but their 3' modification would terminate the primer strand growth.
    Language English
    Publishing date 2022-04-20
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 1466293-0
    ISSN 0009-2614
    ISSN 0009-2614
    DOI 10.1016/j.cplett.2022.139638
    Database MEDical Literature Analysis and Retrieval System OnLINE

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