Using AMBER18 for relative free energy calculations

LF Song, TS Lee, C Zhu, DM York… - Journal of chemical …, 2019 - ACS Publications
With renewed interest in free energy methods in contemporary structure-based drug design,
there is a pressing need to validate against multiple targets and force fields to assess the …

Computational investigations of polymerase enzymes: Structure, function, inhibition, and biotechnology

I Geronimo, P Vidossich, E Donati… - Wiley Interdisciplinary …, 2021 - Wiley Online Library
DNA and RNA polymerases (Pols) are central to life, health, and biotechnology because
they allow the flow of genetic information in biological systems. Importantly, Pol function and …

Fast and flexible gpu accelerated binding free energy calculations within the amber molecular dynamics package

DJ Mermelstein, C Lin, G Nelson, R Kretsch… - 2018 - Wiley Online Library
Alchemical free energy (AFE) calculations based on molecular dynamics (MD) simulations
are key tools in both improving our understanding of a wide variety of biological processes …

A self-activated mechanism for nucleic acid polymerization catalyzed by DNA/RNA polymerases

V Genna, P Vidossich, E Ippoliti, P Carloni… - Journal of the …, 2016 - ACS Publications
The enzymatic polymerization of DNA and RNA is the basis for genetic inheritance for all
living organisms. It is catalyzed by the DNA/RNA polymerase (Pol) superfamily. Here …

Exploring the role of the third active site metal ion in DNA polymerase η with QM/MM free energy simulations

DR Stevens, S Hammes-Schiffer - Journal of the American …, 2018 - ACS Publications
The enzyme human DNA polymerase η (Pol η) is critical for bypassing lesions during DNA
replication. In addition to the two Mg2+ ions aligning the active site, experiments suggest …

Cooperative motion of a key positively charged residue and metal ions for DNA replication catalyzed by human DNA Polymerase-η

V Genna, R Gaspari, M Dal Peraro… - Nucleic acids …, 2016 - academic.oup.com
Trans-lesion synthesis polymerases, like DNA Polymerase-η (Pol-η), are essential for cell
survival. Pol-η bypasses ultraviolet-induced DNA damages via a two-metal-ion mechanism …

The catalytic mechanism of DNA and RNA polymerases

V Genna, E Donati, M De Vivo - ACS Catalysis, 2018 - ACS Publications
DNA and RNA polymerases (Pols) catalyze nucleic acid biosynthesis in all domains of life,
with implications for human diseases and health. Pols carry out nucleic acid extension …

A strategically located Arg/Lys residue promotes correct base paring during nucleic acid biosynthesis in polymerases

V Genna, P Carloni, M De Vivo - Journal of the American …, 2018 - ACS Publications
Polymerases (Pols) synthesize the double-stranded nucleic acids in the Watson–Crick (W–
C) conformation, which is critical for DNA and RNA functioning. Yet, the molecular basis to …

Basic, translational and clinical relevance of the DNA repair and redox signaling protein APE1 in human diseases

S Gampala, RA Caston, ML Fishel, MR Kelley - 2020 - books.rsc.org
Apurinic/apyrimidinic endonuclease–reduction/oxidation factor 1 (APE1/ref. 1, also called
APE1) is a multifunctional enzyme with essential tasks in DNA repair and …

Structural Rationalization for the Nonmutagenic and Mutagenic Bypass of the Tobacco-Derived O4-4-(3-Pyridyl)-4-oxobut-1-yl-thymine Lesion by Human Polymerase …

P Bhutani, MT Murray, CW Sommer… - Chemical Research …, 2021 - ACS Publications
Tobacco-derived pyridyloxobutyl (POB) DNA adducts are unique due to the large size and
flexibility of the alkyl chain connecting the pyridyl ring to the nucleobase. Recent …