Article
Fluorine Atoms on C6H5-Corrole Affect the Interaction with Mpro and PLpro Proteases of SARS-CoV-2: Molecular Docking and 2D-QSAR Approaches
Registro en:
CHAVES, Otávio Augusto et al. Fluorine Atoms on C6H5-Corrole Affect the Interaction with Mpro and PLpro Proteases of SARS-CoV-2: Molecular Docking and 2D-QSAR Approaches. International Journal of Molecular Sciences, v. 23, 10936, p. 1 - 20, Sept. 2022.
1422-0067
10.3390/ijms231810936
Autor
Chaves, Otávio Augusto
Santos, Cláudio Eduardo Rodrigues
Echevarria, Áurea
Sacramento, Carolina Q.
Rodrigues, Natalia Fintelman
Temerozo, Jairo R.
Faria Neto, Hugo Caire Castro
Souza, Thiago Moreno Lopes e
Resumen
The chymotrypsin-like cysteine protease (3CLpro, also known as main protease—Mpro)
and papain-like protease (PLpro) of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
have been used as the main targets for screening potential synthetic inhibitors for posterior in vitro
evaluation of the most promising compounds. In this sense, the present work reports for the first
time the evaluation of the interaction between Mpro/PLpro with a series of 17 porphyrin analoguescorrole
(C1), meso-aryl-corrole (C2), and 15 fluorinated-meso-aryl-corrole derivatives (C3–C17) via
molecular docking calculations. The impact of fluorine atoms on meso-aryl-corrole structure was
also evaluated in terms of binding affinity and physical-chemical properties by two-dimensional
quantitative structure–activity relationship (2D-QSAR). The presence of phenyl moieties increased
the binding capacity of corrole for both proteases and depending on the position of fluorine atoms
might impact positively or negatively the binding capacity. For Mpro the para-fluorine atoms might
decrease drastically the binding capacity, while for PLpro there was a certain increase in the binding
affinity of fluorinated-corroles with the increase of fluorine atoms into meso-aryl-corrole structure
mainly from tri-fluorinated insertions. The 2D-QSAR models indicated two separated regions of
higher and lower affinity for Mpro:C1–C17 based on dual electronic parameters ( I and R), as well
as one model was obtained with a correlation between the docking score value of Mpro:C2–C17 and
the corresponding 13C nuclear magnetic resonance (NMR) chemical shifts of the sp2 carbon atoms
( C-1 and C-2) of C2–C17. Overall, the fluorinated-meso-aryl-corrole derivatives showed favorable
in silico parameters as potential synthetic compounds for future in vitro assays on the inhibition of
SARS-CoV-2 replication.