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Aim: In order to investigate the potential biological activities, we simulated a series of cyclin-dependent
kinases (CDKs) (CDK1, CDK2, and CDK6 series) with molecular docking approach experiments to identify
the bioactive compounds and evaluated the in vitro antitumor activity of ethanol extract of buds cloves (EEBC).
In addition, we conducted a series of experiments to identify the potential biological mechanisms of the EEBC.
Material and Methods: In this study, we investigated in silico molecular docking to know about their molecular
mechanisms of EEBC and the active components for cytotoxic activity. This research was carried out using
AutoDock4 software. To prove the in silico docking result, we also investigated the cytotoxic effects of EEBC
using cell lines of human cancer. Results: Based on all the docking result, Myricetin and Quercetin in EEBC
played a main role as CDKs inhibitor because they showed very good free energy binding against CDK2, CDK6,
and CDK1. IC50 values of EEBC (IC50 of 24.45 Î¼g/ml) on HCT-116. Conclusion: EEBC could be potential sources
from natural products that have cytotoxic properties against colorectal cancer through CDKs inhibition mechanism.
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