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Table 2 Docking scores of andrographolide with SARS-CoV-2 spike RBD and with RNA-dependent RNA polymerase of SARS-CoV-2

From: Andrographolide binds to spike glycoprotein and RNA-dependent RNA polymerase (NSP12) of SARS-CoV-2 by in silico approach: a probable molecule in the development of anti-coronaviral drug

  Dock score H-bonds Interacting residues H-bond length H-bond score
Spike RBD −10.3460 3 ASP 405 2.4 Å 34%
ARG 408 2.8 Å 94%
TYR 453 3.0 Å 19%
RdRP −10.7313 4 THR 556 2.7 Å 15%
THR 556 2.6 Å 46%
THR 556 2.7 Å 88%
THR 556 2.5 Å 76%