Table 6.

Residue, contacts and energy scores obtained from the interaction of peptides with the crystal structure of SARS-CoV-2 parent protease in Apo form (PDB: 6M03) and SARS-CoV-2 main protease in complex with an inhibitor N3(PDB: 6LU7).

Sequence	6M03			6LU7
	Residue	Contacts	Energy	Residue	Contacts	Energy
ALPMHIR	294	63.34	−13.68	107	36,14	−13.92
IPAVFK	105	35.74	−12.81	110	22.46	−12.96
GLDIQK	126	59.94	−11.37	126	63,74	−11.97
IIAEK	126	29.78	−11.93	294	45,62	−11.34
EALEK	126	29.64	−11.08	126	34,5	−10.65
TPEVDK	4	48,68	−9.75	4	49,2	−9.67

Residue: The number of amino acid that the peptide bound on the protein, Contacts: Interface propensity, PDB codes; 6M03: The crystal structure of COVID-19 main protease in apo form 6LU7: The crystal structure of COVID-19 main protease in complex with an inhibitor N3.