Table 1. Residue range and number for the subdomains and functionally important sites of the RdRP.

RdRP subdomains	Residue Range
Finger 1 (FD1)	398–581
Finger 2 (FD2)	621–679
Palm (PD)	582–627 / 688–815
Thumb (TD)	816–919
Functionally important sites	Residue name and number
Catalytic site	TRP 617, CYS 622, SER 759, ASP 760, ASP 761, CYS 813
Primer binding	SER 759, ASP 760, ASP 761, CYS 813, SER 814, GLN 815
Template binding	LYS 500, SER 501, ASN 507
Inhibitor binding	LYS 551, ARG 553, ARG 555