TABLE 2.

Structural similarity between NTDs and CTDs of coronaviral N proteins determined previously and corresponding domains of HCoV-NL63 N protein determined in this study, shown as RMSD of equivalent C_α atoms

Virus	PDB code		Family	RMSD, Å (no. of aligned Cα atoms)
	NTD	CTD		NTD	CTD
SARS	2OFZ	2CJR	β	1.9 (105)	2.2 (196)
MHV	3HD4		β	1.9 (109)
OC43	4J3K		β	1.2 (101)
IBV	2BXX	2CA1	γ	1.8 (109)	2.7 (187)