Table 3. Global sequence and structural homology between HsLigI, residues 535 to 751, and three other selected DNA ligases.

	Identity Similarity	FATCAT p value
HsLigIIIβ	31%	-
E. faecalis v583 NAD-dependent DNA ligase	4%	2.36×10−7
M. tuberculosis DNA ligase	4%	1.07×10−6