Table 1. Crystal Structure Models Used in This Study.

PDB ID	species	family	res. (Å)	ref
1OZ6	Echis carinatus	viper	2.60	(20)
1TGM	Daboia russelii	viper	1.86	(21)
1BJJ	Gloydius halys Aa	viper	2.80	(22)
1PSJ	Gloydius halys Ba	viper	2.00	(23)
1POA	Naja atra	elapid	1.50	(24)
1TD7	Naja sagittifera	elapid	2.50	(25)
1GP7	Ophiophagus hannah	elapid	2.60	(26)
1FE5	Bungarus caeruleus	elapid	2.45	(27)

^aDivergent reported PLA₂ variants.²¹