TABLE 3.

p values of chi‐square tests between HB types from FIRST (−0.6 kcal/mol cutoff) and HBPLUS at interface and intrachain

Dataset1/Dataset2	Intrachain		Interface		Interface/Intrachain
	FIRST	HBPLUS	FIRST	HBPLUS	Dataset	FIRST	HBPLUS
PPnrall, PDnrall	0.720	0.647	2.2e−16	0.025	PDnrall	<2.2e−16	<2.2e−16
PTnrall, PDnrall	0.874	0.945	0.002	0.0005	PPnrall	<2.2e−16	<2.2e−16
PTnrall, PPnrall	0.972	0.774	2.2e−16	<2.2e−16	PTnrall	8.904e−14	<2.2e−16