TABLE 1.

Probability of H-bond formation in TSE at T^* = 3.60 (near transition temperature)

Serial*	Donor†	Acceptor†	Probability	Location
H1	Glu12	Phe25	0.69	β1-β2
H2	Phe25	Glu12	0.51
H3	Arg14	Tyr23	0.37
H4	Tyr23	Arg14	0.46
H5	Ser16	Arg21	0.27	Loop 1
H6	Ser19	Ser16	0.25
H7	Ser19 (O-H)	Arg21 (N-H)‡	0.06
H8	Ile28	Asn26 (O=CNH2)	0.41	Loop 2
H9	Thr29	Asn26 (O=CNH2)	0.25
H10	Asn30	Asn26	0.02
H11	Ala31	Thr29 (O-H)	0.05
H12	Asn26	Asn31	0.05
H13	Tyr24	Gln33	0.00	β2-β3
H14	Gln33	Tyr24	0.00

^*Indicated in Fig. 1 B.

^†The side-chain groups are shown in brackets.

^‡Backbone N-H.