Table 1. Sequence of the zipper peptides E and K and EPR samples.

peptides	sequences
E	Ac-(EIAALEK)3-GY-NH2
K	Ac-(KIAALKE)3-GW-NH2
E-SL	Ac-(EIAALEK)3-GYC(SL)-NH2
K-SL	Ac-(KIAALKE)3-GWC(SL)-NH2
SL-K	Ac-C(SL)-(KIAALKE)3-GW-NH2
samples used for EPR measurements
E-SL
K-SL
SL-K
E-SL:K-SL
E-SL:SL-K

C(SL): cysteine with MTSL attached, Ac: acetyl