Table 1.

Maxima in cm⁻¹ of ¹³C=O and β‐strand bands from the IR absorption spectra.

Peptide	Low‐frequency 13C=O	High‐frequency 13C=O	β‐Sheet
1W	n.a.[a]	n.a.[a]	1634
1W‐4	1594	n.a.[a]	1639
1W‐13	n.a.[a]	1607	1635
1W‐20	1588	n.a.[a]	1637
1W‐4–13	1587	1610	1641
1W‐13–20	1588	1608	1638
1W‐4–13–20	1588	1608	1642

[a] Not applicable.