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Table 1 Peak frequencies (first column) and corresponding spectral weights (second column) of the amide I components of 1 mM BLG in D 2 O buffer solution

From: Epicatechin-induced conformational changes in β-lactoglobulin B monitored by FT-IR spectroscopy

ν i cm−1

W i

Assignment

1612

0.03

side chains/intermolecular aggregates

1624

0.19

exposed β-strands

1636

0.35

antiparallel β- sheet

1650

0.19

unordered

1659

0.04

α-helix

1666

0.13

turn

1681

0.05

β- sheet/turn

1693

0.02

β sheet/intramolecular aggregates

  1. The error on the peak frequency is ± 2 cm–1, while that on the spectral weight is ± 0.01.
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