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Table 1 Assignment of secondary structure components of purified E. coli PrPWT and PrP90−231 IBs in the amide I region of ATR-FTIR spectra

From: Mammalian prion protein (PrP) forms conformationally different amyloid intracellular aggregates in bacteria

PrPWT IBs

PrP90−231 IBs

Band (cm−1)

Area (%)

Secondary structure

Band (cm−1)

Area (%)

Secondary structure

1621

16

β-Sheet

1623

23

β-Sheet

1634

25

β-Sheet

1638

20

β-Sheet

1655

40

Unordered/α-helix

1656

39

Unordered/α-helix

1677

15

β-Sheet/turns

1678

14

β-Sheet/turns

1692

4

β-Sheet

1693

4.5

β-Sheet