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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