FTIR FUNCTIONAL GROUP

Protein beta sheet — FTIR absorption peaks and assignments

These are the characteristic FTIR wavenumbers where Protein beta sheet tends to absorb, compiled from published literature and ranked by supporting evidence. Each assignment is traceable to a source (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.

Backed by 8 cited sources

Characteristic FTIR peaks for Protein beta sheet

Wavenumber (cm⁻¹) Supporting facts Cited sources Top confidence
1630 8 7 1.0
1640 6 5 0.9
1635 4 4 1.0
1625 4 4 1.0
1629 4 4 0.9
1637 4 4 0.9
1626 4 3 0.95
1636 4 3 0.95
1693 3 3 0.9
1624 3 3 0.9
1633 3 2 0.95
1623 3 2 0.9
1631 2 2 0.95
1690 2 2 0.9
1628 2 2 0.8
1616 2 1 1.0
1695 2 1 0.9
1634 2 1 0.9
1638 2 1 0.9
1620 2 1 0.9
1689 2 1 0.9
1610 2 1 0.8
1656 1 1 1.0
1675 1 1 1.0
1696 1 1 0.95
1520 1 1 0.9
1691 1 1 0.9
1697 1 1 0.9
1618 1 1 0.9
1649 1 1 0.9

Showing the 30 best-supported peaks of 49 total for Protein beta sheet.

Literature behind these assignments

See Protein beta sheet in your own spectrum

Upload your FTIR spectrum and get a full interpretation report — peak assignments with literature citations, library matches, and a confidence-rated evidence chain — in seconds.

Interpret my spectrum
Submit Request Form