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Important features (wavenumbers) that make significant contributions to RF classification of the prokaryotic species
| Wavenumber (cm−1) | Assignmenta | Molecular components |
|---|---|---|
| 775.7–786.0 | Pyrimidine ring (C, T, and U), O-P-O backbone | DNA/RNA |
| 999.0, 1000.7 | Phenylalanine ring breathing | Proteins |
| 1137.5–1157.3 | C–C stretch | Carotenoids |
| 1508.8–1527.7 | C=C stretch | Carotenoids |
| 1568.4 | Purine ring (A and G) | DNA/RNA |
| 1655.4, 1661.5 | Amide I | Proteins |
| 2844.3, 2846.8 | CH2 symmetric stretch | Lipids |
