Table 1 1H and 13C NMR Data for Sansanmycin F and G in D2Oa (pD=8.0, δ in p.p.m.)
From: Two novel nucleosidyl–peptide antibiotics: Sansanmycin F and G produced by Streptomyces sp SS
Sansanmycin F | Sansanmycin G | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Extra signals due to conformers | Extra signals due to conformers | ||||||||
Position b | Mult. | δC | δH | δC | δH | δC | δH | δC | δH |
Uracil-2 | N-CO-N | 155.0 | 161.1 | 161.0 | |||||
Uracil-4 | CO-N | 170.0 | 170.5 | 178.4 | |||||
Uracil-5 | CH | 105.1 | 5.43 | 5.82 | 105.7 | 5.36 | 105.6 | 5.79 | |
Uracil-6 | CH | 142.5 | 7.13 | 7.35 | 141.4 | 6.98 | 7.24 | ||
Sugar-1 | O-CH-N | 96.3 | 6.07 | 96.4 | 6.00 | 96.0 | 6.13 | ||
Sugar-2 | O-CH | 75.5 | 4.44 | 75.6 | 4.47 | 75.3 | 4.50 | 75.4 | |
Sugar-3 | CH2 | 35.8 | 2.91 | 35.9 | 2.68 | ||||
2.94 | 3.00 | ||||||||
Sugar-4 | >C= | 147.1 | 147.3 | ||||||
Sugar-5 | -CH= | 99.9 | 6.02 | 99.1 | 5.99 | 99.4 | 6.00 | ||
AMBA-1 | CO-N | 170.5 | 170.3 | 170.1 | |||||
AMBA-2 | CH | 58.3 | 4.60 | 58.5 | 4.58 | ||||
AMBA-3 | CH | 53.3 | 4.96 | 59.2 | 4.35 | 53.2 | 4.96 | 4.81 | |
AMBA-4 | CH3 | 16.0 | 1.18 | 17.0 | 1.21 | 15.9 | 1.18 | 1.12 | |
AMBA-N-CH3 | N-CH3 | 32.6 | 2.95 | 31.2 | 2.82 | 32.6 | 2.94 | ||
Trp-1 | -COOH | 182.1 | 182.2 | ||||||
Trp-2 | CH | 59.2 | 4.38 | 59.1 | 4.37 | ||||
Trp-3 | CH2 | 31.2 | 3.25 | 31.2 | 3.26 | ||||
3.08 | 3.04 | ||||||||
Trp-2′ | CH | 126.9 | 7.18 | 127.0 | 7.19 | ||||
Trp-3′ | ArC | 113.3 | 113.3 | ||||||
Trp-3a′ | ArC | 130.2 | 130.2 | ||||||
Trp-4′ | ArCH | 121.5 | 7.62 | 121.6 | 7.66 | ||||
Trp-5′ | ArCH | 121.9 | 7.10 | 121.9 | 7.14 | ||||
Trp-6′ | ArCH | 124.4 | 7.17 | 124.5 | 7.41 | ||||
Trp-7′ | ArCH | 114.4 | 7.39 | 114.5 | 7.43 | ||||
Trp-7a′ | ArC | 138.9 | 138.9 | ||||||
Ureido | N-CO-N | 161.3 | 161.4 | ||||||
TIC-carbonyl | CO-N | 176.8 | 177.6 | ||||||
TIC-1 | C | 56.5 | 56.1 | ||||||
TIC-3 | CH | 51.9 | 4.01 | 4.35 | 51.8 | 3.92 | |||
TIC-4 | CH2 | 34.7 | 2.75 | 35.1 | 2.68 | ||||
2.67 | 2.53 | ||||||||
TIC-5 | ArCH | 117.6 | 6.49 | 6.62 | 118.8 | 6.42 | 6.52 | ||
TIC-6 | Ar-C-O | 156.7 | 160.8 | ||||||
TIC-7 | ArCH | 117.3 | 6.75 | 118.7 | 6.68 | ||||
TIC-8 | ArCH | 130.1 | 7.18 | 130.2 | 130.2 | 7.14 | |||
TIC-9 | ArC | 137.1 | 135.4 | ||||||
TIC-10 | ArC | 136.1 | 136.4 | ||||||
TIC-1-methyl | CH3 | 32.7 | 1.46 | 1.50 | 33.2 | 1.43 | |||
TIC-1-methyl | CH3 | 32.1 | 1.35 | 1.41 | 32.2 | 1.33 | |||
Met-1/Leu-1c | CO-N | 177.5 | 178.7 | ||||||
Met-2/Leu-2c | CH | 55.9 | 4.26 | 55.6 | 4.15 | 4.08 | |||
Met-3/Leu-3c | CH2 | 33.8 | 1.90 | 43.2 | 1.43 | ||||
1.82 | |||||||||
Met-4/Leu-4c | CH | 32.2 | 2.44 | 27.1 | 1.46 | ||||
2.42 | |||||||||
Leu-5 | CH3 | 23.9 | 0.83 | ||||||
Met-6/Leu-6c | CH3 | 17.0 | 2.02 | 1.95 | 23.8 | 0.82 | |||
