CHEMICAL SHIFTS
Standard chemical shifts of random extended chain structures:
1Ha | 13Ca | 15Nb |
NH: 8.25
HA: 4.35 HB: 1.39 |
CO: 175.8
CA: 50.8 CB: 17.7 |
N: 122.5 |
More info in:IDENTIFICATION1H chemical shifts of amino acids 13C chemical shifts of amino acids Average 1HA, 1HN and 15N chemical shifts in random coil
Easy spin system identification from:SECONDARY STRUCTURE
Standard average chemical shift values used in determination of secondary structure by means of the CSI method:OBSERVATIONSHA: 4.35Thus:
CA: 52.2
CO: 177.6HELIX B STRAND COIL
CA CO CA CO CA CO
54.7 179.6 50.3 175.0 52.4 177.6More info in: 13CA and 13CO chemical shifts according to secondary structure.
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