氧-18同位素标记及其对肽键碳-13化学位移的影响。
Oxygen-18 isotope labeling and its effect on carbon-13 chemical shifts of the peptide bond.
作者信息
Ponnusamy E, Fiat D, Jones C R
出版信息
Int J Pept Protein Res. 1986 Nov;28(5):542-5. doi: 10.1111/j.1399-3011.1986.tb03290.x.
Abstract
The effects of 18O isotopes on 13C NMR chemical shifts of peptide carbonyl carbons were found to be 0.028 ppm for glyclyglycine and 0.029 ppm for glycylproline at 50.31 MHz.
摘要
发现在50.31兆赫时，18O同位素对甘氨酰甘氨酸肽羰基碳的13C NMR化学位移的影响为0.028 ppm，对甘氨酰脯氨酸的影响为0.029 ppm。
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