Citation: Shi Zhong YANG, Tao CHEN, Bo Zhong MU, Dong Zhi WEI. Characterization on the Mean Molar Absorptivity of Amino Acids in Microbial Lipopeptides[J]. Chinese Chemical Letters, ;2006, 17(4): 517-520. shu

Characterization on the Mean Molar Absorptivity of Amino Acids in Microbial Lipopeptides

1.
Department of Chemistry, East China University of Science and Technology, Shanghai 200237;
2.
Bioengineering Institute, East China University of Science and Technology, Shanghai 200237

Received Date: 19 September 2005

Fund Project: This work was supported by the National Natural Science Foundation of China (No.50374038, 50574040), Specialized Research Fund for the Doctoral Program of Higher Education (20030251002), Key Project of the Ministry of Education (03071) and by the Department of Science and Technology Shanghai (045407017).

The molar absorption coefficients of each of 14 kinds of amino acids were determined by the spectrophotometric method, and the mean molar absorption coefficients of 37 different mixtures of each with amino acid composition exactly equivalent to that of the peptide chain of the corresponding lipopeptide were determined based on calculation or experimental. The significance of the results is that the mean molar absorption coefficients strongly demonstrate the regular patterns, though different amino acids bear quite different molar absorption coefficients.
- Molar absorption coefficient,
- lipopeptide,
- amino acid,
- spectrophotometry
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