Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science

Solution Phase Synthesis and Conformational Analysis of Glu-Ser-Leu-Ser-Ser-Ser-Glu-Glu-NHMe and Its Peptide Congeners (Non-Phosphorylated Region 14-21 of Bovine β-Casein A2)

JW Perich and RB Johns

Australian Journal of Chemistry 45(11) 1857 - 1869
Published: 1992


The octapeptide H-Glu-Ser-Leu-Ser-Ser-Ser-Glu-Glu-NHMe.CF3CO2H and its five shorter peptide congeners (from tripeptide to heptapeptide ) were prepared in high yield and purity by the Boc mode of solution phase peptide synthesis followed by palladium- catalysed hydrogenolytic deprotection of the six protected peptides in 50% CF3CO2H/CH3CO2H solution. The analysis of the six peptides by 13C n.m.r. spectroscopy and C18 reversed-phase chromatography suggested that a structural arrangement commenced at the hexapeptide stage and was considered to be due to the formation of a β-turn conformation.

© CSIRO 1992

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