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Fluorescence decay time distribution analysis of cyclic enkephalin analogues. Influence of the solvents and configuration of amino acids in position 2 and 3 on changes in conformation

100%

Malicka J., Groth M., Czaplewski C., Liwo A., Wiczk W.

Acta Biochimica Polonica

1999

tom 46

nr 3

The lifetime distribution calculations were applied to study the influence of configuration of amino-acid residues in positions 2 and 3 on changes in conformation of the peptide chain of cyclic analogues of enkephalins containing a fluorescence energy donor and acceptor in different solvents. In all the solvents studied the lifetime distributions were bimodal. This testified to the presence of two families of conformations. In this paper the relationship between the population of each conformation and configuration of the residues in position 2 and 3, and the solvent used is discussed.

Fluorescence decay time distribution analysis of cyclic enkephalin analogues; Influence of solvent and Leu configuration in position 5 on conformation

84%

Malicka J., Ganzynkowicz R., Groth M., Czaplewski C., Karolczak J., Liwo A., Wiczk W.

Acta Biochimica Polonica

2001

tom 48

nr 1

Lifetime distribution analysis were performed to study the influence of Leu configuration in position 5 on changes of the peptide chain of cyclic analogues of enkephalins containing a fluorescence donor and acceptor in different solvents. The configuration change of Leu5 in all the analogues of enkephalins studied which contain donor-acceptor pairs has no apparent influence on Trp lifetime distributions. In contrast, there is a significant solvent effect on the shape of lifetime distribution.

Ograniczanie wyników

2 Acta Biochimica Polonica

2 Czaplewski C.

2 Groth M.

2 Liwo A.

2 Malicka J.

2 Wiczk W.

1 Ganzynkowicz R.

1 Karolczak J.

1 2001

1 1999

Wyniki wyszukiwania

Fluorescence decay time distribution analysis of cyclic enkephalin analogues. Influence of the solvents and configuration of amino acids in position 2 and 3 on changes in conformation

Fluorescence decay time distribution analysis of cyclic enkephalin analogues; Influence of solvent and Leu configuration in position 5 on conformation