Extensive studies on the structure of collagen have revealed that the hydroxylation of Pro residues in a variety of model peptides with the typical (X-Y-Gly)(n) repeats (X and Y: Pro and its analogues) represents one of the major factors influencing
European journal of drug metabolism and pharmacokinetics, 22(3), 245-252 (1997-07-01)
The metabolism of a new piracetam analogue, the dipeptide cognitive enhancer N-phenylacetyl-L-prolylglycine ethyl ester (GVS-111) was studied in vivo. GVS-111 itself was not found in rat brain 1 h after 5 mg/kg i.p. administration up to limit of detection (LOD)
The Journal of organic chemistry, 74(13), 4812-4818 (2009-05-23)
Tetrapeptides, containing a terminated primary amine and conformationally restricted D-Pro-Gly or D-Pro-Aib (2-aminoisobutanoic acid) segment as a strongly beta-turn-nucleating element, were designed and synthesized with condensation of N-module dipeptides with C-module dipeptides in solution. They were first applied to catalyze
Journal of the American Chemical Society, 129(25), 7936-7949 (2007-06-07)
We report a combined experimental and computational study of the proline effect in model dipeptides Pro-Gly and Gly-Pro. Gas-phase protonated peptide ions were discharged by glancing collisions with potassium or cesium atoms at 3 keV collision energies, and the peptide
The Journal of biological chemistry, 269(15), 11391-11399 (1994-04-15)
Lactococcus lactis takes up di- and tripeptides via a proton motive force-dependent carrier protein. The gene (dtpT) encoding the di-tripeptide transport protein of L. lactis was cloned by complementation of a dipeptide transport-deficient and proline auxotrophic Escherichia coli strain. Functional
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