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Surface Modification of PEEKs with Cyclic Peptides to Support Endothelialization and Antithrombogenicity. [PDF]
Mater Today CommunYoung ER +8 more
europepmc +1 more source
Correction to: Structure prediction of linear and cyclic peptides using CABS-flex. [PDF]
Brief Bioinformeuropepmc +1 more source
Orally Absorbed Cyclic Peptides [PDF]
Chemical Reviews, 2017 Peptides and proteins are not orally bioavailable in mammals, although a few peptides are intestinally absorbed in small amounts. Polypeptides are generally too large and polar to passively diffuse through lipid membranes, while most known active transport mechanisms facilitate cell uptake of only very small peptides. Systematic evaluations of peptides
Daniel S Nielsen +2 more
exaly +6 more sources
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International Journal of Peptide and Protein Research, 1986
In order to investigate the role of the L‐2‐hydroxy‐3‐methylbutanoic acid residue at position 2 of AM‐toxin I (cyclic tetradepsipeptide) on necrotic activity for apple leaves, two analogs, [L‐lactic acid2] AM‐toxin I and [L‐2‐hydroxy‐4‐methylpentanoic acid2] AM‐toxin I, were synthesized by the conventional method for peptide synthesis.
HISAKAZU MIHARA +6 more
+4 more sources
In order to investigate the role of the L‐2‐hydroxy‐3‐methylbutanoic acid residue at position 2 of AM‐toxin I (cyclic tetradepsipeptide) on necrotic activity for apple leaves, two analogs, [L‐lactic acid2] AM‐toxin I and [L‐2‐hydroxy‐4‐methylpentanoic acid2] AM‐toxin I, were synthesized by the conventional method for peptide synthesis.
HISAKAZU MIHARA +6 more
+4 more sources
Journal of the American Chemical Society, 2006
The synthesis of rotaxanes derived from the synthetic peptide macrocycles cyclo(l-ProGly)4 and cyclo(l-ProGly)5 and diammonium threads is described. [2]Rotaxanes are formed in good yields (56-63%), despite the disruption of internal amide-amide hydrogen bonding in the macrocycles.
Vincent, Aucagne +3 more
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The synthesis of rotaxanes derived from the synthetic peptide macrocycles cyclo(l-ProGly)4 and cyclo(l-ProGly)5 and diammonium threads is described. [2]Rotaxanes are formed in good yields (56-63%), despite the disruption of internal amide-amide hydrogen bonding in the macrocycles.
Vincent, Aucagne +3 more
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International Journal of Peptide and Protein Research, 1985
cyclo(‐l‐Pro‐l‐Val‐l‐Pro‐l‐Val‐) (1L) and cyclo(‐l‐Pro‐d‐Val‐l‐Pro‐d‐Val‐) (1D) were synthesized by the conventional method for peptide synthesis. Conformations of 1L and 1D in solution were studied. Compound 1L has a cis‐trans‐cis‐trans backbone conformation with C2 symmetry in CDCl3.
TOSHIHISA UEDA +3 more
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cyclo(‐l‐Pro‐l‐Val‐l‐Pro‐l‐Val‐) (1L) and cyclo(‐l‐Pro‐d‐Val‐l‐Pro‐d‐Val‐) (1D) were synthesized by the conventional method for peptide synthesis. Conformations of 1L and 1D in solution were studied. Compound 1L has a cis‐trans‐cis‐trans backbone conformation with C2 symmetry in CDCl3.
TOSHIHISA UEDA +3 more
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Engineering Cyclic Peptide Toxins
2012Peptide-based toxins have attracted much attention in recent years for their exciting potential applications in drug design and development. This interest has arisen because toxins are highly potent and selectively target a range of physiologically important receptors.
Clark, Richard J., Craik, David J.
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International Journal of Peptide and Protein Research, 1984
In order to explore the route for cyclization of linear oligopeptide containing a ΔAla (α, β‐dehydroalanine) residue, AM‐toxin II was synthesized. As a preliminary experiment, synthesis of [L‐Phe3] AM‐toxin II, containing L‐Phe in place of L‐App (L‐2‐amino‐5‐phenylpentanoic acid), was attempted.
TOSHIRO KOZONO +4 more
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In order to explore the route for cyclization of linear oligopeptide containing a ΔAla (α, β‐dehydroalanine) residue, AM‐toxin II was synthesized. As a preliminary experiment, synthesis of [L‐Phe3] AM‐toxin II, containing L‐Phe in place of L‐App (L‐2‐amino‐5‐phenylpentanoic acid), was attempted.
TOSHIRO KOZONO +4 more
openaire +1 more source
International Journal of Peptide and Protein Research, 1981
In order to establish possible routes for the synthesis of AM‐toxins, cyclotetradepsipeptides containing Dha, Pyr‐L‐Ala‐L‐Hmb‐L‐Tyr‐NH2 were prepared and treated with TFA or anhydrous HF. The product was identified to be cyclo (‐α‐Hyala‐L‐Ala‐L‐Hmb‐L‐Tyr‐), resulting from intramolecular condensation of the α‐keto and amide group with the formation of ...
Kosaku Noda +4 more
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In order to establish possible routes for the synthesis of AM‐toxins, cyclotetradepsipeptides containing Dha, Pyr‐L‐Ala‐L‐Hmb‐L‐Tyr‐NH2 were prepared and treated with TFA or anhydrous HF. The product was identified to be cyclo (‐α‐Hyala‐L‐Ala‐L‐Hmb‐L‐Tyr‐), resulting from intramolecular condensation of the α‐keto and amide group with the formation of ...
Kosaku Noda +4 more
openaire +1 more source