Results 241 to 250 of about 202,644 (301)

Structural insights into somatostatin receptor 5 bound with cyclic peptides. [PDF]

open access: yesActa Pharmacol Sin
Li YG   +6 more
europepmc   +1 more source

CyclicPepedia: a knowledge base of natural and synthetic cyclic peptides. [PDF]

open access: yesBrief Bioinform
Liu L   +7 more
europepmc   +1 more source

Surface Modification of PEEKs with Cyclic Peptides to Support Endothelialization and Antithrombogenicity. [PDF]

open access: yesMater Today Commun
Young ER   +8 more
europepmc   +1 more source

SARS-CoV-2 Spike Protein-Derived Cyclic Peptides as Modulators of Spike Interaction with GRP78. [PDF]

open access: yesChembiochem
Johnson N   +5 more
europepmc   +1 more source

Orally Absorbed Cyclic Peptides

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   +5 more
openaire   +5 more sources

Cyclic peptides

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

Cyclic peptides.

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
openaire   +1 more source

CYCLIC PEPTIDES

International Journal of Peptide and Protein Research, 1980
Å number of cyclo (Δaminoacyl‐L‐aminoacyl) (Δaminoacyl =ΔAba, ΔVal, ΔLeu, ΔApp, ΔPhe and ΔTrp; L‐aminoacyl=L‐Ala, L‐Val, L‐Leu and L‐Lys (e‐Ac)) were synthesized by the condensation of cyclo (N‐acetyl‐Gly‐N‐acetyl‐L‐aminoacyl) with corresponding aldehyde or acetone and subsequent treatment with hydrazine. Each cyclo (Δaminoacyl‐L‐aminoacyl) except ones
TATSUHIKO KANMERA   +3 more
openaire   +1 more source

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