Results 21 to 30 of about 464,022 (216)

Identification of Cyclic Dipeptides from Escherichia coli as New Antimicrobial Agents against Ralstonia Solanacearum [PDF]

open access: yesMolecules, 2018
Ralstonia solanacearum is a causative agent of bacterial wilt in many important crops throughout the world. How to control bacterial wilt caused by R. solanacearum is a major problem in agriculture.
Shihao Song   +7 more
doaj   +2 more sources

Visible Light‐Triggered Supramolecular Hydrogel Based on Cyclic Dipeptides Stabilized with Coulomb Interactions

open access: yesMacromolecular Materials and Engineering
Amphiphilic cyclic dipeptides are efficient supramolecular hydrogelators. They can be combined with molecular photoswitches to produce light‐responsive soft materials, which can be applied in controlled drug delivery. Here it is reported that an arginine‐
Angelika Seliwjorstow   +4 more
doaj   +2 more sources

Protein synthesis with conformationally constrained cyclic dipeptides. [PDF]

open access: yesBioorg Med Chem, 2020
We have synthesized several conformationally constrained dipeptide analogues as possible substrates for incorporation into proteins. These have included three cyclic dipeptides formed from Boc derivatives of 2,4-diaminobutyric acid, ornithine and lysine, having 5-, 6-, and 7-membered lactam rings, respectively.
Zhang C, Bai X, Dedkova LM, Hecht SM.
europepmc   +4 more sources

C9orf72-Derived Proline:Arginine Poly-Dipeptides Modulate Cytoskeleton and Mechanical Stress Response

open access: yesFrontiers in Cell and Developmental Biology, 2022
Proline:arginine (PR) poly-dipeptides from the GGGGCC repeat expansion in C9orf72 have cytotoxicity and bind intermediate filaments (IFs). However, it remains unknown how PR poly-dipeptides affect cytoskeletal organization and focal adhesion (FA ...
Tomo Shiota   +13 more
doaj   +1 more source

Active site remodelling of a cyclodipeptide synthase redefines substrate scope

open access: yesCommunications Chemistry, 2022
Cyclodipeptide synthases (CDPSs) generate a wide range of cyclic dipeptides using aminoacylated tRNAs as substrates, however the substrate selection mechanism is not yet known.
Emmajay Sutherland   +2 more
doaj   +1 more source

Cyclic dipeptides and their self-assembling properties [PDF]

open access: yes, 2017
Over recent years, cyclic dipeptides, or 2,5-diketopiperazines, have found numerous applications in nanotechnology, such as biological drug delivery. Reasons for this include their ease of synthesis and numerous intrinsic properties. One such property is
Balangtaa, Jacob
core   +4 more sources

Efficient production of a cyclic dipeptide (cyclo-TA) using heterologous expression system of filamentous fungus Aspergillus oryzae

open access: yesMicrobial Cell Factories, 2022
Background Cyclic dipeptides are an important class of natural products owing to their structural diversity and biological activities. In fungi, the cyclo-ring system is formed through the condensation of two α-amino acids via non-ribosomal peptide ...
Jianzhao Qi   +9 more
doaj   +1 more source

Untargeted Global Metabolomic Analysis Reveals the Mechanism of Tripropylamine-Enhanced Lycopene Accumulation in Blakeslea trispora

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
We previously determined that the cyclase inhibitor tripropylamine (TPA) significantly enhances lycopene accumulation in Blakeslea trispora. To elucidate the mechanism of TPA-enhanced lycopene accumulation, the untargeted metabolome of B.
Yanlong Wang   +8 more
doaj   +1 more source

Evaluation of PepT1 (SLC15A1) Substrate Characteristics of Therapeutic Cyclic Peptides

open access: yesPharmaceutics, 2022
The human peptide transporter hPepT1 (SLC15A1), physiologically transporting dipeptides and tripeptides generated during food digestion, also plays a role in the uptake of small bioactive peptides and peptide-like drugs.
Gzona Bajraktari-Sylejmani   +5 more
doaj   +1 more source

Conformation for a beta-cyclodextrin monosubstituted with a cyclic dipeptide. [PDF]

open access: yesProceedings of the National Academy of Sciences, 1992
The structural characterization of a beta-cyclodextrin monosubstituted with the peptide cyclo(L-His-L-Leu) is reported. This work provides an x-ray example of a covalently bound group that folds in such a way that the terminal apolar side chain is retained in the hydrophobic interior of the cone-shaped cyclodextrin cavity.
Di Blasio B.   +9 more
openaire   +7 more sources

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