Results 11 to 20 of about 483,286 (273)

A New Peptide Synthesis [PDF]

open access: yesNature, 1949
Cook, Heilbron and Levy1 have recently prepared tetraglycylglycine and several di-peptides by reaction of 2-thio-5-thiazolones with amino-acid derivatives. During the past few years, much interest has also been shown in the polymerization potentialities of the N-carboxy anhydrides of α-amino-acids2–5.
openaire   +3 more sources

Training self-supervised peptide sequence models on artificially chopped proteins [PDF]

open access: yesarXiv, 2022
Representation learning for proteins has primarily focused on the global understanding of protein sequences regardless of their length. However, shorter proteins (known as peptides) take on distinct structures and functions compared to their longer counterparts. Unfortunately, there are not as many naturally occurring peptides available to be sequenced
arxiv  

The immunological interface: dendritic cells as key regulators in metabolic dysfunction‐associated steatotic liver disease

open access: yesFEBS Letters, EarlyView.
Metabolic dysfunction‐associated steatotic liver disease (MASLD) affects nearly one‐third of the global population and poses a significant risk of progression to cirrhosis or liver cancer. Here, we discuss the roles of hepatic dendritic cell subtypes in MASLD, highlighting their distinct contributions to disease initiation and progression, and their ...
Camilla Klaimi   +3 more
wiley   +1 more source

Structural and mechanistic basis for the regulation of the chloroplast signal recognition particle by (p)ppGpp

open access: yesFEBS Letters, EarlyView.
LHCPs are transported to the thylakoid membrane via the (cp)SRP pathway. This process involves a transit complex of (cp)SRP43, (cp)SRP54 and LHCP, which interacts with (cp)FtsY and Alb3 at the membrane. GTP hydrolysis by (cp)SRP54 and (cp)FtsY triggers complex dissociation.
Victor Zegarra   +7 more
wiley   +1 more source

Peptide Synthesis

open access: yesBIO-PROTOCOL, 2012
This protocol describes the synthesis of peptides for affinity testing and bioconjugate with solid phase peptide synthesizer at a small scale.
zheng miao, Zhen Cheng
openaire   +2 more sources

The Peptide Synthesis. II. Use of the Phenol Resin for the Peptide Synthesis [PDF]

open access: yesBulletin of the Chemical Society of Japan, 1968
Abstract The phenol resin is useful as support of the solid phase peptide synthesis. Its use is particularly advantageous for the synthesis of the N-protected peptide fragments, and those which have the intramolecular disulfide bond, such as oxytocin.
Murakami Masuo   +2 more
openaire   +3 more sources

Taurine promotes glucagon‐like peptide‐1 secretion in enteroendocrine L cells

open access: yesFEBS Letters, EarlyView.
Taurine, a sulfur‐containing amino acid, is likely taken up by enteroendocrine L cells via the taurine transporter. This process increases the levels of cytosolic ATP. The increase in intracellular Ca2+ concentrations and glucagon‐like peptide‐1 secretion through membrane depolarization is caused by the closure of ATP‐sensitive potassium channels ...
Yuri Osuga   +6 more
wiley   +1 more source

An amalgamation of solid phase peptide synthesis and ribosomal peptide synthesis [PDF]

open access: yesPeptide Science, 2008
AbstractExpressed protein ligation (EPL) is a protein semisynthesis technique that allows the site‐specific introduction of unnatural amino acids and biophysical probes into proteins. In the present study, we illustrate the utility of the approach through the generation of two semisynthetic proteins bearing spectroscopic probes. Dihydrofolate reductase
Baldissera Giovani   +3 more
openaire   +3 more sources

The multiple roles of the NlpC_P60 peptidase family in mycobacteria – an underexplored target for antimicrobial drug discovery

open access: yesFEBS Letters, EarlyView.
The NlpC_P60 superfamily of peptidases is recognised by its key role in bacterial cell wall homeostasis. Recently, studies have also described the involvement of NlpC_P60‐like enzymes in bacterial competitive mechanisms and pathogenesis across several lineages.
Catharina dos Santos Silva   +1 more
wiley   +1 more source

Refining the NaV1.7 pharmacophore of a class of venom‐derived peptide inhibitors via a combination of in silico screening and rational engineering

open access: yesFEBS Letters, EarlyView.
Venom peptides have shown promise in treating pain. Our study uses computer screening to identify a peptide that targets a sodium channel (NaV1.7) linked to chronic pain. We produced the peptide in the laboratory and refined its design, advancing the search for innovative pain therapies.
Gagan Sharma   +8 more
wiley   +1 more source

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