Analytically pure proteins are indispensable for diverse applications, including therapeutics. Here, we report a methodology where a single amino acid, glycine, enables metal-free protein purification. This robust platform is enabled by a Gly-tag resin for site-specific capture, enrichment, and release through chemically triggered C-C bond dissociation by resonance-assisted electron density polarization.
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http://dx.doi.org/10.1039/d0sc01153c | DOI Listing |
Acc Chem Res
January 2025
Molecular Sensing and Imaging Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
ConspectusIons are the crucial signaling components for living organisms. In cells, their transportation across pore-forming membrane proteins is vital for regulating physiological functions, such as generating ionic current signals in response to target molecule recognition. This ion transport is affected by confined interactions and local environments within the protein pore.
View Article and Find Full Text PDFJ Chem Inf Model
January 2025
Department of Chemistry, Faculty of Science, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada.
Tau is a microtubule (MT)-associated protein that binds to and stabilizes the MTs of neurons. Due to its intrinsically disordered nature, it undergoes several post-translational modifications (PTMs) that are intricately linked to both the physiological and pathophysiological roles of Tau. Prior research has shown phosphorylation and O-GlcNAcylation to have contrasting effects on Tau aggregation; however, the precise molecular mechanisms and potential synergistic effects of these modifications remain elusive.
View Article and Find Full Text PDFBMC Genomics
January 2025
State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing, 100193, China.
Background: Sheep horns play a critical role in the survival and reproduction of sheep. Research on sheep horns not only aids in comprehending their biological roles but is also vital for developing hornless breeds. Although previous studies have suggested that KLK7 may be associated with keratin growth, there are few studies that have focused on the role of KLK7 in sheep horns.
View Article and Find Full Text PDFSci Rep
January 2025
ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India.
The mutant waxy allele (wx1) is responsible for increased amylopectin in maize starch, with a wide range of food and industrial applications. The amino acid profile of waxy maize resembles normal maize, making it particularly deficient in lysine and tryptophan. Therefore, the present study explored the combined effects of genes governing carbohydrate and protein composition on nutritional profile and kernel physical properties by crossing Quality Protein Maize (QPM) (o2o2/wx1wx1) and waxy (o2o2/wx1wx1) parents.
View Article and Find Full Text PDFJ Adv Res
January 2025
Proteomics and Metabolomics Unit, Basic Research Department, Children's Cancer Hospital, 57357 Cairo, (CCHE-57357), Egypt; Department of Physiology, Faculty of Veterinary Medicine, Suez Canal University, 41522 Ismailia, Egypt. Electronic address:
Introduction: Gut microbiota alterations have been implicated in Autism Spectrum Disorder (ASD), yet the mechanisms linking these changes to ASD pathophysiology remain unclear.
Objectives: This study utilized a multi-omics approach to uncover mechanisms linking gut microbiota to ASD by examining microbial diversity, bacterial metaproteins, associated metabolic pathways and host proteome.
Methods: The gut microbiota of 30 children with severe ASD and 30 healthy controls was analyzed.
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