Circular Dichroism Archives

The conserved CDC motif in the yeast iron regulator Aft2 mediates iron–sulfur cluster exchange and protein–protein interactions with Grx3 and Bol2

2019 / Journal of Biological Inorganic Chemistry

The Saccharomyces cerevisiae transcriptional activator Aft1 and its paralog Aft2 respond to iron deficiency by upregulating expression of proteins required for iron… Continue reading The conserved CDC motif in the yeast iron regulator Aft2 mediates iron–sulfur cluster exchange and protein–protein interactions with Grx3 and Bol2

Photoresponsiveness of Anthracene-Based Supramolecular Polymers Regulated via a σ-Platinated 4,4-Difluoro-4-bora-3a,4a-diaza-s-indacene Photosensitizer

2019 / Inorganic Chemistry

Anthracene and its derivatives have attracted tremendous interest in recent years because of their intriguing photoresponsive behaviors. Our research group… Continue reading Photoresponsiveness of Anthracene-Based Supramolecular Polymers Regulated via a σ-Platinated 4,4-Difluoro-4-bora-3a,4a-diaza-s-indacene Photosensitizer

Polylactide-Based Chiral Porous Monolithic Materials Prepared Using the High Internal Phase Emulsion Template Method for Enantioselective Release

2019 / ACS Biomaterials Science & Engineering

Polylactide [PLA, two enantiomers: poly(l-lactide) (PLLA) and poly(d-lactide) (PDLA)] has been widely applied as biomaterials because of its biocompatibility, biodegradability,… Continue reading Polylactide-Based Chiral Porous Monolithic Materials Prepared Using the High Internal Phase Emulsion Template Method for Enantioselective Release

Stereoselective Cyclopropanation of Electron-Deficient Olefins with a Cofactor Redesigned Carbene Transferase Featuring Radical Reactivity

2019 / ACS Catalysis

Engineered myoglobins and other hemoproteins have recently emerged as promising catalysts for asymmetric olefin cyclopropanation reactions via carbene-transfer chemistry. Despite… Continue reading Stereoselective Cyclopropanation of Electron-Deficient Olefins with a Cofactor Redesigned Carbene Transferase Featuring Radical Reactivity

Anti-inflammatory flavonoids from root bark of Broussonetia papyrifera in LPS-stimulated RAW264.7 cells

2019 / Bioorganic Chemistry

Broussonetia papyrifera has been used as a diuretic, tonic and suppressor of edema. Bioactivity-guided fractionation and metabolite investigation of root bark… Continue reading Anti-inflammatory flavonoids from root bark of Broussonetia papyrifera in LPS-stimulated RAW264.7 cells

Mechanism of lipid metabolism regulation by soluble dietary fibre from micronized and non-micronized powders of lotus root nodes as revealed by their adsorption and activity inhibition of pancreatic lipase☆

2020 / Food Chemistry

Soluble dietary fibre (SDF) of micronized and non-micronized powders of lotus root nodes were investigated based on its adsorption and… Continue reading Mechanism of lipid metabolism regulation by soluble dietary fibre from micronized and non-micronized powders of lotus root nodes as revealed by their adsorption and activity inhibition of pancreatic lipase☆

In vitro tyrosinase, acetylcholinesterase, and HSA evaluation of dioxidovanadium (V) complexes: An experimental and theoretical approach

2019 / Journal of Inorganic Biochemistry

The present study reports the biological evaluation of vanadium(V) complexes (1–3) against three different proteins: tyrosinase, acetylcholinesterase (AChE), and human… Continue reading In vitro tyrosinase, acetylcholinesterase, and HSA evaluation of dioxidovanadium (V) complexes: An experimental and theoretical approach

Cholesterol alters the inhibitory efficiency of peptide-based membrane fusion inhibitor

2019 / Biochimica et Biophysica Acta (BBA) - Biomembranes

The membrane composition modulates membrane fusion by altering membrane physical properties and the structure, organization and dynamics of fusion proteins… Continue reading Cholesterol alters the inhibitory efficiency of peptide-based membrane fusion inhibitor

Optimization of recombinant maize CDKA;1 and CycD6;1 production in Escherichia coli by response surface methodology

2020 / Protein Expression and Purification

The complex formed by the cyclin-dependent kinase A (CDKA) and cyclin D is responsible for the G1-S transition in the… Continue reading Optimization of recombinant maize CDKA;1 and CycD6;1 production in Escherichia coli by response surface methodology

Sarcoehrenbergilides D–F: cytotoxic cembrene diterpenoids from the soft coral Sarcophyton ehrenbergi

2019 / RSC Advances

A solvent extract of the soft coral Sarcophyton ehrenbergi afforded cembrene diterpenoids, sarcoehrenbergilid D–F (1–3). Chemical structures were established by modern spectroscopic… Continue reading Sarcoehrenbergilides D–F: cytotoxic cembrene diterpenoids from the soft coral Sarcophyton ehrenbergi

Circular Dichroism Spectroscopy as a Powerful Tool for Unraveling Assembly of Chiral Nonluminescent Aggregates of Photosensitizer Molecules on Nanoparticle Surfaces

2019 / The Journal of Physical Chemistry A

Recent developments in nanoscience and nanotechnology significantly help improve the properties of traditional materials. A striking example of this is… Continue reading Circular Dichroism Spectroscopy as a Powerful Tool for Unraveling Assembly of Chiral Nonluminescent Aggregates of Photosensitizer Molecules on Nanoparticle Surfaces

DNA G-Quadruplexes Activate Heme for Robust Catalysis of Carbene Transfer Reactions

2019 / ACS Omega

Guanine-rich single-stranded DNAs and RNAs that fold into G-quadruplexes (GQs) are known to complex tightly with FeII-heme and FeIII-heme (hemin),… Continue reading DNA G-Quadruplexes Activate Heme for Robust Catalysis of Carbene Transfer Reactions

Structural conformation and self‐assembly process of p31‐43 gliadin peptide in aqueous solution. Implications for celiac disease

2019 / The FEBS Journal

Celiac Disease (CeD) is a highly prevalent chronic immune‐mediated enteropathy developed in genetically predisposed individuals after ingestion of a group… Continue reading Structural conformation and self‐assembly process of p31‐43 gliadin peptide in aqueous solution. Implications for celiac disease

Amphiphilic Endomorphin-1 Derivative Functions as Self-assembling Nanomedicine for Effective Brain Delivery.

2019 / Chemical and Pharmaceutical Bulletin

Endomorphin-1 (Tyr-Pro-Trp-Phe-NH2, EM-1), an endogenous μ-opioid receptor ligand with strong antinociceptive activity, is not in clinical use because of its… Continue reading Amphiphilic Endomorphin-1 Derivative Functions as Self-assembling Nanomedicine for Effective Brain Delivery.

Orientation of Chiral Schiff Base Metal Complexes Involving Azo-Groups for Induced CD on Gold Nanoparticles by Polarized UV Light Irradiation

2019 / symmetry

In this study, we report the synthesis, characterization, and chiroptical properties of azo-group-containing chiral salen type Schiff base Ni(II), Cu(II),… Continue reading Orientation of Chiral Schiff Base Metal Complexes Involving Azo-Groups for Induced CD on Gold Nanoparticles by Polarized UV Light Irradiation

Asymmetric catalysis mediated by a mirror symmetry-broken helical nanoribbon

2019 / Nature Communications

Although chirality has been recognized as an essential entity for life, it still remains a big mystery how the homochirality… Continue reading Asymmetric catalysis mediated by a mirror symmetry-broken helical nanoribbon

Structural and functional consequences of replacement of His403 with Arg near the catalytic site of Anoxybacillus flavithermus cyclomaltodextrinase

2019 / Enzyme and Microbial Technology

The hydrolytic activity of a thermophilic cyclomaltodextrinase (CMD) from Anoxybacillus flavithermus ZNU-NGA and a representative single mutant were investigated against soluble substrates… Continue reading Structural and functional consequences of replacement of His403 with Arg near the catalytic site of Anoxybacillus flavithermus cyclomaltodextrinase

Dinuclear lanthanoid(III) dithiocarbamato complexes bridged by (E)-N-benzylidenepicolinohydrazonate: Syntheses, crystal structures and spectroscopic properties

2019 / Inorganica Chimica Acta

(E)-N-Benzylidenepicolinohydrazide (Hbphz) was used to synthesize a series of hydrazonato-bridged homodinuclear LnIII2 dithiocarbamato (RR′dtc−) complexes of the form [{Ln(RR′ dtc)2}2(µ-bphz)2] {Ln = La,… Continue reading Dinuclear lanthanoid(III) dithiocarbamato complexes bridged by (E)-N-benzylidenepicolinohydrazonate: Syntheses, crystal structures and spectroscopic properties

Complete NMR assignment and absolute configuration of k4610422, a norditerpenoid inhibitor of testosterone-5α-reductase originally from Streptosporangium: rediscovery from a thermophilic Actinomadura

2019 / The Journal of Antibiotics

A norditerpenoid k4610422 (1), an inhibitor of testosterone-5α-reductase originally discovered from a mesophilic rare actinomycete of the genus Streptosporangium, was isolated… Continue reading Complete NMR assignment and absolute configuration of k4610422, a norditerpenoid inhibitor of testosterone-5α-reductase originally from Streptosporangium: rediscovery from a thermophilic Actinomadura

Potential complementation effects of two disease-associated mutations in tetrameric glutaryl-CoA dehydrogenase is due to inter subunit stability-activity counterbalance

2019 / Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

Glutaric Aciduria Type I (GA-I), is an autosomal recessive neurometabolic disease caused by mutations in the GCDH gene that encodes for glutaryl-CoA… Continue reading Potential complementation effects of two disease-associated mutations in tetrameric glutaryl-CoA dehydrogenase is due to inter subunit stability-activity counterbalance

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