Characterizing TDP-43307–319 Oligomeric Assembly: Mechanistic and Structural Implications Involved in the Etiology of Amyotrophic Lateral Sclerosis

2019 / ACS Chemical Neuroscience

Aggregation of TAR DNA-binding protein of 43 kDa (TDP-43) is a salient feature of amyotrophic lateral sclerosis (ALS), a debilitating… Continue reading Characterizing TDP-43307–319 Oligomeric Assembly: Mechanistic and Structural Implications Involved in the Etiology of Amyotrophic Lateral Sclerosis

Heather Haffner

Structural and functional characterization of a novel cold-active S-formylglutathione hydrolase (SfSFGH) homolog from Shewanella frigidimarina, a psychrophilic bacterium

2019 / Microbial Cell Factories

S-Formylglutathione is hydrolyzed to glutathione and formate by an S-formylglutathione hydrolase (SFGH) (3.1.2.12). This thiol esterase belongs to the esterase… Continue reading Structural and functional characterization of a novel cold-active S-formylglutathione hydrolase (SfSFGH) homolog from Shewanella frigidimarina, a psychrophilic bacterium

Heather Haffner

Enzymatic Synthesis and Stereocomplex Formation of Chiral Polyester Containing Long-Chain Aliphatic Alcohol Backbone

2019 / Biomacromolecules

Herein we demonstrated a novel lipase-catalyzed synthesis of isotactic D-/L-poly(aspartate-octanediol) ester containing long chain alcohols backbone and discovered their stereocomplex feature… Continue reading Enzymatic Synthesis and Stereocomplex Formation of Chiral Polyester Containing Long-Chain Aliphatic Alcohol Backbone

Heather Haffner

Mechanistic Understanding of the Phosphorylation-Induced Conformational Rigidity at the AMPA Receptor C-terminal Domain

2019 / ACS Omega

Phosphorylation at the intracellular C-terminal domain (CTD) of α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors induces conformational rigidity. Such intracellular alterations to the… Continue reading Mechanistic Understanding of the Phosphorylation-Induced Conformational Rigidity at the AMPA Receptor C-terminal Domain

Heather Haffner

The Hunt for the Closed Conformation of the Fruit‐Ripening Enzyme 1‐Aminocyclopropane‐1‐carboxylic Oxidase: A Combined Electron Paramagnetic Resonance and Molecular Dynamics Study

2019 / Chemistry A European Journal

1‐Aminocyclopropane‐1‐carboxylic oxidase (ACCO) is a non‐heme iron(II)‐containing enzyme involved in the biosynthesis of the phytohormone ethylene, which regulates fruit ripening… Continue reading The Hunt for the Closed Conformation of the Fruit‐Ripening Enzyme 1‐Aminocyclopropane‐1‐carboxylic Oxidase: A Combined Electron Paramagnetic Resonance and Molecular Dynamics Study

Heather Haffner

Molecular recognition of 3 + 1 hybrid human telomeric G-quadruplex DNA d-[AGGG(TTAGGG)3] by anticancer drugs epirubicin and adriamycin leads to thermal stabilization

2019 / International Journal of Biological Macromolecules

Recent reports suggest influence of anti-cancer anthracyclines on telomere dysfunction and their possible interaction with G-quadruplex (G4) DNA as an… Continue reading Molecular recognition of 3 + 1 hybrid human telomeric G-quadruplex DNA d-[AGGG(TTAGGG)3] by anticancer drugs epirubicin and adriamycin leads to thermal stabilization

Heather Haffner

Homotrimerization Approach in the Design of Thrombospondin-1 Mimetic Peptides with Improved Potency in Triggering Regulated Cell Death of Cancer Cells

2019 / Journal of Medicinal Chemistry

In order to optimize the potency of the first serum-stable peptide agonist of CD47 (PKHB1) in triggering regulated cell death… Continue reading Homotrimerization Approach in the Design of Thrombospondin-1 Mimetic Peptides with Improved Potency in Triggering Regulated Cell Death of Cancer Cells

Heather Haffner

Molecular level insight into the counteraction of trehalose on the activity as well as denaturation of lysozyme induced by guanidinium chloride

2020 / Chemical Physics

The effect of trehalose on the activity and structural change of lysozyme induced by the chemical denaturant guanidinium chloride (GdmCl)… Continue reading Molecular level insight into the counteraction of trehalose on the activity as well as denaturation of lysozyme induced by guanidinium chloride

Heather Haffner

Vernodalidimer L, a sesquiterpene lactone dimer from Vernonia extensa and anti-tumor effects of vernodalin, vernolepin, and vernolide on HepG2 liver cancer cells

2019 / Bioorganic Chemistry

Vernonia extensa, known as “Phim Phai Lin” in Thai, is distributed in most regions of Thailand. The plant has been… Continue reading Vernodalidimer L, a sesquiterpene lactone dimer from Vernonia extensa and anti-tumor effects of vernodalin, vernolepin, and vernolide on HepG2 liver cancer cells

Heather Haffner

Cleavage and transformation inhibition of extracellular antibiotic resistance genes by graphene oxides with different lateral sizes

2019 / Science of The Total Environment

Due to excessive consumption of antibiotics, antibiotic resistance genes (ARGs) become a ubiquitous pollutant in aquatic environments. Graphene oxide (GO),… Continue reading Cleavage and transformation inhibition of extracellular antibiotic resistance genes by graphene oxides with different lateral sizes

Heather Haffner

Caryophyllene sesquiterpenes, chromones and 10-membered macrolides from the marine-derived fungus Pseudopestalotiopsis sp. PSU-AMF45

2019 / Tetrahedron

Three new caryophyllene sesquiterpenes, pestalotiopsins I–K, one new chromone, pseudopestalone, and one new 10-membered macrolide, decarestrictine Q, were isolated from… Continue reading Caryophyllene sesquiterpenes, chromones and 10-membered macrolides from the marine-derived fungus Pseudopestalotiopsis sp. PSU-AMF45

Heather Haffner