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Chemical biology is the study of the chemicals and chemical reactions involved in biological processes, incorporating the disciplines of bioorganic chemistry, biochemistry, cell biology and pharmacology. Chemicals – including natural small molecules, such as lipids, carbohydrates and metals, or non-natural probe or drug molecules – are used to gain insight into biological problems at a mechanistic level.
Ferroptosis, a cell death mechanism induced by lipid peroxidation, is pivotal in tumor suppression. A recent study shows that tumor repopulating cells evade ferroptosis and develop resistance to therapy via subverting a lipid metabolism enzyme.
The Chilean soapbark tree is the source of QS-21 — a valuable but hard-to-obtain vaccine additive. Yeast strains engineered to express all components of the QS-21 biosynthetic pathway provide an alternative route to this therapeutic.
A hallucinogenic compound secreted by toads has served as a springboard for research into the therapeutic benefits of psychedelics. The findings suggest that these compounds exert antidepressant effects in part by binding an under-appreciated target in the brain.
A newly developed maternally selective nanobody antagonist against the angiotensin II type I receptor stabilizes the receptor in a hybrid conformation and simultaneously binds with specific small-molecule antagonists.
Understanding how membrane-bound styrene oxide isomerase (SOI) catalyses the Meinwald rearrangement—a Lewis-acid-catalysed isomerization of an epoxide to a carbonyl compound—can be useful as SOI represents a green alternative to chemical synthesis. Here, the catalytic mechanism of SOI was determined using cryo-EM, EPR spectroscopy, mutagenesis, functional assays and docking experiments.
PXR is a receptor activated by diverse compounds that triggers detoxification pathways in the cell, and blocking this receptor may increase the effectiveness of certain drugs. Here, the authors present the structural basis of PXR inhibition.
Ferroptosis, a cell death mechanism induced by lipid peroxidation, is pivotal in tumor suppression. A recent study shows that tumor repopulating cells evade ferroptosis and develop resistance to therapy via subverting a lipid metabolism enzyme.
The Chilean soapbark tree is the source of QS-21 — a valuable but hard-to-obtain vaccine additive. Yeast strains engineered to express all components of the QS-21 biosynthetic pathway provide an alternative route to this therapeutic.
A hallucinogenic compound secreted by toads has served as a springboard for research into the therapeutic benefits of psychedelics. The findings suggest that these compounds exert antidepressant effects in part by binding an under-appreciated target in the brain.
An artificial metalloenzyme based on streptavidin with a biotinylated Rh(III) cofactor provides enantioselective access to various isoindolones with different functional groups. Rational engineering of the streptavidin scaffold reverses the stereoselectivity, offering an enantiodivergent method for the synthesis of isoindolones.