Biochemistry explores the intricate chemical processes that power life, bridging the gap between biology and chemistry to explain how molecules like proteins and DNA function within living cells. This field reveals the molecular machinery behind everything from metabolism to genetic inheritance, turning complex biological mysteries into understandable chemical interactions.

On Gist.Science, we bring you the freshest discoveries in this dynamic area directly from bioRxiv. Our team processes every new preprint uploaded to the server, transforming dense academic findings into both clear, plain-language overviews and detailed technical summaries. This dual approach ensures that whether you are a curious beginner or a seasoned researcher, you can grasp the significance of these breakthroughs immediately.

Below are the latest papers in biochemistry, complete with our curated summaries to help you navigate the cutting edge of molecular science.

⚗️ biochemistry

Structural basis of Mycobacterium Fluoroquinolone Resistance Protein D (MfpD), a versatile pathogeny protein from the mfp conservon of Mycobacterium tuberculosis

This study elucidates the structural and biophysical basis of *Mycobacterium tuberculosis* MfpD, revealing its dimeric Roadblock/LC7-like fold and proposing a noncanonical Switch I-dependent mechanism by which it regulates MfpB GTP hydrolysis to contribute to fluoroquinolone resistance and pathogenesis.

Gedeon, A., Micaletto, M., Megrian, D., Leroy, E. C., Barbier, E., Raynal, B., Haouz, A., Alzari, P. M., Mayer, C., Petr (…)2026-03-18
⚗️ biochemistry

High resolution interaction surface mapping by PRISMA reveals novel ARID1A interactions

This study utilizes the PRISMA technique combined with quantitative mass spectrometry to map high-resolution interaction surfaces of the cancer-associated protein ARID1A, successfully recapitulating known bindings while identifying novel interactors like TOX4, SIN3A, CDK2, and CCNA2, and revealing a new regulatory mechanism involving CDK2 phosphorylation that impacts cell proliferation.

Pardo Calvo, M., Marcozzi, C., Lane, K. A., Sialana, F., Shcherbakova, L., Kozik, Z., Wan, M., Ye, F., Alfieri, C., Down (…)2026-03-18
⚗️ biochemistry

Molecular basis of collagen triple helix recognition by VWF A-like domain 2 of collagen VII: Implications for interlaced anchoring fibril formation

This study elucidates the molecular mechanism by which the von Willebrand factor A-like domain 2 of collagen VII recognizes a Met-Gly-{Phi} motif on fibrillar collagens through specific hydrophobic interactions, thereby facilitating the transient recruitment of collagen I and III into interlaced anchoring fibrils essential for dermal-epidermal stability.

Hashimoto, M., Oki, H., Kawahara, K., Fujii, K. K., Koide, T.2026-03-18
⚗️ biochemistry

Targeting CBL ubiquitin ligase activation to downregulate tyrosine kinase signalling

This study demonstrates that engineering a CBL mutant to mimic SLAP2-mediated activation enhances EGFR ubiquitination and degradation, thereby attenuating tyrosine kinase signaling, and validates a small-molecule screening approach to pharmacologically target this mechanism for therapeutic downregulation of tyrosine kinase pathways.

Tench, A. J., Martin, C. E., Simpson, C. D., Wybenga-Groot, L., Ly, D., Fladd, C., Elgie, M., Ahmed, S. F., Belizaire, R (…)2026-03-18
⚗️ biochemistry

Exploration of the structural and functional diversity in the metamorphic RfaH subfamily

This study utilizes AlphaFold2 predictions and experimental validation to identify a distinct clade of constitutively active, monomorphic RfaH homologs associated with virulence operons, thereby supporting a stepwise evolutionary model where RfaH specialized from an active NusG-like ancestor into an autoinhibited fold-switching regulator.

Tabilo-Agurto, C., Gonzalez-Bustos, B., Reyes, J., Wang, B., Palomera, D., Del Rio-Pinilla, V., Neira-Mahuzier, C., Vera (…)2026-03-18
⚗️ biochemistry

PEPTERGENT: A Peptide-Based Method for Detergent-Free Extraction and Purification of Membrane Proteins and Membrane Proteomes

This paper introduces Peptergent, a novel class of amphipathic peptides that enable the detergent-free extraction and purification of membrane proteins into stable, water-soluble assemblies, thereby overcoming traditional detergent limitations and facilitating direct structural and mass spectrometry analysis for improved proteomic coverage and drug screening.

Antony, F., Bhattacharya, A., Duong van Hoa, F.2026-03-18
⚗️ biochemistry

FLEX: A heparin-binding fusion partner engineered from fibroblast growth factor 1 to enhance protein expression, solubility and purity

The paper introduces FLEX, a compact, engineered fusion tag derived from fibroblast growth factor 1 that significantly enhances the expression, solubility, and high-stringency purification of challenging recombinant proteins across both bacterial and mammalian systems.

Mistry, R., Harris, J. A., Byrne, D. P., Morris, R., Li, Y., Theron, C. W., Kaye, S. B., Fernig, D. G., Foulkes, D. M.2026-03-18
⚗️ biochemistry

Potential of Korean Forest Tree Seed Extracts as Multifunctional Bioresources: Evaluation of Antioxidant, Anti-inflammatory, Whitening, and Anticancer Activities

This study demonstrates that seed extracts from seven economically important Korean forest tree species exhibit diverse, species-specific antioxidant, anti-inflammatory, whitening, and anticancer activities, highlighting their potential as sustainable multifunctional bioresources derived from existing afforestation programs.

Lee, H., Park, K., Jang, B.-K., Kwon, Y.-R., Cho, J.-S.2026-03-17
⚗️ biochemistry

Functional impact of PCSK9 variants on LDL uptake in a knockout hepatic model

This study establishes a CRISPR/Cas9-generated PCSK9 knockout HepG2 cell line as a rigorous high-resolution platform for quantitatively assessing the functional impact of clinically relevant PCSK9 variants on LDL uptake, revealing significant phenotypic heterogeneity and providing a mechanistic framework to bridge genetic discovery with precision lipid-lowering strategies.

Li, H., Liu, H., Xu, W., Zeng, Y., Huang, P., Guo, J., Cai, B., Chen, Y., Lin, Y., Zhang, C.2026-03-17