Discover, rate, and discuss biology preprints.
363,000+ bioRxiv and medRxiv preprints, including those later published in peer-reviewed journals, across 26 biological disciplines.
Recent preprints
- BiochemistrybioRxivPreprintDOI 10.64898/2026.07.17.738834
- BiochemistryNature CommunicationsPeer-reviewed
β-arrestin recruitment facilitates a direct association with G proteins
Claudia Y. Lee, Jeffrey S. Smith, Taylor Kohlmann…·Sudarshan Rajagopal
This study shows that G proteins and β-arrestins can directly interact, with Gi family members differing in their association with β-arrestin, and this selectivity is located in the alpha helical domain of Gi.
DOI 10.1038/s41467-026-74944-7 - BiochemistryNature CommunicationsPeer-reviewed
Internalized Components of Membrane Attack Complexes Disrupt Proteostasis and Acquire Alarmin-Like Properties
宋贵玉, Zihan Ma, Matthew Fan…·Dan Jane‐wit
This study shows that C9, a component of membrane attack complexes, forms non-cytolytic intracellular aggregates that promote inflammation and EC activation through aggrephagy and NF-κB activation.
2 citations - BiochemistrybioRxivPreprint
Chaperoning through time - defining DNAJA2 co-chaperone client selectivity via pulse-SILAC and BioID.
Shriya Kamat, Gaetano Calabrese, Vanessa Emnacen‐Pankhurst…·Thibault Mayor
This study defines DNAJA2 co-chaperone client selectivity using pulse-SILAC and BioID to reveal distinct protein pools associated with DNAJA2 based on structural and physicochemical properties.
DOI 10.64898/2026.07.16.739051 - BiochemistrybioRxivPreprint
Absolute quantitative proteomics guides patient-stratified drug repurposing in clear cell and papillary renal cell carcinoma.
André Q. Figueiredo, Inês F. Domingos, Carlos Lodeiro…·José Luís Capelo
This paper uses absolute quantitative proteomics to identify patient-specific drug repurposing strategies for clear cell and papillary renal cell carcinoma.
DOI 10.64898/2026.07.17.738718 - BiochemistrybioRxivPreprint
Total Biosynthesis of Pseudomonas aeruginosa-Derived Azabicyclocarbamates Identifies Distinct Dehydrating Condensation Family Proteins
Xiaohan Liu, Soumaya Najah, Andrea Calderari…·Yanyan Li
The paper identifies a new family of dehydrating condensation domain proteins involved in the biosynthesis of azabicyclocarbamates in Pseudomonas aeruginosa.
DOI 10.64898/2026.07.17.738954 - BiochemistryNucleic Acids ResearchPeer-reviewed
Pol γ possesses separate metal binding sites for polymerase and strand displacement functions
Noe Baruch‐Torres, Joon Park, Josué Daniel Mora-Garduño…·Yuhui Whitney Yin
This paper identifies separate metal-binding sites in Pol γ that regulate its DNA synthesis and strand displacement activities, revealing structural and biochemical mechanisms for mitochondrial DNA replication.
3 citationstop 3% - BiochemistryNature CommunicationsPeer-reviewed
ZnF-UBP domains regulate deubiquitinase activity by relieving ubiquitin product inhibition
Jack A Alexandrovics, Rashmi Agrata, Jan André Hane…·David Komander
The paper investigates ZnF-UBP domains in USP DUBs, showing they relieve product inhibition by facilitating Ub release, thereby regulating enzyme activity.
1 citation - BiochemistryJournal of the American Chemical SocietyPeer-reviewed
Influence of Primary Coordination Sphere on Anion Rebound Selectivity in Nonheme Fe Enzyme-Catalyzed C(sp3)-H Functionalization: A Comparative Experimental and Computational Study of EgtB and ACCO
Liu-Peng Zhao, Rui Guo, Binh Khanh Mai…·Yang Yang
This paper compares experimental and computational studies of EgtB and ACCO to understand how their coordination sphere affects anion rebound selectivity in nonheme Fe enzyme-catalyzed C(sp3)-H functionalization.
- BiochemistrybioRxivPreprint
VDAC2 stabilizes a membrane-inserted, primed intermediate of BAX activation
Varun Ravishankar, Laidy M. Alvero-González, Agathe Hubert…·Lucie A. Bergdoll
This study identifies VDAC2 as a regulator of BAX activation by stabilizing a primed, membrane-inserted intermediate in the BAX activation pathway.
DOI 10.64898/2026.07.13.738215 - BiochemistryNucleic Acids ResearchPeer-reviewed
Molecular basis of UV lesion binding and repair inhibition by ETS-family transcription factors
Smitha Sivapragasam, James Ross Terrell, Arjan van der Vaart…·Gregory M.K. Poon
This study investigates how ETS-family transcription factors bind to UV-damaged DNA and inhibit repair, revealing structural and dynamic differences that explain mutation hotspots in melanoma.
DOI 10.1093/nar/gkag711 - BiochemistrybioRxivPreprint
Multivalent Tau-Fyn interactions cooperatively arrest postsynaptic density condensate dynamics
Zheng Shen, Anne Bremer, Daxiao Sun…·Markus Zweckstetter
This study investigates how Tau and Fyn interact to regulate postsynaptic density condensate dynamics, showing that their multivalent interactions cooperatively arrest condensate components.
DOI 10.64898/2026.07.16.739052 - BiochemistrybioRxivPreprint
Integrated Interactomics Reveals Novel Protein Associations: The FOXA1-PBX1 Complex as a Case Study
Zhi Chen, István Szepesi-Nagy, Qingyue Zhang…·Michele Pagano
The paper integrates multiple affinity purification strategies to uncover novel protein interactions, validating the FOXA1-PBX1 complex as a regulatory node in estrogen receptor transcription.
DOI 10.64898/2026.07.16.738938 - BiochemistrybioRxivPreprint
Expanding the palette of trehalose-based fluorophores for live mycobacterial detection
Adriann Brodeth, Reena Dosanjh, L. Schwartz…·Mireille Kamariza
This paper develops two new trehalose-based fluorophores for detecting live mycobacteria, showing improved spectral range and drug susceptibility reporting.
DOI 10.64898/2026.07.16.737568 - BiochemistryBiochimica et Biophysica Acta (BBA) - BioenergeticsPeer-reviewed
Na+-translocating oxaloacetate decarboxylase from Vibrio cholerae: the functional tautomeric form of the substrate and the proton pathways in catalysis
Yulia V. Bertsova, Alexander D Kvartalov, Marina V. Serebryakova…·Alexander V. Bogachev
This study identifies the keto form of oxaloacetate as the substrate for Vibrio cholerae decarboxylase and elucidates the proton transport mechanism during catalysis.
DOI 10.1016/j.bbabio.2026.149600 - BiochemistryNature Structural & Molecular BiologyPeer-reviewed
Conformational plasticity of human acid-sensing ion channel 1a
James Cahill, Kimberly A. Hartfield, Stephanie Andrea Heusser…·Isabelle Baconguis
This study presents cryo-EM structures of human ASIC1a across different pH levels and conditions, revealing conformational changes linked to channel function.
- BiochemistrybioRxivPreprint
Direct interactions of CEACAM1 and CD36 with micellar LPS and each other
Weidong Hi, Patty W. Wong, Supriyo Battacharya…·John E. Shively
This study investigates the direct interactions of CEACAM1 and CD36 with micellar LPS and each other, revealing cooperative binding and implications for innate immunity and lipid metabolism.
DOI 10.64898/2026.02.01.703119 - BiochemistrybioRxivPreprint
Substrate biasing in UCHL5 proteoforms
Rishi S. Patel, Nipuni M. Pannala, Chih-Hsuan Lai…·Chittaranjan Das
This study identifies substrate biasing in UCHL5 proteoforms, showing N-terminal ubiquitination activates the enzyme toward monoubiquitin substrates and regulates debranching activity.
DOI 10.64898/2026.07.16.738907 - BiochemistrybioRxivPreprint
Promoter architecture diversifies ParR-dependent transcription in Pseudomonas aeruginosa
Z G Zhu, Ninglin Zhao, Yingjie Song…·Rui Bao
This study shows how promoter architecture in Pseudomonas aeruginosa determines different transcriptional outputs from the same ParR phosphorylation signal.
DOI 10.64898/2026.07.15.738673 - BiochemistryNature CommunicationsPeer-reviewed
Reconstitution of Ras-PI3Kγ membrane communication and feedback using light-induced signaling inputs
Sophia Doerr, Andres Olavarrieta Colasurdo, Scott D. Hansen
This study reconstitutes Ras-PI3Kγ membrane communication and feedback using light-induced signaling inputs, revealing how feedback and diffusion shape spatiotemporal signaling dynamics.
DOI 10.1038/s41467-026-75652-y