News and Research Archive
Borrowed Machinery
Reflecting recent work in the Xu lab
N-myristoylation is a common posttranslational modification in which the enzyme N-myristoyltransferase, NMT, attaches a 14-carbon fatty acid to an N-terminal glycine residue. This lipid anchor governs...
Photoclick Bicycles
Reflecting recent work in the Lei lab
Bicyclic peptides offer exceptional promise for targeting protein-protein interactions, combining the conformational rigidity needed for high-affinity binding with improved metabolic stability. Yet their construction remains problematic. Conventional crosslinking...
Modeling Selectivity
Reflecting recent work in the Miller lab
Chiral sulfur compounds are gaining traction in drug discovery. Unlike their achiral counterparts, molecules with stereogenic sulfur centers often show improved potency and selectivity. IFM Therapeutics recently demonstrated this principle...
Masked Sugars
Reflecting recent work in the Dong lab
Chemical synthesis provides atomic-level control over glycoprotein structure, yet hydrophobic sequences often aggregate before chemists can purify or ligate them. This problem may intensify for some sequences bearing ...
Optimizing Peptide Switches
Reflecting recent work in the Maly lab
Chemically-controlled genetic tools allow researchers to switch cellular processes on or off with small molecules, offering precise temporal and dose-dependent control. While chemically-inducible dimerization systems are well established, their conceptual inverse, chemically-disrupted proximity, CDP, systems, remain less developed...
Gelatinase Targeting
Reflecting recent work in the Amitava lab
Antibiotic resistance in Staphylococcus aureus thrives on biofilm fortifications and membrane resilience, which blunt broad-spectrum drugs and damage commensal flora. A modular short peptide, Py-FGGK, answers that challenge by...
β-Hairpin Oligomers
Reflecting recent work in the Nowick lab
Researchers in the Nowick Group at the University of California Irvine, reveal how a designed β-hairpin peptide derived from amyloid-β, Aβ, crosses the boundary from disordered aggregation to a defined asymmetric hexamer–dodecamer assembly, illuminating molecular rules that shape Aβ oligomers in Alzheimer’s disease...
Taming Arginine
Reflecting recent work in the Raj lab
Selective modification of amino acid side chains has become a central strategy for expanding peptide function beyond the limits of ribosomal chemistry. Yet one residue remains notably resistant to this creativity. Arginine, which contributes nearly six percent of residues in proteins...
Iodo Quantification
Reflecting recent work in the Lilienkampf lab
In work published in ACS Chemical Biology, David J. Clarke, Annamaria Lilienkampf, and collaborators from the University of Edinburgh, introduce an iodo based labeling strategy that converts matrix assisted laser desorption...
TCR Peptide Design
Reflecting recent work in the Nourmohammad lab
In work published in PNAS, Visani and colleagues from the University of Washington, introduce a structure-aware machine learning approach that forecasts TCR–peptide–MHC interactions and designs new immunogenic peptides that trigger T cell responses...
Dilp Divergence
Reflecting recent work in the Bland lab
Insulin-like peptides orchestrate how animals apportion nutrients between storage and growth, yet distinct ligands may encode different cues even when signaling through a single receptor. In this study, researchers in Michelle Bland's Group at the University of Virginia, published in PNAS...
Affinity Landscapes
Reflecting recent work in the Bussemaker lab
A collaborative study from the Bussemaker and Shah Groups at Columbia University, published in Protein Science, establishes an integrated experimental–computational framework, built on massively diverse peptide-display libraries...
Alkyne Grasp
Reflecting recent work in the Fujishiro lab
ATP-grasp ligases offer a powerful route to diversify peptide structures, and BesA stands out for its ability to incorporate terminal alkyne groups into dipeptides with high specificity. By dissecting BesA’s catalytic mechanism and engineering substrate tolerance...
Peptide Portals
Reflecting recent work in the Otto lab
For decades, antimicrobial peptides, AMPs, have stood at the crossroads between innate immunity and drug discovery, yet their molecular diversity remains incompletely explored. Dickey, Otto, and collaborators...
Glycan–Metal Synergy
Reflecting recent work in the Koksch lab
Hydrogels, highly hydrated polymer networks, underpin both natural barriers such as mucus and numerous biomedical applications. Mucins, the glycoprotein constituents of mucus, achieve their viscoelasticity through peptide backbones enriched in proline, threonine...
Phosphine Rebridging
Reflecting recent work in the Hackenberger lab
Published in Angewandte Chemie International Editition, researchers from the Hackenberger Lab at the Humboldt-Universität in Berlin, present a powerful new class of phosphine oxide–based reagents for chemoselective protein modification...
Helical Hydrazides
Reflecting recent work in the Gellman lab
Seeking to understand the relative kinetic benefits of reactive unit connection and preorganization, researchers from the Gellman Lab at the University of Wisconsin–Madison investigated α/β-peptide foldamers containing a preorganized hydrazide diad...
Ephemeral Pores
Reflecting recent work in the Pastor lab
In a PNAS study, researchers from the Pastor group at the National Institutes of Health, NIH, and the Cotten group at Oregon State University present a combined experimental/simulation framework using the AMP piscidin-1...
Serine Switch
Reflecting recent work in the Diao lab
Published in the Journal of the American Chemical Society, work by first author Zhenyan Guo in the Diao Lab at the New York University, delivers a chemoselective solution to a long-standing gap: late-stage modification of native serine via carbon–carbon...
Mitochondrial Click
Reflecting recent work in the Wennemers lab
In work published in ACS Chemical Biology, Adeline Schmitt, under the guidance of Helma Wennemers at ETH Zürich, investigated rigid polyproline II, PPII, helical scaffolds containing guanidinium-proline, Gup, residues patterned with hydrophobic groups to tune amphipathicity and uptake...
Copper Clicks
Reflecting recent work in the Metanis lab
In a collaborative work between the Metanis and Shimon labs at the Hebrew University of Jerusalem, and the Wang group at the Xiamen University in China, published in the Journal of the American Chemical Society, a copper-mediated approach is introduced...
Photoregulated Catalysis
Reflecting recent work in the Bandyopadhyay lab
Precise external regulation of enzymatic activity remains a central goal in chemical biology, with wide-ranging implications for biotechnology, diagnostics, and medicine. Natural proteases govern countless biological processes, yet their lack of...
Lanthipeptide Modeling
Reflecting recent work in the Walker lab
Lanthipeptides, the thioether-crosslinked members of the RiPP family, are compelling antibiotic scaffolds. Yet, they have remained largely outside the reach of structure-based design. Standard modeling tools, for example, Rosetta...
Covalent Peptide Libraries
Reflecting recent work in the Bode lab
Covalent inhibitors provide potent and durable target engagement, with approved drugs such as ibrutinib and osimertinib validating the approach. These compounds exploit electrophilic warheads to irreversibly or reversibly engage nucleophilic residues, most often...
Spike Peptide Amyloids
Reflecting recent work in the Legleiter lab
SARS-CoV-2 spike protein fragments are known to form amyloid fibrils, but far less is understood about the prefibrillar states that emerge along the way, or how those intermediates interact with lipid membranes in ways that could drive toxicity. In a study published in Biochemistry, researchers in the Legleiter lab...
Engineered Lasso Peptides
Reflecting recent work in the Burk lab
A major barrier to durable responses with PD-1/PD-L1 checkpoint inhibitors is the activation of immunosuppressive TGF-β within the tumor microenvironment. This immunosuppression is driven in large part by the RGD-binding integrins αvβ6 and αvβ8, which are upregulated across many solid tumors. Direct systemic blockade of TGF-β has proven toxic...
Peptide Aggregation Blockers
Reflecting recent work in the Wright lab
The misfolding and aggregation of transthyretin, TTR, a serum protein responsible for transporting thyroxine and retinol binding protein, underlies a class of amyloid diseases that include TTR cardiomyopathy and polyneuropathy. In these disorders, the native tetrameric structure of TTR becomes destabilized...
HDAC-Mediated Lactylation
Reflecting recent work in the Goldberg lab
Lysine lactylation, Kla, has emerged as a post-translational modification, PTM, directly linking glycolytic metabolism to protein regulation. While earlier models invoked lactyl-CoA–dependent transfer or non-enzymatic reactions via lactoylglutathione, the enzymatic basis of Kla remained uncertain...
Targeted Conjugates
Reflecting recent work in the Zeglis lab
For two decades, immunoconjugates have been a mainstay of targeted oncology, from antibody–drug conjugates to radioimmunotherapy probes. The clinical challenge has never been the underlying concept, but rather the chemistry of conjugation. Conventional strategies, stochastic coupling...
Ultrafast Peptide Cyclization
Reflecting recent work in the Sun lab
Cyclic peptides occupy a privileged niche in chemical biology. Their constrained conformations reduce entropic penalties upon binding, impart proteolytic stability, and frequently enable access to protein–protein interaction surfaces that are inaccessible to small molecules...
Coagulation Trigger
Reflecting recent work in the Ruvo lab
Hemostasis begins with a handshake. When vascular damage exposes tissue factor, TF, to the bloodstream, factor VII, FVII, latches on, instantly engaging the extrinsic pathway and accelerating thrombin generation. Because TF is sequestered...
Cysteine Umpolung
Reflecting recent work in the Wang lab
A longstanding challenge in peptide chemistry has been the restricted reactivity of canonical amino acids, which limits late-stage functionalization strategies. Most side chains are inherently nucleophilic, and thus nearly all peptide modification...
Rewiring the Protein Backbone
Reflecting recent work in the Schepartz lab
Backbone editing offers a powerful way to expand protein function: by introducing β, γ, or δ linkages, researchers can strengthen folds against proteolysis, reshape ligand dynamics, and unlock new routes to modulate protein–protein interactions…
Barrier Crossing
Reflecting recent work in the Pires lab
Tuberculosis, TB, remains one of the most pressing global health threats, with more than ten million cases reported in 2022. Once thought to be in gradual decline, TB incidence has reversed course, fueled by the rise of multidrug-resistant, MDR, and extensively drug-resistant, XDR, strains. The causative...
Degrading Light
Reflecting recent work in the Lou lab
Targeted protein degradation has rapidly matured into a transformative drug discovery approach, offering ways to dismantle proteins once deemed undruggable. While classical proteolysis-targeting chimeras, PROTACs, exploit the ubiquitin–proteasome system...
Stapled Sheets
Reflecting recent work in the Del Valle lab
The stabilization of β-sheet structures has long been a challenge in peptide design, despite their central role in mediating protein–protein interactions, PPIs. While side-chain stapling is well-established for constraining α-helical, polyproline II, and loop conformations...
Allosteric Turns
Reflecting recent work in the Sampaio-Dias lab
Disorders of the central nervous system linked to dysregulation of dopamine D2 receptors — including depression, drug addiction, Parkinson’s disease, and movement disorders — remain challenging to treat with selectivity...
Peptide Galanin Binding
Reflecting recent work in the Patnaik lab
In a landmark study, published in ACS Chemical Biology, researchers from the Samarjit Patnaik group at the National Institutes of Health, report the development of a live-cell NanoBRET, Bioluminescence Resonance Energy Transfer, assay...
Protein Phosphorylation
Reflecting recent work in the Köhn lab
Professor Maja Köhn took the stage at the 29th American Peptide Symposium in San Diego, her presentation, "Targeting Phosphatases with Peptides and Phosphomimetics," offered a captivating look into one of the most challenging frontiers in molecular medicine...
Proline Scanning
Reflecting recent work in the Wu lab
Disulfide-rich peptides, DRPs, are renowned for their stability and therapeutic promise, yet their natural structures offer limited flexibility for evolution or functional adaptation. In an innovative and collaborative study, researchers...
Conformational Equilibrium
Reflecting recent work in the Serianni lab
The conformational behavior of alanine dipeptide, Ac-L-Ala-NHMe, 1, has long made it a model compound in molecular simulation studies. However, despite numerous investigations using molecular dynamics, MD, and quantum mechanical, QM, calculations, a rigorous...
Delivery of Peptide-LYTAC
Reflecting recent work in the Luan lab
While immune checkpoint blockade, ICB, therapies have transformed cancer immunotherapy, tumors such as melanoma frequently exploit the CD47-SIRPα axis to evade macrophage-mediated clearance. Antibody-based CD47 blockade, though...
Shaping Peptide Assemblies
Reflecting recent work in the Jiang lab
Peptides capable of folding into defined secondary structures serve as promising modular building blocks for supramolecular materials. However, conventional approaches to peptide-based self-assembly are often constrained by environmental...
Intracellular Targeting
Reflecting recent work in the Futaki lab
The delivery of biomacromolecules directly into the cytosol remains a central challenge in therapeutic peptide science. Coacervate-based systems offer a promising platform, yet many are hampered by instability in physiological conditions and diminished performance...
Rational Design
Reflecting recent work in the Gellman lab
The rational construction of stable hetero-oligomeric protein complexes with defined subunit composition is a central challenge in molecular design. In this study, published in the Journal of the American Chemical Society, researchers in the Gellman Lab...
Macrocyclic Peptide Antibiotics
Reflecting recent work in the van der Donk lab
Ribosomally synthesized and posttranslationally modified peptides, RiPPs, represent one of the most structurally diverse classes of natural products, yet many RiPP families remain biosynthetically uncharacterized...
Quorum Sensing Redux
Reflecting recent work in the Tal-Gan lab
Streptococcus constellatus, a member of the Streptococcus anginosus group, SAG, is an opportunistic pathogen commonly found in the human oral and gastrointestinal microbiota. While often commensal, it has increasingly been implicated in severe purulent infections, particularly in immunocompromised individuals. Despite its emerging clinical relevance...
Oxidative Peptide Coupling
Reflecting recent work in the Proulx lab
This study demonstrates that a key determinant of this reactivity is the choice of solvent. By shifting from aqueous buffer to a mixed organic solvent system, MeOH/DCE, the authors observed a pronounced shift in the oxidation pathway, favoring productive...
Potent Antifungal Lipopeptide
Reflecting recent work in the Süssmuth lab
In this study, researchers from the Süssmuth group at the Technische Universität Berlin, published in the Journal of the American Chemical Society, elucidated the structure of AFC-BC11 as an N-acyl tetrapeptide with a distinctive architecture. The molecule is...
Efficient siRNA Delivery
Reflecting recent work in the Anders lab
In this collaborative study, published in Bioconjugate Chemistry by researchers from the Dahlén group at Astra-Zeneca, Gothenburg, Sweden, and the Andaloussi team at the Karolinska Institutet, Stockholm, Sweden, the authors present...
Grafted Coiled Coils
Reflecting recent work in the Andrew J. lab
Protein–protein interactions, PPIs, are fundamental to cellular regulation, yet targeting them therapeutically remains challenging due to their extensive, shallow interfaces. Peptides offer an attractive solution, providing structural fidelity...
Conjugation Chemistry
Reflecting recent work in the Kwon lab
Traumatic brain injury, TBI, remains a profound and unresolved clinical challenge, responsible for long-term disability in both civilian and military populations. The lack of effective pharmacological interventions...
Quorum Sensing
Reflecting recent work in the Tal-Gan lab
Streptococcus cristatus, a commensal member of the oral microbiota and recently reclassified from Streptococcus oligofermentans, has emerged as a promising candidate in the pursuit of biotherapeutics targeting oral pathogens. A comprehensive...
Molecular Scaffolds
Reflecting recent work in the Craik lab
This comprehensive review from the labs of David Craik and Lara Malins at Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, at the University of Queensland, published in Biochemistry, highlights the powerful...
From Hydrogel to Crystal
Reflecting recent work in the Schneider lab
Published in the Journal of the American Chemical Society, researchers in the lab of Dr. Joel P. Schneider at NIH, have unveiled a groundbreaking molecular design strategy that shifts gel-forming peptides into the crystalline state...
Capturing the Uncatchable
Reflecting recent work in the Arora lab
In a major step forward, researchers in the Arora Group at the New York University, have now developed a rationally designed proteomimetic receptor capable of selectively trapping MYC in its biologically active conformation...
Ubiquitin Azapeptide Esters
Reflecting recent work in the Liu lab
Published as an ASAP article in the Journal of the American Chemical Society, researchers from the Wenshe Liu Lab at Texas A&M, currenly our "Lab of the Month," present the development...
Versatile Precursors
Reflecting recent work in the Mitchell lab
Cyclopropane-containing amino acids, prized for their conformational rigidity and stability, are of increasing interest in therapeutic peptide development and antimicrobial drug discovery. A recent study from Nicholas Mitchell’s group at the University of Nottingham...
Sequence Architecture
Reflecting recent work in the Woolfson lab
The Woolfson Lab continues to break new ground in de novo protein design with the successful creation of mixed-charge A3B3 heterohexameric α-helical barrels, αHBs, assembled from distinct acidic, A, and basic, B, peptide chains. Drawing on...
Dynamic Ion Channels
Reflecting recent work in the Niitsu lab
Membrane-spanning peptides that form ion-conductive channels remain a challenging frontier in de novo protein design. While strides have been made in creating water-soluble peptide assemblies, translating that precision to transmembrane systems...
Antimicrobial Peptide
Reflecting recent work in the D'Amelio lab
As antibiotic resistance surges worldwide, the search for effective new therapeutics has led scientists to a surprising source: the venom of Bungarus fasciatus, the banded krait. From this venom, researchers have isolated Cathelicidin-BF...
Protein Design
Reflecting recent work in the Tezcan lab
Isopeptide bonds, IPBs, — covalent linkages between the side chains of lysine and asparagine/glutamine or aspartate/glutamate — are remarkable for their chemical resilience and structural significance...
Arginine Carbonylation
Reflecting recent work in the Raj lab
The selective incorporation of post-translational modifications, PTMs, into proteins remains a key challenge in chemical biology, particularly for modifications like arginine carbonylation, which plays a crucial role...
Enlicitide Decanoate
Reflecting recent work in the Thaisrivongs lab
The total synthesis and process development of enlicitide decanoate, MK-0616, an orally bioavailable inhibitor of proprotein convertase subtilisin/kexin type 9, PCSK9, represents a major breakthrough in macrocyclic peptide...
Electrophilic Warheads
Reflecting recent work in the lab
Understanding how proteins interact with biological metabolites is crucial for deciphering biological processes and advancing therapeutic strategies. This study focuses on a specific class of metabolites—α,β-unsaturated carbonyls, particularly acrolein-derived...
Vesicle Inversion
Reflecting recent work in the Deming lab
Self-assembled polymeric vesicles that respond to biologically relevant stimuli have significant potential in drug delivery and synthetic biology. While many stimuli-responsive assemblies disassemble upon activation, invertible vesicles...
Selective Coupling
Reflecting recent work in the Suga lab
α,β-Dehydroalanine, ΔAla, is a highly reactive nonproteinogenic amino acid that serves as a versatile handle for modifying peptides, natural products, NPs, and proteins. While many ΔAla functionalization...
Vancomycin–Teixobactin
Reflecting recent work in the Nowick lab
Vancomycin, a cornerstone antibiotic for Gram-positive infections, faces diminishing efficacy due to the emergence of vancomycin-resistant Enterococci, VRE, and vancomycin-resistant...
Genome Mining
Reflecting recent work in the Agarwal lab
Brominated intermediates have long been favored in organic synthesis for their chemical versatility, particularly in transition-metal-assisted bond-forming reactions. The Agarwal and van der Donk study represents a significant leap...
Selective Cyclization
Reflecting recent work in the Liu lab
To address the limitations of current methods for peptide macrocyclization, which often rely on nonspecific small-molecule linkers...
Molecular Flasks
Reflecting recent work in the Woolfson lab
To address the formidable challenge of binding and orienting multiple small molecules for directed chemical reactions, researchers in the Woolfson and Oliver groups at the University of Bristol, published in...
Graspetides
Reflecting recent work in the Ding lab
Published in ACS Chemical Biology, researchers in the Ding Group at the University of Florida, reconstructed prunipeptin biosynthesis from Streptomyces coelicolor...
Mirror-Image mRNA
Reflecting recent work in the Payne lab
Chemokines are small proteins involved in recruiting leukocytes to sites of inflammation via interactions with specific cell surface receptors. CCL22 is a chemokine known to play a critical role in...
Cyclodepsipeptides
Reflecting recent work in the Del Valle lab
Members of the Del Valle Group at the University of Notre Dame, in collaboration with the Ebright Group at Rutgers, report in Organic letters, the synthesis of the antimicrobial cyclodepsipeptides...
Intracellular Antibodies
Reflecting recent work in the Futaki lab
Published in Bioconjugate Chemistry, researchers from Shiroh Futaki Group at the Kyoto University, prepared conjugates of the biocompatible polysaccharide pullulan with a cell membrane permeabilizing peptide...
Macrocyclic Peptide Ligands
Reflecting recent work in the Suga lab
Prenylation of peptides is widely observed in the secondary metabolites of diverse organisms, granting peptides unique chemical properties distinct from proteinogenic amino acids. Discovery of...
Dominant Rotor Method
Reflecting recent work in the Yudin lab
Helical secondary structures, namely α- and 310-helices, comprise >60% of all secondary structures observed at protein–protein interactions, PPIs, and are responsible for the mediation of many biological...
Antimicrobial Peptides
Reflecting recent work in the Malmsten lab
Published in Advanced Functional Materials, work by members of the Martin Malmsten group at the University of Lund, Sweden, explores the coating of photocatalytic nanoparticles with antimicrobial peptides...
Structure Transitions
Reflecting recent work in the Martin lab
Membrane–peptide interactions are key to the formation of helical intermediates in the early stages of amyloidogenesis. Aqueous solutions of 2,2,2-trifluoroethanol...
Infrared Scattering
Reflecting recent work in the Voigt lab
Natural melanin polymers, biosynthesized from free tyrosine, assemble into microstructures that interact with light, producing a wide range of photonic properties. These structures...
Solid Polymer Electrolytes
Reflecting recent work in the Evans lab
Ion transport is essential to energy storage, cellular signalling and desalination. Polymers have been explored for decades as solid-state electrolytes by either adding salt to polar polymers...
Self-Healable Composites
Reflecting recent work in the Pal lab
Crystalline materials exhibiting non-centrosymmetry and possessing substantial surface dipole moments play a critical role in piezoelectricity. Designing biocompatible self-assembled materials...
Virus Disinfection
Reflecting recent work in the Huang lab
Global pandemics caused by pathogenic viruses have highlighted the need to develop effective and sustainable materials to defend against these viruses. However, most commercial viral disinfection...
Bicyclic Helical Peptides
Reflecting recent work in the Grossmann lab
The inhibition of intracellular protein-protein interactions is challenging, in particular, when involved interfaces lack pronounced cavities. The transcriptional co-activator protein...
Peptide Permeation
Reflecting recent work in the Su lab
Macrocyclic peptides show promise in targeting high-value therapeutically relevant binding sites due to their high affinity and specificity. However, their clinical application...
Defining the Limits
Reflecting recent work in the Jongkees lab
Messenger RNA, mRNA, display is being increasingly adopted for peptide drug candidate discovery. While many conditions have been reported for the affinity enrichment step and in some cases...
Max Cell Penetration
Reflecting recent work in the Kritzer lab
In an article featured on the cover of ACS Chemical Biology, Nefeli Batistou from the Kritzer Lab at Tufts, describes techniques now being used to reveal differential penetration...
Peptide Receptors
Reflecting recent work in the Checco lab
Peptide–receptor interactions play critical roles in a wide variety of physiological processes. Methods to link bioactive peptides covalently to unmodified receptors...
Backbone Modification
Reflecting recent work in the Horne lab
Targeted protein backbone modification can recreate tertiary structures reminiscent of folds found in nature on artificial scaffolds with improved biostability...
Ephrin Receptors
Reflecting recent work in the Sawyer lab
Ephrin, Eph, receptors are the largest family of receptor tyrosine kinases. Interactions between Eph receptors and their membrane-bound ephrin protein ligands are...
Lasso Peptides
Reflecting recent work in the Hartrampf lab
As the chemical space of MccJ25 analogues accessible through purely biological methods is also limited, researchers in the Hartrampf Lab propose a hybrid approach...
CGRP-Responsive Receptor
Reflecting recent work in the Sexton lab
Inhibition of calcitonin gene-related peptide, CGRP, or its cognate CGRP receptor, CGRPR, has arisen as a major breakthrough in the treatment...
Proline Conformation
Reflecting recent work in the Zondlo lab
Using Dfp, researchers in the Zondlo lab at the University of Delaware, published in Biochemistry, discovered that the stable polyproline II helix, PPII...
Peptide Gels
Reflecting recent work in the Schneider lab
Researchers in the Schneider lab, published in Angewandte Chemie, Intl. Ed., discuss how peptide nucleic acids, PNAs, are employed in the design...
Peptide & Enzyme Catalysts
Reflecting recent work in the Wennemers lab
Enzymes and peptide catalysts consist of the same building blocks but require vastly different environments to operate best. Published in Angewandte...
Coiled Coils
Reflecting recent work in the Price lab
Coiled coils are one of most common protein quaternary structures and represent the best understood relationship between amino acid sequence and protein...
Network Pharmacology
Reflecting recent work in the Jin lab
Carapax Trionycis is a traditional Chinese medicine and it has been clear that oligo-peptides from Carapax Trionycis extract, CTP, are the main active substances...
Novel, Rational Drug Design
Reflecting recent work in the Deber lab
As an alternative approach to conventional antibiotics, members of the Charles Deber laboratory, published in Peptide Science, explore a novel...
Bicyclic Peptides
Reflecting recent work in the Nitsche lab
Bicyclic peptides have emerged as one of the driving forces within the constrained peptide family. Due to their unique pharmaceutical attributes...
Alzheimer’s Amyloid-β
Reflecting recent work in the Raskatov lab
Amyloid aggregation is a key feature of Alzheimer's disease, AD, and a primary target for past and present therapeutic efforts. Recent research is making it increasingly clear...
Finding Pulmonary Fibrosis
Reflecting recent work in the Raines lab
Idiopathic pulmonary fibrosis, IPF, is a disease of unknown etiology that is characterized by excessive deposition and abnormal remodeling of collagen...
α-Helical Peptides
Reflecting recent work from FOG Pharmaceuticals
Molecules that induce novel interactions between proteins hold great promise for the study of biological systems and the development of therapeutics, but their discovery...
Reversible Covalent Warheads
Reflecting recent work in the Gao lab
Falling in between traditional small molecules and antibodies in size, peptides are emerging as a privileged therapeutic modality, one that can harness...
Max Phosphorylation
Reflecting recent work in the Jbara lab
The chemical synthesis of site-specifically modified transcription factors, TFs, is a powerful method to investigate how post-translational modifications influence TF-DNA...
Mechanistic Studies of CyClick Chemistry
Reflecting recent work in the Raj and Houk labs
Macrocyclic peptides have become increasingly important in the pharmaceutical industry. In collaborative work between the groups of Kendall N. Houk and Monika Raj, published in...
Cytosolic Delivery of Functional Cargoes
Reflecting recent work in the Hackenberger lab
In research published in JACS, members of the Hackenberger Group, describe a powerful, simple, and highly effective strategy for the intracellular delivery...
SPAAC Reactions
Reflecting recent work in the Schneider lab
Joel P. Schneider, Yixin Xie, and Tania L. Lopez-Silva at the National Cancer Institute, report a new positively charged azidoamino acid for strain-promoted azide–alkyne cycloaddition...
Pargamicin A
Reflecting recent work in the Del Valle lab
Researchers in the Del Valle Group, published in Organic Letters, report the total synthesis and configurational assignment of pargamicin A, a highly oxidized nonribosomal peptide...
Glycan Biology
Reflecting recent work in the Imperiali lab
Glycan-binding proteins, GBPs, are widely used reagents for basic research and clinical applications. These reagents allow for the identification and manipulation of glycan determinants...
Anticancer Protein
Reflecting recent work in the Bagheri lab
Cancer is one of the leading causes of mortality in the world. Unfortunately, the present anticancer chemotherapeutics display high cytotoxicity...
Peptides and Proteins
Reflecting recent work in the Raines lab
Transforming growth factor-β (TGF-β) plays important roles in wound healing. The activity of TGF-β is initiated upon the binding of the growth factor...
PKC Disruptors
Reflecting recent work in the Kennedy lab
Protein Kinase C (PKC) is a member of the AGC subfamily of kinases and regulates a wide array of signaling pathways and physiological processes...
“Imprint-and-Report” DCLs
Reflecting recent work in the Waters lab
Sensor arrays using synthetic receptors have found great utility in analyte detection, resulting from their ability to distinguish analytes based on differential signals via...
Antibacterial Hydrogels
Reflecting recent work in the Schneider lab
Herein, it is demonstrated that a peptide derived from mussel foot protein-5, a key protein in mussel adhesion, displays antibacterial properties, a yet unreported...
Protein Interactions
Reflecting recent work in the Pikaard lab
In plants, transcription of selfish genetic elements such as transposons and DNA viruses is suppressed by RNA-directed DNA methylation...
Ion Channels
Reflecting recent work in the Woolfson lab
The design of peptides that assemble in membranes to form functional ion channels is challenging. Specifically, hydrophobic interactions must be...
B-cell Epitope
Reflecting recent work in the Kaumaya lab
Herein, researchers in the Kaumaya lab describe a novel PD-1 B-cell peptide epitope vaccine (amino acid 92–110; PD1-Vaxx) linked to a measles virus fusion peptide...
Protein Synthesis
Reflecting recent work in the Premdjee lab
Chemical protein synthesis is a powerful avenue for accessing homogeneously modified proteins, but access to large targets has proved challenging...
Peptide Libraries
Reflecting recent work in the Derda lab
Herein is described a divergent late-stage approach to generating macrocyclic peptide libraries with unnatural pharmacophores from readily available starting material...
Stapled Peptides
Reflecting recent work in the Han lab
Diabetes is characterized by pancreas dysfunction and is commonly associated with obesity. Hypoglycemic agents capable of improving β-cell function...
Protein-Protein Interactions
Reflecting recent work in the Pomerantz lab
Herein is reported the first application of protein-observed fluorine (PrOF) NMR to the tandem bromodomains of BRD4 and BRDT to quantify the selectivity of their...
Oxime Ligation
Reflecting recent work in the Burke lab
The current review will focus on the authors’ use of peptide ligation to optimize PPI antagonists directed against several targets...
Tyr-Lock Peptide
Reflecting recent work in the O'Keefe lab
High-throughput screening for inhibitors of TDP1 activity resulted in the discovery of a new class of knotted cyclic peptides...
Peptidomimetic Uptake
Reflecting recent work in the Arora lab
Researchers in the Arora Lab observed that the cellular uptake of peptides is critically determined by the cell line-specifically, they noted that peptides show better uptake...
Antimicrobial Synergy
Reflecting recent work in the Raines lab
Authors Chelcie Eller and Ron Raines find that human LL-37 and human RNase 1 can act synergistically to kill Gram-negative bacterial cells...
Frog-skin Peptides
Reflecting recent work in the Craik lab
In this study, the researchers investigated naturally occurring peptides derived from frog skin secretions for selectivity and activity toward melanocortin receptors...
Flow SPPS
Reflecting recent work in the Hartrampf lab
Flow‐based approaches to solid phase peptide synthesis (SPPS) have been pursued since the method's early days, with anticipated gains in...
Targeting Malaria
Reflecting recent work in the Kennedy lab
Herein is a review of ongoing research aimed at developing constrained peptides targeting protein-protein interactions pertinent to malaria pathogenesis.
Disrupt Ubiquitination
Reflecting recent work in the Walensky lab
The ubiquitin–proteasome system (UPS) is a highly regulated protein disposal process critical to cell survival. Inhibiting the pathway induces proteotoxic stress and can be an effective cancer treatment.
Peptide Hydrogels
Reflecting recent work in the Schneider lab
Herein, a noninteracting multiphase molecular assembly approach is developed to crystallize tofacitinib, a potent JAK1/3 inhibitor, within a shearthinning self-assembled fibrillar peptide hydrogel network...
Antimicrobial Peptides
Reflecting recent work in the Church lab
Church et al. report a tunable chemical genetics approach for enhancing genetic code expansion in different wild-type bacterial strains..
Mapping SARS-CoV-2
Reflecting recent work in the Ng lab
Given the ongoing SARS-CoV-2 pandemic, identification of immunogenic targets against the coronavirus spike glycoprotein will provide crucial advances towards the development of diagnostic tools...
COVID-19 Therapeutics
Reflecting recent work in the Yousef lab
In this review, the researchers summarize peptide and peptide based therapeutics that target one main entry pathway of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)...
Chemical Protein Synthesis
Reflecting recent work in the Mandal lab
Herein is reported an operationally simple method to facilitate chemical protein synthesis by fully convergent and one-pot native chemical ligations...
Targeting GPCRs
Reflecting recent work in the Davenport lab
This recently published review discusses the current status of the peptide drugs targeting G protein-coupled receptors (GPCRs), with a focus on evolving strategies...
Constrained Peptides
Reflecting recent work in the Waldmann lab
Guéret and colleagues describe a versatile method for inserting chiral motifs between the ends of omega loops. Peptides are synthesized using traditional SPPS...
Coupling Agent Hazards
Reflecting recent work in the Nowick lab
This case study of anaphylaxis induced by three uronium coupling agents, HATU, HBTU, and HCTU, is a cautionary note for researchers who handle peptide coupling agents frequently...
Aqueous SPPS
Reflecting recent work in the Kolmar lab
The growing interest in synthetic peptides has prompted the development of viable methods for their sustainable production. Currently, large amounts of toxic solvents are required for peptide assembly...
Cyclotide Uptake
Reflecting recent work in the Wang lab
In this study, the recently developed chloroalkane penetration assay was combined with established assays to characterize the cellular uptake and cytosolic delivery of the prototypic cyclotide, kalata B1...
Peptide Self Assembly
Reflecting recent work in the Montenegro lab
Despite recent developments in two-dimensional self-assembly, most supramolecular 2D materials are assembled by tedious methodologies, with complex surface chemistry and small sizes...
Peptide Mimics
Reflecting recent work in the Liu lab
Peptides have important biological functions. However, their susceptibility to proteolysis limits their applications...
Hydrophobic Moieties
Reflecting recent work in the Wennemers lab
Trans amide bonds and fast cis–trans isomerization of Xaa-Pro bonds are crucial for the stability and folding rate of collagen, the most abundant protein in mammals...
Platinum Nanoparticles
Reflecting recent work in the Wennemers lab
Hepatocellular carcinoma, HCC, is the sixth most frequent cancer and the second leading cause of death from cancer worldwide. Sorafenib is the most commonly used FDA‐approved systemic...
Octreotide Analogs
Reflecting recent work in the Papini lab
Somatostatin, SS, is a cyclic tetradecapeptide able to inhibit the release of growth hormone, GH, mainly through the binding to two G‐protein coupled...
Enzyme Sequestration
Reflecting recent work in the Xu lab
Liquid-like droplets of biomacromolecules are emerging as a fundamental mechanism of cellular signaling, but designing synthetic mimics to form such...




















































































