9rxl

SARS-CoV-2 nucleocapsid C-terminal domain in complex with BCY00018176

spinqualitylabelsall models 9rxl, resolution 1.46Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 9rxl is a 4 chain structure with sequence from Homo sapiens and Severe acute respiratory syndrome coronavirus 2. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.46Å Ligands: GOL, LFI, NH2 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function NCAP_SARS2 Packages the positive strand viral genome RNA into a helical ribonucleocapsid (RNP) and plays a fundamental role during virion assembly through its interactions with the viral genome and membrane protein M. Plays an important role in enhancing the efficiency of subgenomic viral RNA transcription as well as viral replication. Publication Abstract from PubMed Constrained bicyclic peptides (Bicycle molecules) with high affinity for biological targets have emerged as potentially powerful therapeutic agents, particularly for the in vivo targeting of cancer receptors. However, their antibody-mimetic properties have yet to be explored for use in diagnostic immunoassays. These synthetically derived compounds serve as biorecognition scaffolds that allow for facile site-selective modification and large-scale production. A phage display screen against various constructs of the SARS-CoV-2 nucleocapsid (N) protein identified several Bicycle molecules with binding affinities ranging from the micromolar to the low nanomolar range. These Bicycle molecules were validated in the development of enzyme- and nanozyme-linked immunosorbent assays, as well as enzymatic and colorimetric nanoparticle-based lateral flow immunoassays (LFIA) for the detection of ultralow concentrations of the SARS-CoV-2 N protein. We envision that these moieties enable robust, cost-effective, and large-scale development of ultrasensitive biosensors for a diverse range of biomarkers by leveraging their high binding affinity, minimalistic scaffold, and synthetic accessibility. Utilizing Constrained Bicyclic Peptides for In Vitro Diagnostics.,Shamsabadi A, Creamer A, Sadler CJ, Abdelwahed A, Gaynor KU, Demydchuk Y, Ivanova-Berndt G, Van Rietschoten K, Beswick P, Chen L, Arruda Bezerra G, Lulla A, Brear P, Hyvonen M, Skynner MJ, Stevens MM ACS Nano. 2026 Feb 24;20(7):5928-5939. doi: 10.1021/acsnano.5c19041. Epub 2026 , Feb 13. PMID:41685809 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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