ArticlePHAGE (New Rochelle, N.Y.)2024
Structural and Biochemical Characterization of a New Phage-Encoded Muramidase, KTN6 Gp46.
Article in PHAGE (New Rochelle, N.Y.), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Characterization of a Peptidoglycan-Degrading Protein: Biochemical and Antimicrobial Characteristics, Antibiotic Synergism, and Delivery System Innovation.Probiotics and antimicrobial proteins · 2025Article
- New BacteriophageViruses · 2025Article
Corrections and comments
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Endolysins are phage-encoded lytic enzymes that degrade bacterial peptidoglycan at the end of phage lytic cycles to release new phage particles. These enzymes are being explored as an alternative to small-molecule antibiotics. Methods: The crystal structure of KTN6 Gp46 was determined and compared with a ColabFold model. Cleavage specificity was examined using a peptidoglycan digest and reversed-phase high-performance liquid chromatography coupled to mass spectrometry (HPLC/MS). Results: The structure of KTN6 Gp46 could be determined at 1.4 Å resolution, and key differences in loops of the putative peptidoglycan binding domain were identified in comparison with its closest known homologue, the endolysin of phage SPN1S. Reversed-phase HPLC/MS analysis of the reaction products following peptidoglycan digestion confirmed the muramidase activity of Gp46, consistent with structural predictions. Conclusion: These insights into the structure and function of endolysins further expand the toolbox for endolysin engineering and explore their potential in enzyme-based antibacterial design strategies.
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Registered trials
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