7kgb | pdb_00007kgb

CryoEM structure of A2296-methylated Mycobacterium tuberculosis ribosome bound with SEQ-9

spinqualitylabelsall models 7kgb, resolution 2.70Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 7kgb is a 10 chain structure with sequence from Mycobacterium tuberculosis H37Rv. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: 2MG, 4OC, 5MC, 5MU, 6MZ, G7M, MA6, MG, OMC, OMG, UR3, WDP, ZN Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function RL32_MYCTU Publication Abstract from PubMed The emergence of drug-resistant tuberculosis has created an urgent need for new anti-tubercular agents. Here, we report the discovery of a series of macrolides called sequanamycins with outstanding in vitro and in vivo activity against Mycobacterium tuberculosis (Mtb). Sequanamycins are bacterial ribosome inhibitors that interact with the ribosome in a similar manner to classic macrolides like erythromycin and clarithromycin, but with binding characteristics that allow them to overcome the inherent macrolide resistance of Mtb. Structures of the ribosome with bound inhibitors were used to optimize sequanamycin to produce the advanced lead compound SEQ-9. SEQ-9 was efficacious in mouse models of acute and chronic TB as a single agent, and it demonstrated bactericidal activity in a murine TB infection model in combination with other TB drugs. These results support further investigation of this series as TB clinical candidates, with the potential for use in new regimens against drug-susceptible and drug-resistant TB. Discovery of natural-product-derived sequanamycins as potent oral anti-tuberculosis agents.,Zhang J, Lair C, Roubert C, Amaning K, Barrio MB, Benedetti Y, Cui Z, Xing Z, Li X, Franzblau SG, Baurin N, Bordon-Pallier F, Cantalloube C, Sans S, Silve S, Blanc I, Fraisse L, Rak A, Jenner LB, Yusupova G, Yusupov M, Zhang J, Kaneko T, Yang TJ, Fotouhi N, Nuermberger E, Tyagi S, Betoudji F, Upton A, Sacchettini JC, Lagrange S Cell. 2023 Mar 2;186(5):1013-1025.e24. doi: 10.1016/j.cell.2023.01.043. Epub 2023 , Feb 23. PMID:36827973 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Ribosome 3D structures

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