267662-22-6
Chemical Structure
4"-Isovalerylspiramycin I
Synonym(s): Isovalerylspiramycin I; Shengjimycin E
- CAS No.: 267662-22-6
- Formula:C48H82N2O15
- Molecular Weight:927.17
InChIKey: GCIQAGXAZPUQNA-YDPAJNKASA-N
SMILES: O=CC[C@@H](C[C@H]([C@H](/C=C/C=C/C[C@H](OC(C[C@H]([C@@H]1OC)O)=O)C)O[C@@H]2O[C@@H]([C@H](CC2)N(C)C)C)C)[C@@H]1O[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)C)O[C@H]4C[C@@](O)([C@H]([C@@H](O4)C)OC(CC(C)C)=O)C)N(C)C)O
Biological Activity: 4"-Isovalerylspiramycin I (Isovalerylspiramycin I) is a topoisomerase 1 (TOP1) inhibitor and an antitumor agent. 4"-Isovalerylspiramycin I directly binds to TOP1, suppresses DNA replication, and induces DNA damage. 4"-Isovalerylspiramycin I downregulates phosphorylated CHEK1 and the ATR/CHEK1 DNA damage repair pathway, blocks DNA repair, and augments DNA damage. 4"-Isovalerylspiramycin I suppresses proliferation, migration, and invasion of osteosarcoma cells. 4"-Isovalerylspiramycin I induces apoptosis and cell cycle arrest in osteosarcoma cells. 4"-Isovalerylspiramycin I exerts antibacterial activity against methicillin-resistant Staphylococcus aureus. 4"-Isovalerylspiramycin I can be used for the research of osteosarcoma, upper respiratory bacterial infections, and methicillin-resistant Staphylococcus aureus infection[1][2].
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4"-Isovalerylspiramycin I | 4"-Isovalerylspiramycin I (Isovalerylspiramycin I) is a topoisomerase 1 (TOP1) inhibitor and an antitumor agent. 4"-Isovalerylspiramycin I directly binds to TOP1, suppresses DNA replication, and induces DNA damage. 4"-Isovalerylspiramycin I downregulates phosphorylated CHEK1 and the ATR/CHEK1 DNA damage repair pathway, blocks DNA repair, and augments DNA damage. 4"-Isovalerylspiramycin I suppresses proliferation, migration, and invasion of osteosarcoma cells. 4"-Isovalerylspiramycin I induces apoptosis and cell cycle arrest in osteosarcoma cells. 4"-Isovalerylspiramycin I exerts antibacterial activity against methicillin-resistant Staphylococcus aureus. 4"-Isovalerylspiramycin I can be used for the research of osteosarcoma, upper respiratory bacterial infections, and methicillin-resistant Staphylococcus aureus infection. | |||||||||||||||||||||
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- [1]. Jinrong Liang, et al. Isovalerylspiramycin I inhibits proliferation, migration and invasion of osteosarcoma cells by targeting Topoisomerase 1 and suppressing the ataxia telangiectasia and Rad3-related/checkpoint kinase 1 pathway. Clin. Transl. Disc. 2023;3:e203.
- [2]. Ma C, et al. Construction of 4"-isovalerylspiramycin-I-producing strain by in-frame partial deletion of 3-O-acyltransferase gene in Streptomyces spiramyceticus WSJ-1, the bitespiramycin producer. Curr Microbiol. 2011;62(1):16-20. [Content Brief]
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