PeptideDB

MUT056399

CAS No.: 1269055-85-7

MUT056399 (Fab-001) is a highly potent inhibitor of the FabI enzyme of both S. aureus and E. coli (IC50s of 12 nM and 58
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Description MUT056399 (Fab-001) is a highly potent inhibitor of the FabI enzyme of both S. aureus and E. coli (IC50s of 12 nM and 58 nM, respectively).
In vitro MUT056399 是一种新型的高效 FabI 酶抑制剂,对金黄色葡萄球菌(Staphylococcus aureus)和大肠杆菌(Escherichia coli)均有效。体外实验中,MUT056399 对金黄色葡萄球菌的各种菌株表现出强大活性,包括对甲氧西林敏感的金黄色葡萄球菌(MSSA)、甲氧西林耐药的金黄色葡萄球菌(MRSA)、利奈唑胺耐药以及多药耐药菌株,最小抑制浓度90%(MIC(90))介于0.03至0.12 μg/ml。此外,MUT056399 对凝固酶阴性葡萄球菌也有作用,其MIC(90)在0.12至4 μg/ml之间。其抗菌谱与特异性抑制FabI酶一致,不针对使用FabK酶的细菌,但能抑制含有FabI酶的革兰氏阴性杆菌。在体外,金黄色葡萄球菌的耐药克隆产生频率较低。分析所有耐药克隆发现均含有fabI基因突变[1]。
In vivo 在体内,经皮下给药的MUT056399对由MSSA、MRSA和中间耐药金黄色葡萄球菌引起的致死性全身感染在小鼠中提供了保护,50%有效剂量范围从19.3 mg/kg/day到49.6 mg/kg/day。在非嗜中性粒细胞性小鼠大腿感染模型中,MUT056399同样的治疗减少了具有正常免疫功能的小鼠大腿中MSSA和MRSA的菌落数增长[1]。
Target activity S. aureus:12 nM , E. coli:58 nM
Synonyms Fab-001
molecular weight 293.27
Molecular formula C15H13F2NO3
CAS 1269055-85-7
Storage Powder: -20°C for 3 years | In solvent: -80°C for 1 year
Solubility DMSO: 30 mg/mL (102.29 mM)
References 1. Escaich S, et al. The MUT056399 inhibitor of FabI is a new antistaphylococcal compound. Antimicrob Agents Chemother. 2011 Oct;55(10):4692-7. 2. Schiebel J, et al. An ordered water channel in Staphylococcus aureus FabI: unraveling the mechanism of substrate recognitionand reduction. Biochemistry. 2015 Mar 17;54(10):1943-55.