- 英文名称
- Polymyxin B2
- 分子式
- C55H96N16O13
- 分子量
- 1189.46
- 中文别名
- 多黏菌素 B2; 多粘菌素B2同分异构体; 6-Methylheptanoyl-L-A2bu-L-Thr-L-A2bu-cyclo(L-A2bu*-L-A2bu-D-Phe-L-Leu-L-A2bu-L-A2bu-L-Thr-); L-Threonine, N2-(6-methyl-1-oxoheptyl)-L-2,4-diaminobutanoyl-L-threonyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-D-phenylalanyl-L-leucyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-, cyclic (10-4)-peptide; N-[(2S)-4-amino-1-[[(2S,3R)-1-[[(2S)-4-amino-1-oxo-1-[[(3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-[(1R)-1-hydroxyethyl]-12-(2-methylpropyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptazacyclotricos-21-yl]amino]butan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]amino]-1-oxobutan-2-yl]-6-methylheptanamide; Polymyxin B1, 1-[(2S)-4-amino-2-[(6-methyl-1-oxoheptyl)amino]butanoic acid]-; N-((S)-4-Amino-1-(((2S,3R)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-((R)-1-hydroxyethyl)-12-isobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan-2-yl)amino)-3-hydroxy-1-oxobutan-2-yl)amino)-1-oxobutan-2-yl]-6-methylheptanamide; N-[(2S)-4-Amino-1-{[(2S,3R)-1-{[(2S)-4-amino-1-oxo-1-({(3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-[(1R)-1-hydroxyethyl]-12-isobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl}amino)-2-butanyl]amino}-3-hydroxy-1-oxo-2-butanyl]amino}-1-oxo-2-butanyl]-6-methylheptanamide
- 用途
- 多粘菌素B2是一种多肽类抗生素，具有抗细菌活性，特别是对抗革兰氏阴性细菌。Polymyxin B2通过与细菌细胞膜上的脂多糖分子结合，破坏细胞膜的完整性，导致细胞内容物泄漏，从而杀死细菌。Polymyxin B2可用于抗生素开发和治疗耐药菌株的研究。
