Teixobactin

Teixobactin (/ˌteɪksoʊˈbæktɪn/) is a peptide-like secondary metabolite of some species of bacteria, that kills some gram-positive bacteria. It appears to belong to a new class of antibiotics, and harms bacteria by binding to lipid II and lipid III, important precursor molecules for forming the cell wall.

Not to be confused with Tazobactam.
Teixobactin
Clinical data
ATC code
  • none
Legal status
Legal status
  • In general: unscheduled
Pharmacokinetic data
BioavailabilityUnknown
Protein bindingUnknown
MetabolismUnknown
Onset of actionUnknown
Elimination half-lifeUnknown
ExcretionUnknown
Identifiers
  • (2R)-N-[(2R,3S)-1-[[(2S,3S)-1-[[(2S)-1-[[(3S,6S,9S,12R,13S)-6-[[(5S)-2-amino-4,5-dihydro-1H-imidazol-5-yl]methyl]-3-[(2S)-butan-2-yl]-9,13-dimethyl-2,5,8,11-tetraoxo-1-oxa-4,7,10-triazacyclotridec-12-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-3-methyl-1-oxopentan-2-yl]-2-[[(2S)-3-hydroxy-2-[[(2S,3S)-3-methyl-2-[[(2R)-2-(methylamino)-3-phenylpropanoyl]amino]pentanoyl]amino]propanoyl]amino]pentanediamide
CAS Number
PubChem CID
ChemSpider
UNII
ChEBI
Chemical and physical data
FormulaC58H95N15O15
Molar mass1242.488 g·mol−1
3D model (JSmol)
  • CC[C@H](C)[C@H]1C(=O)O[C@H]([C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)C[C@H]2CNC(=N)N2)C)NC(=O)[C@H](CO)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@@H]([C@@H](C)CC)NC(=O)[C@@H](CCC(=O)N)NC(=O)[C@H](CO)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@@H](Cc3ccccc3)NC)C
  • InChI=1/C58H95N15O15/c1-12-28(5)42(70-49(79)37(61-11)23-34-19-17-16-18-20-34)53(83)67-39(26-74)51(81)65-36(21-22-41(59)76)48(78)69-44(30(7)14-3)55(85)71-43(29(6)13-2)54(84)68-40(27-75)52(82)73-46-33(10)88-57(87)45(31(8)15-4)72-50(80)38(24-35-25-62-58(60)64-35)66-47(77)32(9)63-56(46)86/h16-20,28-33,35-40,42-46,61,74-75H,12-15,21-27H2,1-11H3,(H2,59,76)(H,63,86)(H,65,81)(H,66,77)(H,67,83)(H,68,84)(H,69,78)(H,70,79)(H,71,85)(H,72,80)(H,73,82)(H3,60,62,64)/t28-,29-,30-,31-,32-,33-,35-,36+,37+,38-,39-,40-,42-,43-,44+,45-,46+/m0/s1

Teixobactin was discovered using a new method of culturing bacteria in soil, which allowed researchers to grow a previously unculturable bacterium now named Eleftheria terrae, which produces the antibiotic. Teixobactin was shown to kill Staphylococcus aureus and Mycobacterium tuberculosis.

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