Astexin-1

Astexin-1 is an antimicrobial peptide produced by Asticcacaulis excentricus CB 48. It has antibacterial activity against gram-negative bacteria: Caulobacter crescentus CB15. Astexin-1 possesses a lasso structure, the isopeptide bond forming the macrolactam ring is between Gly1 and Asp9, an eight-residue loop above and a six-residue tail under the macrolactam ring are defined, with Glu17 above, Ser18 passing, and Arg19 under the ring.

• Supplier: BOC Sciences
• Product #: BAT-013040