LL37

$120.00

What LL-37 Is

  • Peptide type: Human cathelicidin antimicrobial peptide

  • Amino acids: 37 (hence the name “LL-37”)

  • Origin: Produced naturally in humans from the precursor protein hCAP18

  • Charge: Cationic (positively charged)

  • Structure: Amphipathic α-helical peptide


Primary Biological Role

LL-37 is a front-line defense molecule that helps the body respond to:

  • Bacterial infections (Gram-positive and Gram-negative)

  • Viral and fungal pathogens

  • Tissue injury and inflammation

It acts quickly and broadly, making it a crucial part of innate immunity.