Description
Product Overview
LL-37 is a synthetic cationic peptide supplied by PeptaCo for qualified laboratory research. It is the active form of human cathelicidin antimicrobial protein (hCAP18) and is widely referenced in innate immunity research. LL-37 is studied for its broad-spectrum research applications in immunology and host defense investigations.
Key Product Details
- Product Name: LL-37
- Specification: 5mg per vial
- Product Form: Lyophilized powder
- Category: Immune Research Peptides — Antimicrobial
- Peptide Length: 37 amino acids (cationic, amphipathic)
Chemical Identity
LL-37 is a 37-amino-acid peptide derived from the C-terminal region of hCAP18. The sequence begins with two leucine residues (hence “LL”). Molecular Formula: C₁₈₈H₃₃₆N₅₄O₄₇S₃. Molecular Weight: ~4736 Da. The peptide adopts an alpha-helical structure in solution.
Research Context
LL-37 is extensively studied in innate immunity research for its role in host defense and immune modulation. It is commonly referenced in investigations of antimicrobial peptide biology, biofilm disruption, and inflammatory response regulation. PeptaCo supplies LL-37 in high-purity format for qualified laboratory customers.
Storage and Handling
Store in a cool, dry place away from direct light. Follow batch-specific storage instructions provided with the certificate of analysis. Avoid repeated freeze-thaw cycles. Handle using standard laboratory practices.
Documentation and Quality
Batch-specific analytical documentation is available to qualified customers upon request. Contact PeptaCo with the product SKU and required quantity to request the current documentation package, which may include identity confirmation, purity analysis, and batch traceability records.
Important Notice
This product is supplied for qualified laboratory research and analytical applications only. It is not for human or veterinary use. Product specifications may vary by batch. Appearance, analytical results, counter-ion information, and other release specifications should be confirmed against the certificate issued for the current batch.





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