

LL-37
Supplied in 5 mg vials. UK-stocked line, back in soon.
Out of stock. A certificate of analysis is published with the first batch.
Not currently available. A certificate of analysis is published with the first batch.
For laboratory research use only. Not for human or animal consumption, and not a drug, food, or cosmetic. Sold to qualified researchers and institutions.
About LL-37
- Residues
- 37
- Molecular weight
- 4493.3 g/mol
- CAS number
- 154947-66-7
LL-37 is the 37-residue C-terminal peptide of the human cathelicidin hCAP18. It is studied as a broad antimicrobial and immunomodulatory peptide in cell and microbiological models, where its amphipathic helix interacts with microbial membranes.
For laboratory research use only. Not for human or veterinary use.
Specifications
- Sequence
- LLGDFFRKSKEKIGKEFKRIVQRIKDFLRNLVPRTES
- Molecular formula
- C205H340N60O53
- Molecular weight
- 4493.3 g/mol
- CAS number
- 154947-66-7
- Form
- Lyophilised powder
- Appearance
- White to off-white powder
- Solubility
- Soluble in bacteriostatic or sterile water
- Storage
- Store the lyophilised powder at -20°C, protected from light. Refrigerate reconstituted material at 2 to 8°C and use within its stability window.
Certificate
This compound is not currently stocked. Its certificate of analysis, with the independent HPLC and mass-spectrometry results for the batch, is published here when the first lot is released.
Handling and storage
Reconstitute with bacteriostatic or sterile water. Store the lyophilised powder at -20°C, protected from light; refrigerate reconstituted material at 2 to 8°C. Handle under standard laboratory conditions.
Literature
- The human antimicrobial and chemotactic peptides LL-37 and alpha-defensins are expressed by specific lymphocyte and monocyte populationsAgerberth B, et al. · Blood · 2000
Common questions about LL-37
- What is LL-37?
- LL-37 is the 37-residue C-terminal peptide of the human cathelicidin hCAP18. It is studied as a broad antimicrobial and immunomodulatory peptide in cell and microbiological models, where its amphipathic helix interacts with microbial membranes.
- How is LL-37 supplied?
- LL-37 is supplied as a lyophilised (freeze-dried) powder in 5 mg vials, for laboratory research use only.
- How should LL-37 be stored and handled?
- Reconstitute with bacteriostatic or sterile water. Store the lyophilised powder at -20°C, protected from light; refrigerate reconstituted material at 2 to 8°C. Handle under standard laboratory conditions.
- Is LL-37 for human use?
- No. LL-37 is supplied strictly for in vitro laboratory research. It is not for human or animal consumption, and is not a drug, food, or cosmetic.
Researchers also study
Reconstitution
A measurement aid for laboratory handling. For research use only.
Need the syringe mark, a round-number draw, or a U-40 reading? Open the full calculator with this 5 mg vial loaded.
