Peptide / Material & research guide
LL37
LL-37 is a human cathelicidin-derived peptide studied in host-defense and cell-signaling models.
Catalog specification — select for your inquirySelected: 5 mg × 10 vials
Nominal catalog options, not a live availability guarantee. Final supply is confirmed in the written quotation.
Material profile
About the material
LL-37 is a human cathelicidin-derived peptide studied in host-defense and cell-signaling models.
For LL37, the useful starting point is the material identity—not the broad research category. Compare the complete name and supplied form with the reference used by your laboratory.
Confirm the mature peptide sequence and any terminal modification. Ask whether assay-interfering impurities or endotoxin limits are relevant to the planned laboratory work.
Scientific context
Research context
Experimental antimicrobial and immunological findings depend on the assay system. They do not establish sterility, clinical suitability or a finished antimicrobial product.
LL-37, the neutrophil granule- and epithelial cell-derived cathelicidin, utilizes formyl peptide receptor-like 1 (FPRL1) as a receptor to chemoattract human peripheral blood neutrophils, monocytes, and T cells.
The Journal of experimental medicine · 2000 · PMID 11015447
Read the named material, experimental model, controls and limitations in the original paper. This source is scientific background, not a certificate for the offered lot.
Read the primary publication ↗Antibacterial effect of human mesenchymal stem cells is mediated in part from secretion of the antimicrobial peptide LL-37.
Stem cells (Dayton, Ohio) · 2010 · PMID 20945332
Read the named material, experimental model, controls and limitations in the original paper. This source is scientific background, not a certificate for the offered lot.
Read the primary publication ↗For laboratory research use only. Not for human or veterinary use, diagnosis or therapeutic application. No administration or dosing protocol is provided.
Catalog & quotation
Specifications
| Catalog material | LL37 |
|---|---|
| Material class | Peptide |
| Listed options | 5 mg × 10 vials |
| Identity / supplied form | Confirm the mature peptide sequence and any terminal modification. Ask whether assay-interfering impurities or endotoxin limits are relevant to the planned laboratory work. |
| Identity, purity and content | Request the method, acceptance specification and lot-specific results. Chromatographic purity and net material content are separate measurements. |
| Storage / stability | Follow the written instructions for the actual material and batch. No universal 24-month shelf life or solution stability is assumed. |
Evidence for the offered material
Documents
Confirm document availability for the actual material and lot. A catalog purity target or packaging label is not a released batch result.
Confirm the mature peptide sequence and any terminal modification. Ask whether assay-interfering impurities or endotoxin limits are relevant to the planned laboratory work.
Ask which tests and underlying files are available, what each result measures and which batch it covers. Do not infer a test result from an image or badge.
Match product name, selected specification, lot reference and packaging to the quotation. Ask about any difference before confirming supply.
Before you inquire
Questions
Does an LL-37 listing imply a sterile antimicrobial preparation?
Confirm the mature peptide sequence and any terminal modification. Ask whether assay-interfering impurities or endotoxin limits are relevant to the planned laboratory work.
What should my LL37 inquiry include?
Include the exact material name, the catalog option or required specification, quantity, destination and any documents needed before quotation. Keep nominal amount per container separate from the number of containers.
Does the catalog image confirm the selected specification?
No. It is a catalog illustration. The image may show one variant while the selector lists other options. Use the written quotation and matching batch documents to confirm supply.
Does a paper or an existing report validate every future batch?
No. A paper describes its studied material and model. An analytical report describes a named sample. Confirm the connection between any report and the lot offered for your order.
Catalog content reviewed 26 September 2026. Listed options are from this site's product records. Scientific sources, where shown, describe research context, not batch certification.
Build your LL37 inquiry.
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