Dispatched same day before 4pm

LL-37 research vial
PepNex
LL-37
5mg
Research use only

LL-37

Supplied in 5 mg vials. UK-stocked line, back in soon.

Batch certified
UK stock, same-day
Stored cold, shipped & sealed safely

Out of stock. A certificate of analysis is published with the first batch.

Strength
How many vials?
Out of stock

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

HydrophobicPolarAcidicBasic
37 residues
Identity
Sequence
LLGDFFRKSKEKIGKEFKRIVQRIKDFLRNLVPRTES
Molecular formula
C205H340N60O53
Molecular weight
4493.3 g/mol
CAS number
154947-66-7
Physical
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 populations
    Agerberth 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.

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Reconstitution

Concentration
2.50 mg/ml
Volume to draw
0.100 ml
On a U-100 syringe
10 units

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.