LL-37, human (TFA)

LL-37, human TFA is a 37-residue, amphipathic, cathelicidin-derived antimicrobial peptide, which exhibits a broad spectrum of antimicrobial activity. LL-37, human TFA could help protect the cornea from infection and modulates wound healing[1][2][3].

Product Specifications

UNSPSC

12352209

Target

Bacterial

Type

Peptides

Related Pathways

Anti-infection

Applications

COVID-19-immunoregulation

Field of Research

Infection

Assay Protocol

https://www.medchemexpress.com/ll-37-human-tfa.html

Purity

99.78

Solubility

DMSO : 50 mg/mL (ultrasonic) |H2O : 100 mg/mL (ultrasonic)

Smiles

O=C(N[C@@H](CC(C)C)C(NCC(N[C@@H](CC(O)=O)C(N[C@@H](CC1=CC=CC=C1)C(N[C@@H](CC2=CC=CC=C2)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CCCCN)C(N[C@@H](CO)C(N[C@@H](CCCCN)C(N[C@@H](CCC(O)=O)C(N[C@@H](CCCCN)C(N[C@@H]([C@@H](C)CC)C(NCC(N[C@@H](CCCCN)C(N[C@@H](CCC(O)=O)C(N[C@@H](CC3=CC=CC=C3)C(N[C@@H](CCCCN)C(N[C@@H](CCCNC(N)=N)C(N[C@@H]([C@@H](C)CC)C(N[C@@H](C(C)C)C(N[C@@H](CCC(N)=O)C(N[C@@H](CCCNC(N)=N)C(N[C@@H]([C@@H](C)CC)C(N[C@@H](CCCCN)C(N[C@@H](CC(O)=O)C(N[C@@H](CC4=CC=CC=C4)C(N[C@@H](CC(C)C)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CC(N)=O)C(N[C@@H](CC(C)C)C(N[C@@H](C(C)C)C(N5[C@@H](CCC5)C(N[C@@H](CCCNC(N)=N)C(N[C@@H]([C@H](O)C)C(N[C@@H](CCC(O)=O)C(N[C@@H](CO)C(O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)[C@H](CC(C)C)N.OC(C(F)(F)F)=O.[x]

Molecular Formula

C205H340N60O53.xC2HF3O2

Molecular Weight

4493.26 (free base)

References & Citations

[1]Dürr UH, et al. LL-37, the only human member of the cathelicidin family of antimicrobial peptides. Biochim Biophys Acta. 2006 Sep;1758 (9) :1408-25.|[2]Huang LC, et al. Multifunctional roles of human cathelicidin (LL-37) at the ocular surface. Invest Ophthalmol Vis Sci. 2006 Jun;47 (6) :2369-80.|[3]Hou M, et al. Antimicrobial peptide LL-37 and IDR-1 ameliorate MRSA pneumonia in vivo. Cell Physiol Biochem. 2013;32 (3) :614-23.

Shipping Conditions

Blue Ice

Storage Conditions

-80°C, 2 years; -20°C, 1 year (Powder, sealed storage, away from moisture)

Scientific Category

Peptides

Clinical Information

No Development Reported

Citation 01

Int Immunopharmacol. 2024 Mar 10:129:111636.|ACS Omega. 2025 Aug 12;10 (33) :36994-37003.|Commun Biol. 2022 Jun 8;5 (1) :559.|FASEB J. 2025 Oct 31;39 (20) :e71164.