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LEAP-2

LEAP-2 (Human liver expressed antimicrobial peptide-2) is a GHS-R1a antagonist, with an IC50 of 6.0 nM. LEAP-2 suppresses the orexigenic effect of ghrelin. LEAP-2 attenuates ghrelin-induced growth hormone (GH) release and reduces basal food intake. LEAP-2 exhibits antimicrobial activity against microbial model organisms. LEAP-2 can be used for the study of obesity and infection[1][2].

Product Specifications

CAS Number

1683582-94-6

Product Name Alternative

Human liver expressed antimicrobial peptide-2

UNSPSC

12352209

Target

Bacterial; GHSR; IFNAR; Interleukin Related; TNF Receptor

Type

Peptides

Related Pathways

Anti-infection; Apoptosis; GPCR/G Protein; Immunology/Inflammation

Applications

COVID-19-immunoregulation

Field of Research

Infection; Metabolic Disease; Inflammation/Immunology

Assay Protocol

https://www.medchemexpress.com/leap-2.html

Purity

97.64

Solubility

DMSO : 100 mg/mL (ultrasonic)

Smiles

O=C(N[C@@H]([C@H](O)C)C(N1[C@@H](CCC1)C(N[C@@H](CC2=CC=CC=C2)C(N[C@@H](CC3=CNC4=CC=CC=C34)C(N[C@@H](CCCNC(N)=N)C(NCC(N[C@@H](C(C)C)C(N[C@@H](CO)C(N[C@@H](CC(C)C)C(N[C@@H](CCCNC(N)=N)C(N5[C@@H](CCC5)C(N[C@@H]([C@@H](C)CC)C(NCC(N[C@@H](C)C(N[C@@H](CO)C(N[C@@H](CSSC[C@@H](C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CCCCN)C(N[C@@H](CCCNC(N)=N)C(N[C@H]6CCCNC(N)=N)=O)=O)=O)=O)NC7=O)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CC(O)=O)C(N[C@@H](CC(O)=O)C(N[C@@H](CO)C(N[C@@H](CCC(O)=O)C(N[C@@H](CSSC[C@@H](C(N[C@@H](CO)C(N[C@@H](CC(C)C)C(N[C@@H](CO)C(N[C@@H](C(C)C)C(N[C@@H](C)C(N[C@@H](CCC(N)=O)C(N[C@@H](CCC(O)=O)C(O)=O)=O)=O)=O)=O)=O)=O)=O)NC6=O)C(N[C@@H]([C@@H](C)CC)C(N[C@@H]([C@H](O)C)C(N[C@@H](CCCNC(N)=N)C(N[C@H]7CC(C)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)[C@H](CCSC)N

Molecular Formula

C191H316N64O57S5

Molecular Weight

4581.27

References & Citations

[1]Krause A, et al. Isolation and biochemical characterization of LEAP-2, a novel blood peptide expressed in the liver. Protein Sci. 2003 Jan;12 (1) :143-52.|[2]Ge X, et al. LEAP2 Is an Endogenous Antagonist of the Ghrelin Receptor. Cell Metab. 2018 Feb 6;27 (2) :461-469.e6. |[3]Chen J, et al. Host defense peptide LEAP-2 contributes to monocyte/macrophage polarization in barbel steed (Hemibarbus labeo) . Fish Shellfish Immunol. 2019 Apr;87:184-192. doi: 10.1016/j.fsi.2019.01.015

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

Isoform

GHSR1a

Available Sizes

Frequently Asked Questions

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