1. GPCR/G Protein
  2. GnRH Receptor
  3. LGnRH-III, lamprey

LGnRH-III, lamprey, an isoform of GnRH isolated from the sea lamprey, is a weak GnRH agonist with antitumor activities.

For research use only. We do not sell to patients.

Custom Peptide Synthesis

LGnRH-III, lamprey Chemical Structure

LGnRH-III, lamprey Chemical Structure

CAS No. : 147859-97-0

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5 mg USD 300 In-stock
10 mg USD 480 In-stock
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Based on 1 publication(s) in Google Scholar

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Description

LGnRH-III, lamprey, an isoform of GnRH isolated from the sea lamprey, is a weak GnRH agonist with antitumor activities[1][2].

IC50 & Target

GnRH[2]

Molecular Weight

1259.33

Formula

C59H74N18O14

CAS No.
Appearance

Solid

Color

White to off-white

Sequence

{pGLP}-His-Trp-Ser-His-Asp-Trp-Lys-Pro-Gly-NH2

Sequence Shortening

{pGLP}-HWSHDWKPG-NH2

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Sealed storage, away from moisture

Powder -80°C 2 years
-20°C 1 year

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

Solvent & Solubility
In Vitro: 

H2O : 50 mg/mL (39.70 mM; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 0.7941 mL 3.9704 mL 7.9407 mL
5 mM 0.1588 mL 0.7941 mL 1.5881 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

For the following dissolution methods, please prepare the working solution directly. It is recommended to prepare fresh solutions and use them promptly within a short period of time.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  PBS

    Solubility: 100 mg/mL (79.41 mM); Clear solution; Need ultrasonic

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only.If necessary, please contact MedChemExpress (MCE).
Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
H2O 1 mM 0.7941 mL 3.9704 mL 7.9407 mL 19.8518 mL
5 mM 0.1588 mL 0.7941 mL 1.5881 mL 3.9704 mL
10 mM 0.0794 mL 0.3970 mL 0.7941 mL 1.9852 mL
15 mM 0.0529 mL 0.2647 mL 0.5294 mL 1.3235 mL
20 mM 0.0397 mL 0.1985 mL 0.3970 mL 0.9926 mL
25 mM 0.0318 mL 0.1588 mL 0.3176 mL 0.7941 mL
30 mM 0.0265 mL 0.1323 mL 0.2647 mL 0.6617 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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LGnRH-III, lamprey
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