Helen Frankenthaler Foundation

Gastric acid secretion research peptide

Gastrin-Releasing Peptide, human(TFA)

Gastrin-Releasing Peptide, human(TFA)

Catalog No. TP1325L

Gastrin-Releasing Peptide, human(TFA) is a regulatory human peptide that elicits gastrin release and regulates gastric acid secretion and enteric motor function. The post-ganglionic fibers of the vagus nerve that innervate the G cells of the stomach release GRP, which stimulates the G cells to release gastrin.

Pack SizePriceUSA WarehouseGlobal WarehouseQuantity
1 mg$56In StockIn Stock
5 mg$125In StockIn Stock
10 mg$190In StockIn Stock
25 mg$313In StockIn Stock
50 mg$441In StockIn Stock
100 mg$596In StockIn Stock
200 mg$791In StockIn Stock

In Stock Estimated shipping date USA Warehouse 1-2 days Global Warehouse 5-7 days

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Gastrin-Releasing Peptide, human(TFA) Common Questions

What’s IC50?

Half-maximal inhibitory concentration (IC50) refers to the concentration of the inhibitor which is required to inhibit a given biological or biochemical function by half.

Does the compound differ in any way when it is in the form of hydrochloride or sulfate ions? What is the difference between the salt form and the free form?

The molecules in salt and non-salt forms exhibit the same activity, and they have consistent effects in biological experiments. Their activity and usage are identical. The only difference lies in their salt forms, which may result in variations in physical properties such as solubility. It is recommended to choose based on solubility and experimental requirements.

How to recommend specific or broad-spectrum inhibitors for a target? What is the difference between specificity and nonspecificity?

Inhibitors can be classified into two types based on specificity: broad-spectrum (pan) and selective inhibitors. Pan inhibitors are inhibitors of a particular target that have inhibitory effects on all subtypes or members of the entire family. Selective inhibitors have particularly high inhibitory rates or specific inhibitory effects on a subtype of a protein kinase or a member of a family of proteins. The evaluation of the inhibitory efficiency of an inhibitor generally relies on the IC50 value, with lower IC50 values indicating higher inhibitory efficiency. We recommend considering the above characteristics comprehensively when selecting inhibitors, and you can also contact our technical team for recommendations on relevant inhibitors.

What’s Kd?

Dissociation consent (Kd) reflects the affinity of a compound for its target. In some cases, it can be equivalent to Ki.

What’s Ki?

Inhibitory consent (Ki) reflects the strength of inhibitor binding to the target, corresponding to the concentration of free inhibitor when 50% of the target is bound by the inhibitor.

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Purity:98.55%

Appearance:Solid

Color:White

Contact us for more batch information

Product Introduction

Bioactivity

Description Gastrin-Releasing Peptide, human(TFA) is a regulatory human peptide that elicits gastrin release and regulates gastric acid secretion and enteric motor function. The post-ganglionic fibers of the vagus nerve that innervate the G cells of the stomach release GRP, which stimulates the G cells to release gastrin. In vitro Gastrin-Releasing Peptide, human (GRP) belongs to the bombesin-like peptide family, and is not a classical hypothalamic-hypophyseal regulatory hormone since it plays only a perfunctory role in the mediation of pituitary hormone release. However, GRP/bombesin-like immunoreactivity is widely distributed in mammalian brain, especially the hypothalamus, GI tract and in human fetal lung.

Chemical Properties

Molecular Weight 2973.4

Formula C 132 H 205 F 3 N 38 O 33 S 2

Smiles OC(=O)C(F)(F)F.CSCC[C@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC1=CNC=N1)NC(=O)CNC(=O)[C@@H](NC(=O)[C@H](C)NC(=O)[C@H](CC1=CNC2=C1C=CC=C2)NC(=O)[C@H](CC1=CNC=N1)NC(=O)[C@H](CC(N)=O)NC(=O)CNC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@@H]1CCCN1C(=O)[C@H](CC1=CC=C(O)C=C1)NC(=O)[C@H](CCSC)NC(=O)[C@H](CCCCN)NC(=O)[C@@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)CNC(=O)CNC(=O)[C@H](C)NC(=O)[C@@H]1CCCN1C(=O)[C@H](CC(C)C)NC(=O)[C@@H]1CCCN1C(=O)[C@@H](N)C(C)C)[C@@H](C)O)C(C)C)[C@@H](C)O)C(C)C)C(N)=O

Relative Density.no data available

Sequence H-Ala-Pro-Val-Ser-Val-Gly-Gly-Gly-Thr-Val-Leu-Ala-Lys-Met-Tyr-Pro-Arg-Gly-Asn-His-Trp-Ala-Val-Gly-His-Leu-Met-OH

Sequence Short APVSVGGGTVLAKMYPRGNHWAVGHLM

Storage & Solubility Information

Storage keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature.

Solubility Information H2O: soluble

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In Vivo Formulation Calculator (Clear solution)

Please enter your animal experiment information in the following box and click Calculate to obtain the stock solution preparation method and in vivo formula preparation method: For example, if the intended dosage is 10 mg/kg for animals weighing 20 g , with a dosing volume of 100 μL per animal, and a total of 10 animals are to be administered, using a formulation of 10% DMSO+ 40% PEG300+ 5% Tween 80+ 45% Saline/PBS/ddH 2 O , the resulting working solution concentration would be 2 mg/mL.

Stock Solution Preparation:

Dissolve 2 mg of the compound in 100 μL DMSO to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.

Preparation of the In Vivo Formulation:

1) Add 100 μL of the DMSO stock solution to 400 μL PEG300 and mix thoroughly until the solution becomes clear.

2) Add 50 μL Tween 80 and mix well until fully clarified.

3) Add 450 μL Saline, PBS or ddH 2 O and mix thoroughly until a homogeneous solution is obtained.

This example is provided solely to demonstrate the use of the In Vivo Formulation Calculator and does not constitute a recommended formulation for any specific compound. Please select an appropriate dissolution and formulation strategy based on your experimental model and route of administration.

Sci Citation

Tech Support

Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc

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