2. GPCR/G Protein
  3. Bradykinin Receptor
  4. Bradykinin (1-5)

Bradykinin (1-5) is a major stable metabolite of Bradykinin, formed by the proteolytic action of angiotensin-converting enzyme (ACE).

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Bradykinin (1-5) Chemical Structure

Bradykinin (1-5) Chemical Structure

CAS No. : 23815-89-6

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Based on 1 publication(s) in Google Scholar

Bradykinin (1-5) Related Antibodies

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Bradykinin B1 Receptor (B1R) Bradykinin B2 Receptor (B2R)

  • Biological Activity

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Description

Bradykinin (1-5) is a major stable metabolite of Bradykinin, formed by the proteolytic action of angiotensin-converting enzyme (ACE).

In Vivo

Bradykinin is a short-lived vasoactive peptide, with a reported half-life in vivo of 17 s, that is rapidly metabolized in the circulation to Bradykinin (1-5). Bradykinin (1-5), the product of two sequential cleavages of Bradykinin by ACE at the Pro7-Phe8 and Phe5-Ser6bonds, has been identified as the major stable metabolite of Bradykinin in vivo in human subjects, with a terminal half-life of minutes. Both Bradykinin and Bradykinin (1-5) inhibit α- and γ-thrombin-induced platelet aggregation (P<0.01 versus baseline). Bradykinin (1-5) inhibits γ-thrombin-induced platelet aggregation 50% at a calculated dose of 183±3 pmol/min. Neither Bradykinin nor Bradykinin (1-5) affects thrombin receptor-activating peptide-induced platelet aggregation, consistent with the hypothesis that Bradykinin and Bradykinin 1-5 inhibit thrombin-induced platelet aggregation by preventing cleavage of the thrombin receptor and liberation of thrombin receptor-activating peptide. Bradykinin (1-5) significantly attenuates α-thrombin-induced platelet aggregation but not TRAP 1-6-induced platelet aggregation. Bradykinin (1-5) potently inhibits γ-thrombin (500 nM)-induced platelet aggregation with an ED50 of 183±2 pmol/min[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Molecular Weight

572.66

Formula

C27H40N8O6
CAS No.
Appearance

Solid

Color

White to off-white

Sequence

Arg-Pro-Pro-Gly-Phe
Sequence Shortening

RPPGF
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: 

DMSO : 100 mg/mL (174.62 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.7462 mL 8.7312 mL 17.4624 mL
5 mM 0.3492 mL 1.7462 mL 3.4925 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.

  • 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:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
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:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.5 mg/mL (4.37 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL (4.37 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
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.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).

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

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).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
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
DMSO 1 mM 1.7462 mL 8.7312 mL 17.4624 mL 43.6559 mL
5 mM 0.3492 mL 1.7462 mL 3.4925 mL 8.7312 mL
10 mM 0.1746 mL 0.8731 mL 1.7462 mL 4.3656 mL
15 mM 0.1164 mL 0.5821 mL 1.1642 mL 2.9104 mL
20 mM 0.0873 mL 0.4366 mL 0.8731 mL 2.1828 mL
25 mM 0.0698 mL 0.3492 mL 0.6985 mL 1.7462 mL
30 mM 0.0582 mL 0.2910 mL 0.5821 mL 1.4552 mL
40 mM 0.0437 mL 0.2183 mL 0.4366 mL 1.0914 mL
50 mM 0.0349 mL 0.1746 mL 0.3492 mL 0.8731 mL
60 mM 0.0291 mL 0.1455 mL 0.2910 mL 0.7276 mL
80 mM 0.0218 mL 0.1091 mL 0.2183 mL 0.5457 mL
100 mM 0.0175 mL 0.0873 mL 0.1746 mL 0.4366 mL
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Bradykinin (1-5) Related Classifications

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.

Keywords:

Bradykinin (1-5)23815-89-6Bradykinin ReceptorInhibitorinhibitorinhibit

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