N-Acetyl-Ser-Asp-Lys-Pro TFA (Synonyms: Ac-SDKP TFA)

Cat. No.: HY-P0266A: FAQs
Data Sheet SDS Handling Instructions

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N-Acetyl-Ser-Asp-Lys-Pro (TFA), an endogenous tetrapeptide secreted by bone marrow, is a specific substrate for the N-terminal site of ACE.

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

N-Acetyl-Ser-Asp-Lys-Pro TFA Chemical Structure

Size	Price	Stock
1 mg	USD 60	Ask For Quote & Lead Time
5 mg	USD 114	Ask For Quote & Lead Time
10 mg	USD 192	Ask For Quote & Lead Time
25 mg	USD 432	Ask For Quote & Lead Time

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Other Forms of N-Acetyl-Ser-Asp-Lys-Pro TFA:

N-Acetyl-Ser-Asp-Lys-Pro Get quote
N-Acetyl-Ser-Asp-Lys-Pro acetate Get quote

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Biological Activity
Purity & Documentation
References
Customer Review

Description

N-Acetyl-Ser-Asp-Lys-Pro (TFA), an endogenous tetrapeptide secreted by bone marrow, is a specific substrate for the N-terminal site of ACE.

In Vitro

N-Acetyl-Ser-Asp-Lys-Pro is degraded specifically by ACE, and its plasma level rises substantially during ACE inhibitor therapy. Flow cytometry of rat cardiac fibroblasts treated with N-Acetyl-Ser-Asp-Lys-Pro shows significant inhibition of the progression of cells from G0/G1 phase to S phase of the cell cycle. Moreover, phosphorylation and nuclear translocation of Smad2 is decreased in cardiac fibroblasts treated with N-Acetyl-Ser-Asp-Lys-Pro^[1]. N-acetyl-seryl-aspartyl-lysyl-proline appears to exert this function by blocking the action of a stem cell-specific proliferation stimulator and acts selectively on quiescent progenitors^[2]. N-Acetyl-Ser-Asp-Lys-Pro inhibits collagenase expression and activation is associated with increased expression of TIMP-1 and TIMP-2. N-Acetyl-Ser-Asp-Lys-Pro normalizes the IL-1β-mediated increase in MMP-2 and MMP-9 activities and MMP-13 expression^[3].

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

In Vivo

N-Acetyl-Ser-Asp-Lys-Pro prevents hypertension-induced inflammatory cell infiltration, collagen deposition, nephrin downregulation and albuminuria, which could lead to renoprotection in hypertensive mice^[4].

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

Molecular Weight

601.53

Formula

C₂₂H₃₄F₃N₅O₁₁

Appearance

Solid

Color

White to off-white

Sequence

Ac-Ser-Asp-Lys-Pro

Sequence Shortening

Ac-SDKP

Structure Classification

Others

Initial Source

Animals

fetal calf bone marrow

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

Peptide Solubility and Storage Guidelines:

1. Calculate the length of the peptide.

2. Calculate the overall charge of the entire peptide according to the following table:

	Contents	Assign value
Acidic amino acid	Asp (D), Glu (E), and the C-terminal -COOH.	-1
Basic amino acid	Arg (R), Lys (K), His (H), and the N-terminal -NH₂	+1
Neutral amino acid	Gly (G), Ala (A), Leu (L), Ile (I), Val (V), Cys (C), Met (M), Thr (T), Ser (S), Phe (F), Tyr (Y), Trp (W), Pro (P), Asn (N), Gln (Q)	0

3. Recommended solution:

Overall charge of peptide	Details
Negative (<0)	1. Try to dissolve the peptide in water first. 2. If water fails, add NH₄OH (<50 μL). 3. If the peptide still does not dissolve, add DMSO (50-100 μL) to solubilize the peptide.
Positive (>0)	1. Try to dissolve the peptide in water first. 2. If water fails, try dissolving the peptide in a 10%-30% acetic acid solution. 3. If the peptide still does not dissolve, try dissolving the peptide in a small amount of DMSO.
Zero (=0)	1. Try to dissolve the peptide in organic solvent (acetonitrile, methanol, etc.) first. 2. For very hydrophobic peptides, try dissolving the peptide in a small amount of DMSO, and then dilute the solution with water to the desired concentration.

Purity & Documentation

Data Sheet (274 KB) SDS (251 KB) Handling Instructions (2659 KB)

References

[1]. Rousseau A, et al. The hemoregulatory peptide N-acetyl-Ser-Asp-Lys-Pro is a natural and specificsubstrate of the N-terminal active site of human angiotensin-converting enzyme. J Biol Chem. 1995 Feb 24;270(8):3656-61. [Content Brief]

[2]. Pokharel S, et al. N-acetyl-Ser-Asp-Lys-Pro inhibits phosphorylation of Smad2 in cardiac fibroblasts. Hypertension. 2002 Aug;40(2):155-61. [Content Brief]

[3]. Rhaleb NE, et al. N-acetyl-Ser-Asp-Lys-Pro inhibits interleukin-1β-mediated matrix metalloproteinase activation in cardiac fibroblasts. Pflugers Arch. 2013 Oct;465(10):1487-95. [Content Brief]

[4]. Rhaleb NE, et al. Renal protective effects of N-acetyl-Ser-Asp-Lys-Pro in deoxycorticosterone acetate-salt hypertensive mice. J Hypertens. 2011 Feb;29(2):330-8. [Content Brief]

N-Acetyl-Ser-Asp-Lys-Pro TFA Related Classifications

Inflammation/Immunology Cardiovascular Disease

Molarity Calculator
Dilution Calculator

The molarity calculator equation

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

Mass		Concentration		Volume		Molecular Weight *
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The dilution calculator equation

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

This equation is commonly abbreviated as: C₁V₁ = C₂V₂

Concentration _(start)	×	Volume _(start)	=	Concentration _(final)	×	Volume _(final)
	×		=		×
C1		V1		C2		V2

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:

N-Acetyl-Ser-Asp-Lys-ProAc-SDKPAngiotensin-converting Enzyme (ACE)Inhibitorinhibitorinhibit

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