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α-Synuclein (61-75) (TFA)

Cat No.:V68754 Purity: ≥98%
α-Synuclein (61-75) TFA is the 61-75 fragment of α-Synuclein.
α-Synuclein (61-75) (TFA)
α-Synuclein (61-75) (TFA) Chemical Structure Product category: α-synuclein
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
5mg
10mg
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Product Description
α-Synuclein (61-75) TFA is the 61-75 fragment of α-Synuclein. α-Synuclein is an abundant neuronal protein that is highly abundant in presynaptic nerve terminals. α-Synuclein is a biomarker for PD/Parkinson's disease.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
The neuropathological characteristic of Parkinson's disease (PD) is lewy bodies containing α-synuclein. PD appears to be caused by missense mutations in α-synuclein (A30P, E46K, H50Q, G51D, A53E, and A53T) as well as duplications and triplications of the α-synuclein gene. Furthermore, variations in the regulatory regions of the α-Synuclein gene predispose people to Parkinson's disease and are associated with an early beginning of the illness. Compared to mouse α-synuclein and the equivalent homologous region of human β-synuclein, the non-Aβ-amyloid component (NAC) region of α-synuclein is highly hydrophobic and aggregation-prone in human α-synuclein. However, in the N-terminal sequences, β-synuclein is 74% more similar to α-synuclein than γ-synuclein is (67%).
References

[1]. Cell Biology and Pathophysiology of α-Synuclein. Cold Spring Harb Perspect Med. 2018 Mar 1;8(3):a024091.

[2]. Trans-synaptic spreading of alpha-synuclein pathology through sensory afferents leads to sensory nerve degeneration and neuropathic pain. Acta Neuropathol Commun. 2021 Feb 25;9(1):31.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C62H104F3N17O25
Molecular Weight
1544.58
Appearance
Solid powder
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: Please store this product in a sealed and protected environment, avoid exposure to moisture.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO :~100 mg/mL (~64.74 mM)
Solubility (In Vivo)
Solubility in Formulation 1: 2.5 mg/mL (1.62 mM) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), suspension solution; with sonication.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (1.62 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 0.6474 mL 3.2371 mL 6.4743 mL
5 mM 0.1295 mL 0.6474 mL 1.2949 mL
10 mM 0.0647 mL 0.3237 mL 0.6474 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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