1. Peptides
  2. KSPWFTTL TFA

KSPWFTTL TFA is an immunodominant Kb-restricted epitope from the p15E transmembrane protein. KSPWFTTL TFA can restore susceptibility of a tumor line to anti-AKR/Gross MuLV cytotoxic T lymphocytes.

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

Custom Peptide Synthesis

KSPWFTTL TFA Chemical Structure

KSPWFTTL TFA Chemical Structure

Size Price Stock Quantity
5 mg USD 300 In-stock
10 mg USD 480 In-stock
50 mg   Get quote  
100 mg   Get quote  

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This product is a controlled substance and not for sale in your territory.

Customer Review

Based on 1 publication(s) in Google Scholar

Other Forms of KSPWFTTL TFA:

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  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

KSPWFTTL TFA is an immunodominant Kb-restricted epitope from the p15E transmembrane protein. KSPWFTTL TFA can restore susceptibility of a tumor line to anti-AKR/Gross MuLV cytotoxic T lymphocytes[1][2].

In Vitro

KSPWFTTL TFA is derived from the retroviral p15 TM envelope protein. The cytolytic T-lymphocyte (CTL)-insusceptible, variant cl.18-5 clonal line, after pulsed with the KSPWFTTL TFA peptide, becomes susceptible to lysis by antiviral CTL[2].

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

Molecular Weight

1093.15

Formula

C50H71F3N10O14

Appearance

Solid

Color

White to off-white

Sequence

Lys-Ser-Pro-Trp-Phe-Thr-Thr-Leu

Sequence Shortening

KSPWFTTL

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 : 66.67 mg/mL (60.99 mM; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 0.9148 mL 4.5739 mL 9.1479 mL
5 mM 0.1830 mL 0.9148 mL 1.8296 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 (91.48 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 0.9148 mL 4.5739 mL 9.1479 mL 22.8697 mL
5 mM 0.1830 mL 0.9148 mL 1.8296 mL 4.5739 mL
10 mM 0.0915 mL 0.4574 mL 0.9148 mL 2.2870 mL
15 mM 0.0610 mL 0.3049 mL 0.6099 mL 1.5246 mL
20 mM 0.0457 mL 0.2287 mL 0.4574 mL 1.1435 mL
25 mM 0.0366 mL 0.1830 mL 0.3659 mL 0.9148 mL
30 mM 0.0305 mL 0.1525 mL 0.3049 mL 0.7623 mL
40 mM 0.0229 mL 0.1143 mL 0.2287 mL 0.5717 mL
50 mM 0.0183 mL 0.0915 mL 0.1830 mL 0.4574 mL
60 mM 0.0152 mL 0.0762 mL 0.1525 mL 0.3812 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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Product Name:
KSPWFTTL TFA
Cat. No.:
HY-P3333A
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