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  4. Biotin-TAT (47-57)

Biotin-TAT (47-57), a biotin tagged TAT, is a transactivator of transcription. Biotin-TAT (47-57) is one of the most widely used protein transduction domains (PTDs) into different primary cells is ATP- and temperature-dependent, indicating the involvement of endocytosis.

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Biotin-TAT (47-57) Chemical Structure

Biotin-TAT (47-57) Chemical Structure

CAS No. : 1231898-25-1

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Based on 1 publication(s) in Google Scholar

Biotin-TAT (47-57) Related Antibodies

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Description

Biotin-TAT (47-57), a biotin tagged TAT, is a transactivator of transcription. Biotin-TAT (47-57) is one of the most widely used protein transduction domains (PTDs) into different primary cells is ATP- and temperature-dependent, indicating the involvement of endocytosis[1][2].

Molecular Weight

1786.12

Formula

C74H132N34O16S
CAS No.
Appearance

Solid

Color

White to off-white

Sequence Shortening

{Biotin}-YGRKKRRQRRR
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Sealed storage, away from moisture and light, under nitrogen

Powder -80°C 2 years
-20°C 1 year

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

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
References
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Biotin-TAT (47-57) Related Classifications

  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

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

Mass   Concentration   Volume   Molecular Weight *
= × ×

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:

Biotin-TAT (47-57)1231898-25-1Fluorescent DyeInhibitorinhibitorinhibit

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