2. Membrane Transporter/Ion Channel
  3. Calmodulin
  4. Stains-All

Stains-All, a cationic carbocyanine dye, is a convenient probe to study the structural features of the individual calcium-binding sites of calmodulin (CaM) and related calcium-binding proteins (CaBP).

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

Stains-All Chemical Structure

Stains-All Chemical Structure

CAS No. : 7423-31-6

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10 mM * 1 mL in DMSO
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Based on 1 publication(s) in Google Scholar

Stains-All Related Antibodies

Top Publications Citing Use of Products

  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

  • Customer Review

Description

Stains-All, a cationic carbocyanine dye, is a convenient probe to study the structural features of the individual calcium-binding sites of calmodulin (CaM) and related calcium-binding proteins (CaBP)[1][2].

In Vitro

Almost all of the proteins found in skeletal muscle extracts, including the Ca2++Mg2+-ATPase and the 53,000-Da glycoprotein of the sarcoplasmic reticulum, are stained red or pink with Stains-all. Calsequestrin, the 1 60,000-Da glycoprotein, and 170,000-Da protein are stained blue with Stains-all. The ratio of Stains-all staining (measured at 615 nm) to that of Coomassie blue staining (measured at 575 nm) is 1.3 for calsequestrin, 2.0 for calmodulin, 1.4 for troponin C, and 2.2 for S-100. Therefore, in addition to differentially staining these Ca2+-binding proteins blue, Stains-all is a more sensitive stain for these Ca2+-binding proteins than is Coomassie blue[3].

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

Stains-All Related Antibodies
Molecular Weight

559.58

Formula

C30H27BrN2S2
CAS No.
Appearance

Solid

Color

Brown to black

SMILES

CC(/C=C1SC2=CC=C3C=CC=CC3=C2N\1CC)=C\C4=[N+](CC)C5=C6C=CC=CC6=CC=C5S4.[Br-]
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, sealed storage, away from moisture and light

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

Solvent & Solubility
In Vitro: 

DMSO : 8.33 mg/mL (14.89 mM; ultrasonic and warming and heat to 80°C; 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 1.7871 mL 8.9353 mL 17.8705 mL
5 mM 0.3574 mL 1.7871 mL 3.5741 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 and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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

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

This equation is commonly abbreviated as: C1V1 = C2V2

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In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
Purity & Documentation

Purity: 99.91%

COA (252 KB) HNMR (199 KB) LCMS (119 KB)

Handling Instructions (2659 KB)
References
Kinase Assay
[1]

Slab gels are fixed overnight with 25% isopropyl alcohol and washed exhaustively in 25% isopropyl alcohol to remove SDS. The gels are then stained in the dark for at least 48 h with 0.0025% Stains-all, 25% isopropyl alcohol, 7.5% formamide, and 30 mM Tris base, pH 8.8. The interaction of Stains-all with various Ca2+-binding proteins is also studied in aqueous solution. The standard solution contains 10 mM Tris base, pH 8.8, 0.001% Stains-all, and 0.1% formamide. Ca2+-binding proteins (0.5 to 12 μg) are added to 1.0 mL of solution and then incubated at room temperature in the dark for 30 min. The absorbance at 600 nm is then measured against a control solution, containing no protein, using a spectrophotometer[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
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 and light). 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 1.7871 mL 8.9353 mL 17.8705 mL 44.6764 mL
5 mM 0.3574 mL 1.7871 mL 3.5741 mL 8.9353 mL
10 mM 0.1787 mL 0.8935 mL 1.7871 mL 4.4676 mL
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Stains-All 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:

Stains-All7423-31-6CalmodulinCaMCalcium-modulated proteincationiccarbocyaninedyestaincalcium-mimicInhibitorinhibitorinhibit

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