Reliable cell culture product that gets frequent use
T3924
Trypsin-EDTA solution
1 ×, sterile; sterile-filtered, BioReagent, suitable for cell culture, 0.5 g porcine trypsin and 0.2 g EDTA, 4Na per liter of Hanks′ Balanced Salt Solution with phenol red
Trypsin-EDTA solution
1 of 2 reviewers received a sample product or took part in a promotion
Synonym(s):
Cell dissociation enzyme
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biological source
Porcine
sterility
sterile; sterile-filtered
product line
BioReagent
form
solution
mol wt
23.4 kDa
concentration
1 ×
technique(s)
cell culture | mammalian: suitable
single cell analysis: suitable
impurities
Porcine parvovirus, none detected (9 CFR)
pH
7.0-9.0
shipped in
dry ice
storage temp.
−20°C
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1 of 4
This Item | T4049 | T4174 | T4299 |
|---|---|---|---|
| biological source Porcine | biological source Porcine | biological source Porcine | biological source Porcine pancreas |
| technique(s) cell culture | mammalian: suitable, single cell analysis: suitable | technique(s) cell culture | mammalian: suitable, single cell analysis: suitable | technique(s) cell culture | mammalian: suitable | technique(s) cell culture | mammalian: suitable |
| concentration 1 × | concentration 0.25% | concentration 10 × | concentration 1 × |
| form solution | form solution | form solution | form solution |
| shipped in dry ice | shipped in dry ice | shipped in dry ice | shipped in dry ice |
| sterility sterile; sterile-filtered | sterility sterile-filtered | sterility sterile-filtered | sterility sterile-filtered |
Application
The typical use for this product is in removing adherent cells from a culture surface. The concentration of trypsin necessary to dislodge cells from their substrate is dependent primarily on the cell type and the age of the culture.
Suitable for use in preparation of single cell suspension for sequencing.
Suitable for use in preparation of single cell suspension for sequencing.
Biochem/physiol Actions
Trypsin cleaves peptides on the C-terminal side of lysine and arginine residues. The rate of hydrolysis of this reaction is slowed if an acidic residue is on either side of the cleavage site and hydrolysis is stopped if a proline residue is on the carboxyl side of the cleavage site. The optimal pH for trypsin activity is 7-9. Trypsin can also act to cleave ester and amide linkages of synthetic derivatives of amino acids. EDTA is added to trypsin solutions as a chelating agent that neutralizes calcium and magnesium ions that obscure the peptide bonds on which trypsin acts. Removing these ions increases the enzymatic activity.
Serine protease inhibitors, including DFP, TLCK, APMSF, AEBSEF, and aprotinin, amongst others, will inhibit Trypsin.
Serine protease inhibitors, including DFP, TLCK, APMSF, AEBSEF, and aprotinin, amongst others, will inhibit Trypsin.
Preparation Note
This product does contain phenol red. Due to shipment on dry ice, there could be significant carbon dioxide buildup in the package. This CO2 may enter the solution and lower the pH slightly, giving an orange rather than pinkish color. The orange solution will still be suitable for use, or the pH can be adjusted with sodium hydroxide. Incubating cells with too high a trypsin concentration for a long period can damage cell membranes and kill the cells. Solubilizing trypsin or diluting it from a concentrated solution should be done with a buffered salt solution containing no Ca2+ or Mg2+.
Other Notes
Trypsin consists of a single chain polypeptide of 223 amino acid residues, produced by the removal of the N-terminal hexapeptide from trypsinogen which is cleaved at the Lys - lle peptide bond. The sequence of amino acids is cross-linked by 6 disulfide bridges. This is the native form of trypsin, beta-trypsin. BETA-trypsin can be autolyzed, cleaving at the Lys - Ser residue, to produce alpha-trypsin. Trypsin is a member of the serine protease family.
Disclaimer
This product is stored frozen between -10 and -40°C. Repeated cycles of freezing and thawing should be avoided.
related product
Product No.
Description
Pricing
Storage Class Code
12 - Non Combustible Liquids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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