TRYPSEQM-RO
Roche
Trypsin Sequencing Grade, modified
from bovine pancreas
Synonyma:
Trypsin
Přihlásitk zobrazení cen stanovených pro organizaci a smluvních cen
About This Item
Doporučené produkty
biological source
bovine pancreas
Quality Level
grade
protein sequencing grade
form
lyophilized (salt-free)
mol wt
24.000 g/mol
packaging
pkg of 4 × 100 μg (11418033001)
pkg of 4 × 25 μg (11418025001)
manufacturer/tradename
Roche
storage condition
(Keep container tightly closed in a dry and well-ventilated place.)
concentration
0.01-0.2 % (w/w)
technique(s)
protein sequencing: suitable
impurities
Chymotrypsin
color
white
optimum pH
8.0
solubility
10 g/L
suitability
suitable for protein modification
UniProt accession no.
application(s)
life science and biopharma
foreign activity
Contaminating activities corresponds
Chymotrypsin , contains
storage temp.
2-8°C
Gene Information
cow ... PRSS1(780933)
Související kategorie
General description
Trypsin Sequencing Grade, modified, is isolated from bovine pancreas as a highly purified and specific protease, and subsequently modified.
Trypsin is a highly efficient and specific protease widely used in proteomics for protein digestion. It produces short peptides with specific characteristics that are compatible with current separation and identification methods such as liquid chromatography, mass spectrometry (MS).
Inhibitors: TLCK, DFP, PMSF, leupeptin, soybean trypsin inhibitor, trypsin inhibitor from hen egg, aprotinin, α2-macroglobulin,α1-antitrypsin, APMSF, and antipain.
Trypsin is a highly efficient and specific protease widely used in proteomics for protein digestion. It produces short peptides with specific characteristics that are compatible with current separation and identification methods such as liquid chromatography, mass spectrometry (MS).
Inhibitors: TLCK, DFP, PMSF, leupeptin, soybean trypsin inhibitor, trypsin inhibitor from hen egg, aprotinin, α2-macroglobulin,α1-antitrypsin, APMSF, and antipain.
Specificity
Trypsin is a serine endopeptidase. At pH 7.5–9, it specifically hydrolyzes proteins and peptide bonds C-terminally of Iysine and arginine. Amide and ester bonds of Arg and Lys are also cleaved. The specificity of Trypsin Sequencing Grade, modified, is verified with the oxidized B-chain of insulin (insulin Box) as a substrate. High concentrations of Trypsin Sequencing Grade, modified, one part by weight enzyme with 9 parts by weight insulin Box, are incubated for 18 hours to detect traces ofchymotrypsin impurities.
Application
Use Trypsin Sequencing Grade, modified, to generate glycopeptides from purified glycoproteins.
It is used for:
It is used for:
- Protein-structure elucidation
- Tryptic mapping
- Fingerprinting analysis
- Sequence analysis
- Translocation studies
- Protein identification
- Protein digestion during lipoprotein preparation for liquid chromatography-tandem mass spectrometry (LC-MS/MS)
Quality
Purity: Free of impurities that may interfere with the separation of peptides in reversed-phase HPLC.
Preparation Note
Working concentration: 1/100 to 1/5 of the protein by weight
Storage conditions (working solution): -15 to -25 °C
Trypsin Sequencing Grade, modified, is more resistant to autolysis, even at pH values in the neutral and weakly basic range. The enzyme can be used in high concentrations.
A solution in 1% acetic acid or 1 mM HCI can be used for up to one week when stored at 2 to 8° C. Stored in aliquots at -15 to -25 °C, the solution is stable for at least one year without loss of activity.
Storage conditions (working solution): -15 to -25 °C
Trypsin Sequencing Grade, modified, is more resistant to autolysis, even at pH values in the neutral and weakly basic range. The enzyme can be used in high concentrations.
A solution in 1% acetic acid or 1 mM HCI can be used for up to one week when stored at 2 to 8° C. Stored in aliquots at -15 to -25 °C, the solution is stable for at least one year without loss of activity.
Storage and Stability
Store dry
Other Notes
For life science research only. Not for use in diagnostic procedures.
signalword
Danger
Hazard Classifications
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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