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Merck
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Key Documents

T4549

Sigma-Aldrich

Trypsin solution from porcine pancreas

sterile-filtered, BioReagent, suitable for cell culture, 25 g porcine trypsin per liter in 0.9% sodium chloride

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About This Item

CAS Number:
효소 위원회 번호:
MDL number:
UNSPSC 코드:
12352204
NACRES:
NA.75

생물학적 소스

Porcine

Quality Level

무균

sterile-filtered

제품 라인

BioReagent

형태

solution

분자량

23.4 kDa

기술

cell culture | mammalian: suitable

pH

7.6

배송 상태

dry ice

저장 온도

−20°C

유사한 제품을 찾으십니까? 방문 제품 비교 안내

애플리케이션

For trypsin digestion of peptides, use a ratio of about 1:100 to 1:20 for trypsin:peptide. 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. Trypsins have also been used for the re-suspension of cells during cell culture, in proteomics research for digestion of proteins and in various in-gel digestions. Additional applications include assessing crystallization by membrane-based techniques and in a study to determine that protein folding rates and yields can be limited by the presence of kinetic traps.

생화학적/생리학적 작용

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.

주의사항

This product should be stored frozen at -20°C.

단위 정의

One BAEE unit will produce a A253 of 0.001 per minute at pH 7.6 at 25°C using BAEE as a substrate.

제조 메모

This is 25 g/L porcine trypsin solution in 0.9% sodium chloride.

픽토그램

Health hazardExclamation mark

신호어

Danger

유해 및 위험 성명서

Hazard Classifications

Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3

표적 기관

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


시험 성적서(COA)

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