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PRO-770 Trypsin Human/重组人胰蛋白酶

点击次数:177发布时间:2012/7/18 15:14:29

PRO-770 Trypsin Human/重组人胰蛋白酶

更新日期:2024/10/16 15:58:55

所 在 地:美洲

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简单介绍:厦门慧嘉生物长期专业销售PRO-770 Trypsin Human/重组人胰蛋白酶\Santa\Abcam\ Cst\jackson\Pierce\Sigma\Amresco\Qiagen\Cayman \abnova\millipore\invitrogen\merk\ebioscience\prospec\peprotech细胞因子特价专供

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Trypsin Human/重组人胰蛋白酶

产品编号:PRO-770
产品规格:1mg/5mg/50mg
 
 

Introduction

Trypsin (EC3.4.21.4) is part of the serine protease family. Trypsin cleaves lysine and arginine at the C-terminal side of the peptide. The hydrolysis rate is slower if an acidic residue is on either sides of the cleavage site and no cleavage occurs if a proline residue is on the carboxyl side of the cleavage site. Trypsin optimum pH is pH-7 to 9. Trypsin will also hydrolyze ester and amide linkages of synthetic derivatives of amino acids such as: benzoyl L-arginine ethyl ester (BAEE), p-toluenesulfonyl- L-arginine methyl ester (TAME), tosyl-L-arginine methyl ester, N-α-benzoyl-L-arginine p-nitroanilide (BAPNA), L-lysyl-p-nitroanilide, and benzoyl-L-tyrosine ethyl ester (BTEE). Serine protease inhibitors that inhibit recombinant trypsin include TLCK (N-p-tosyl-L-lysine chloromethyl ketone), PMSF (phenylmethanesulfonyl fluoride), benzamidine, soybean trypsin inhibitor, and ovomucoid.

Description

Recombinant Human Trypsin-2 is free from any animal and human sources. Recombinant Human Trypsin-2 expressed in E.Coli having a Mw of 24kDa is purified by standard chromatography techniques. Recombinant Human Trypsin-2 is free from foreign enzymes such as carboxypeptidase A & chymotrypsin. Recombinant Human Trypsin-2 is free from protease inhibitors such as PMSF and EDTA.

Source

Escherichia Coli.

Physical Appearance

Sterile Filtered lyophilized powder.

Formulation

The protein was lyophilized without 10mM Sodium Acetate buffer and 50mM NaCl.

Solubility

It is recommended to reconstitute the lyophilized Human Trypsin in sterile 18MΩ-cm H2O not less than 100μg/ml, which can then be further diluted to other aqueous solutions.

Stability

Recombinant Human Trypsin although stable at room temp for 1 week, should be stored desiccated below -18?C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.

Purity

Greater than 90% as determined by SDS-PAGE.

Unit Definition

One BAEE unit will produce a Delta A253 of 0.001 per minute in a reaction volume of 3.0ml at pH7.6 at 25?C (1cm light path). Trypsin digestion: suggested ratio (w:w) 1:20 to 1:1000 (Trypsin : Peptide).

Biological Activity

10,000 BAEE units/mg powder.

Usage

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

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