A1153 Sigma

Aprotinin from bovine lung

lyophilized powder, 3-8 TIU/mg solid

Synonym: Trasylol, Trypsin inhibitor (basic)

Description

Frequently Asked Questions

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Analysis Note

Another commonly used unit of activity is the KIU (Kallikrein Inhibitor Unit).
1 TIU ∼ 1,300 KIU.

Unit Definition

One trypsin inhibitor unit (TIU) will decrease the activity of 2 trypsin units by 50% where one trypsin unit will hydrolyze 1.0 μmole of N-α-benzoyl-DL-arginine p-nitroanilide (BAPNA) per min at pH 7.8 at 25 °C.

General description

Aprotinin is a protein consisting of 58 amino acids, arranged in a single polypeptide chain that is crosslinked by three disulfide bridges.

Price and Availability

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