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A6279

Aprotinin

3-7 TIU/mg protein, saline solution

Synonym(s):

BPTI, Bovine pancreatic trypsin inhibitor, Trasylol, Trypsin inhibitor (basic)

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5 mL
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$268.00
10 mL
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$407.00
50 mL
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$1,320.00
5 x 10 mL
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About This Item

Empirical Formula (Hill Notation):
C284H432N84O79S7
CAS Number:
9087-70-1
Molecular Weight:
6511.44
UNSPSC Code:
12352202
NACRES:
NA.77
MDL number:
MFCD00130541
eCl@ss:
32190102

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Product Name

Aprotinin from bovine lung, saline solution, 3-7 TIU/mg protein

biological source

bovine

Quality Segment

sterility

aseptically filled

form

saline solution

specific activity

3-7 TIU/mg protein

mol wt

~6,500

input

mammalian sample(s)

solubility

H2O: soluble >10 mg/mL

UniProt accession no.

storage temp.

2-8°C

SMILES string

S1SCC2NC(=O)CNC(=O)CNC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C5NC(=O)C(NC(=O)CNC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C9N(CCC9)C(=O)CNC(=O)C(NC(=O)C(NC(=O)C%11N(CCC%11)C(=O

InChI

1S/C284H432N84O79S7/c1-21-144(9)222-271(439)337-174(68-46-105-309-282(300)301)239(407)340-187(120-160-77-85-164(374)86-78-160)251(419)341-185(116-156-55-29-24-30-56-156)250(418)342-188(121-161-79-87-165(375)88-80-161)252(420)346-191(123-208(291)378)246(41

InChI key

ZPNFWUPYTFPOJU-UHFFFAOYSA-N

Gene Information

cow ... PTI(404172)

General description

Aprotinin is a 58 amino acid-long protein, with a calculated molecular weight of 6512 Da, that acts as a serine protease inhibitor. Known also as bovine pancreatic trypsin inhibitor (BPTI), aprotinin inhibits serine proteases such as chymotrypsin, kallikrein, plasmin and trypsin.

Application

Aprotinin is largely used as an inhibitor of trypsin.

Biochem/physiol Actions

Aprotinin is a competitive serine protease inhibitor that forms stable complexes with and blocks the active sites of enzyme. This binding is reversible, and most aprotinin-protease complexes will dissociate at extreme pH levels >10 or <3. Structurally, Aprotinin is a monomeric globular protein derived from bovine lung that consists of 58 amino acids, arranged in a single polypeptide chain with three crosslinking disulfide bridges.

Preparation Note

This product is an aseptically filled solution in 0.9% NaCl and 0.9% benzyl alcohol. It has an activity of 3-7 TIU/mg protein and 3-21 TIU/mL solution.

Other Notes

One Trypsin Inhibitor Unit (TIU) will decrease the activity of two trypsin units by 50%, where one trypsin unit will hydrolyze 1.0 μmole of N-alpha-benzoyl-DL-arginine p-nitroanilide per minute at pH 7.8 and 25°C. Another commonly used unit is the KIU, with 1 TIU = 1,300 KIU.

Disclaimer

Aprotinin products should be stored at 2-8°C.

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Sigma-Aldrich

SRE0078

Aprotinin from bovine lung

description

saline solution, 3-7 TIU/mg protein

description

BioUltra, 3-8 TIU/mg solid, ≥98% (SDS-PAGE)

description

lyophilized powder, 3-7 TIU/mg solid

description

lyophilized powder, ≥3 TIU/mg solid

biological source

bovine

biological source

bovine lung

biological source

bovine lung

biological source

bovine lung

Gene Information

cow ... PTI(404172)

Gene Information

cow ... PTI(404172)

Gene Information

cow ... PTI(404172)

Gene Information

-

Quality Level

300

Quality Level

300

Quality Level

300

Quality Level

400

form

saline solution

form

powder

form

lyophilized powder

form

lyophilized powder

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

solubility

H2O: soluble >10 mg/mL

solubility

H2O: 5 mg/mL, clear to very slightly hazy

solubility

H2O: >10 mg/mL

solubility

water: 5 mg/mL

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