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S4760

Sigma-Aldrich

N-Succinyl-Ala-Ala-Ala-p-nitroanilide

elastase substrate

Synonym(s):

N-Succinyl-L-alanyl-L-alanyl-L-alanine 4-nitroanilide, N-Succinyl-tri-L-alanine 4-nitroanilide

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About This Item

Empirical Formula (Hill Notation):
C19H25N5O8
CAS Number:
Molecular Weight:
451.43
Beilstein:
2928351
EC Number:
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.32

Quality Level

Assay

≥98% (HPLC)

form

powder

solubility

DMF: 25 mg/mL, clear, colorless to light yellow

storage temp.

2-8°C

SMILES string

C[C@H](NC(=O)CCC(O)=O)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)Nc1ccc(cc1)[N+]([O-])=O

InChI

1S/C19H25N5O8/c1-10(20-15(25)8-9-16(26)27)17(28)21-11(2)18(29)22-12(3)19(30)23-13-4-6-14(7-5-13)24(31)32/h4-7,10-12H,8-9H2,1-3H3,(H,20,25)(H,21,28)(H,22,29)(H,23,30)(H,26,27)/t10-,11-,12-/m0/s1

InChI key

GVUGADOWXGKRAE-SRVKXCTJSA-N

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General description

N-Succinyl-Ala-Ala-Ala-p-nitroanilide is a chromogenic substrate for chymotrypsin-like serine protease, pancreatic elastase and serine endopeptidase.

Application

N-Succinyl-Ala-Ala-Ala-p-nitroanilide has been used as a substrate
  • for screening elastase activity in lyophilized earthworm fibrinolytic enzymes
  • for quantifying elastase activity in sheep milk
  • in screening honeybee inhibitors in serine protease inhibition assay

Substrates

Elastase substrate.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Role of endogenous enzymes in proteolysis of sheep milk
Albenzio M, et al.
Journal of Dairy Science, 92(1), 79-86 (2009)
Ning Xu et al.
Frontiers in microbiology, 8, 1834-1834 (2017-10-07)
During parasite infection, serine protease inhibitors secreted by parasites play important roles in suppressing host defenses. However, the mechanism of immune regulation is unclear. In this study, a serpin gene from
Ulvi Kahraman Gürsoy et al.
Pathogens (Basel, Switzerland), 9(9) (2020-09-19)
Aim was to profile salivary total protease, Porphyromonas gingivalis gingipain, and neutrophil elastase activities in relation to the resolution of periodontal inflammation, salivary macrophage-derived chemokine (MDC), and macrophage inflammatory protein-1α concentrations. Nonsurgical periodontal treatment was performed in 24 periodontitis patients
V J Uitto et al.
Journal of clinical periodontology, 23(1), 30-37 (1996-01-01)
The study was designed to find out whether oral elastase activity could be used as a simple biochemical indicator of periodontal health. Both stimulated whole saliva and water rinse samples were collected from subjects with different degrees of adult periodontitis
SEP-1-a subtilisin-like serine endopeptidase from germinated seeds of Hordeum vulgare L. cv. Morex
Fontanini D and Jones BL
Planta, 215(6), 885-893 (2002)

Articles

Enzyme Explorer Product Application Index for Elastase. Leukocyte elastase is a 29KDa serine endoprotease of the Proteinase S1 Family. It exists as a single 238 amino acid-peptide chain with four disulfide bonds.

Protocols

Enzymatic Assay of Elastase (EC 3.4.21.36), a continuous spectrophotometric rate determination.

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