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N-Succinyl-Ala-Ala-Pro-Phe p-nitroanilide

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N-Succinyl-L-alanyl-L-alanyl-L-prolyl-L-phenylalanine 4-nitroanilide, N-Succinyl-Ala-Ala-Pro-Phe-pNA
Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
MDL number:
PubChem Substance ID:

Quality Level

storage temp.


SMILES string




InChI key


Gene Information

human ... FKBP10(60681)

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Amino Acid Sequence



N-Succinyl-Ala-Ala-Pro-Phe p-nitroanilide has been used as a substrate to determine chymotrypsin activity.
N-Succinyl-Ala-Ala-Pro-Phe p-nitroanilide has been used:
  • as a substrate for cathepsin G assay in bone marrow lysates.
  • in proteolytic activity assay of serine protease subtilisin carlsberg (SC).
  • as a substrate for neutrophil elastase, trypsin and chymotrypsin in protease assay.

Biochem/physiol Actions

N-succinyl-Ala-Ala-Pro-Phe p-nitroanilide is a substrate for subtilisin and proteases.


N-Succinyl-Ala-Ala-Pro-Phe p-nitroanilide is a colorimetric substrate for chymotrypsin, human leukocyte cathepsin G and peptidyl prolyl isomerase.

related product

Product No.

Storage Class Code

11 - Combustible Solids



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Improved Enantioselectivity of Subtilisin Carlsberg towards Secondary Alcohols by Protein Engineering
Dorau R, et al.
Chembiochem, 19(4), 338-346 (2018)
Jolanda Neef et al.
Microbial cell factories, 16(1), 57-57 (2017-04-06)
The microbial cell factory Bacillus subtilis is a popular industrial platform for high-level production of secreted technical enzymes. Nonetheless, the effective secretion of particular heterologous enzymes remains challenging. Over the past decades various studies have tackled this problem, and major
J J Siekierka et al.
Nature, 341(6244), 755-757 (1989-10-26)
CYCLOSPORIN A and the newly discovered immunosuppressant, FK-506, are potent inhibitors of T cell activation. In addition to their clinical importance in the prevention of allograft rejection, cyclosporin A and FK-506 represent important reagents for the study of the molecular
Zinc oxide-montmorillonite hybrid influences diarrhea, intestinal mucosal integrity, and digestive enzyme activity in weaned pigs.
Hu C
Biological trace element research, 149(2), 190-196 (2012)
Marco Bonelli et al.
International journal of molecular sciences, 21(14) (2020-07-17)
Modulation of nutrient digestion and absorption is one of the post-ingestion mechanisms that guarantees the best exploitation of food resources, even when they are nutritionally poor or unbalanced, and plays a pivotal role in generalist feeders, which experience an extreme


Analytical Enzyme Chymotrypsin: Chymotrypsin is produced in the acinar cells of the pancreas as the inactive precursor, chymotrypsinogen.

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