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L9125

Sigma-Aldrich

L-Leucine-p-nitroanilide

leucine aminopeptidase substrate, chromogenic, ≥98% (TLC), powder

Synonym(s):

L-Leucine-4-nitroanilide

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About This Item

Empirical Formula (Hill Notation):
C12H17N3O3
CAS Number:
4178-93-2
Molecular Weight:
251.28
Beilstein:
2218433
EC Number:
224-047-3
MDL number:
MFCD00063681
UNSPSC Code:
12352204
PubChem Substance ID:
24896516
NACRES:
NA.32

product name

L-Leucine-p-nitroanilide, leucine aminopeptidase substrate

Assay

≥98% (TLC)

form

powder

solubility

ethanol: 50 mg/mL

storage temp.

2-8°C

SMILES string

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

InChI

1S/C12H17N3O3/c1-8(2)7-11(13)12(16)14-9-3-5-10(6-4-9)15(17)18/h3-6,8,11H,7,13H2,1-2H3,(H,14,16)/t11-/m0/s1

InChI key

AXZJHDNQDSVIDR-NSHDSACASA-N

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Application

L-Leucine-p-nitroanilide has been used as substrate
  • for the determination of intestinal leucine aminopeptidase activity of juvenile rainbow trout (Oncorhynchus mykiss)
  • in insulin-regulated aminopeptidase inhibition assay
  • for determining exopeptidase activity

Substrates

Substrate for the colorimetric determination of leucine aminopeptidase.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H317,H319

Hazard Classifications

Eye Irrit. 2 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

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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C Toma et al.
Infection and immunity, 64(11), 4495-4500 (1996-11-01)
The structural gene for the Vibrio cholerae leucine aminopeptidase (lap) was cloned and sequenced. The cloned DNA fragment contained a 1,503-bp open reading frame potentially encoding a 501-amino-acid polypeptide with a calculated molecular mass of 54,442 Da. The deduced amino
Pablo Emiliano Cantón et al.
Frontiers in physiology, 10, 1553-1553 (2020-01-24)
Nezara viridula is a polyphagous stink bug that feeds on crops of economic importance such as corn, soybean and cotton. To increase understanding of the ability of this pest insect to feed on such diverse cropping systems, we analyzed the
Antioxidant response and body composition of whiteleg shrimp co-cultured with Nile tilapia in recirculating aquaculture
Sharawy ZZ, et al.
Aquaculture Environment Interactions, 9(3), 257-268 (2017)
Effects of fish meal replacement with meat and bone meal using garlic (Allium sativum) powder on growth, feeding, digestive enzymes and apparent digestibility of nutrients and fatty acids in juvenile rainbow trout (Oncorhynchus mykiss Walbaum, 1792)
Esmaeili M, et al.
Aquaculture Nutrition, 23(6), 1225-1234 (2017)
W Bawab et al.
The Biochemical journal, 286 ( Pt 3), 967-975 (1992-09-15)
Aminopeptidase activities were identified in extracts of kidney, ovotestis, head ganglia, heart and haemolymph of Aplysia californica. These enzyme preparations hydrolysed [3H][Leu]enkephalin at the Try-1-Gly-2 bond as determined by h.p.l.c. analysis of cleavage products. In all these tissues, enkephalin-degrading aminopeptidase
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