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Merck
CN

P3169

pGlu-Phe-Leu p-nitroanilide

protease substrate, ≥98% (TLC), powder

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About This Item

Empirical Formula (Hill Notation):
C26H31N5O6
CAS Number:
85901-57-1
Molecular Weight:
509.55
UNSPSC Code:
12352204
PubChem Substance ID:
24898399
NACRES:
NA.32
MDL number:
MFCD00080242

Key Documents

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Product Name

pGlu-Phe-Leu p-nitroanilide, protease substrate

SMILES string

CC(C)CC(NC(=O)C(Cc1ccccc1)NC(=O)C2CCC(=O)N2)C(=O)Nc3ccc(cc3)N(=O)=O

InChI

1S/C26H31N5O6/c1-16(2)14-21(25(34)27-18-8-10-19(11-9-18)31(36)37)29-26(35)22(15-17-6-4-3-5-7-17)30-24(33)20-12-13-23(32)28-20/h3-11,16,20-22H,12-15H2,1-2H3,(H,27,34)(H,28,32)(H,29,35)(H,30,33)

InChI key

NLVMZXVGZDVXDA-UHFFFAOYSA-N

assay

≥98% (TLC)

form

powder

solubility

ethanol: 10 mg/mL, clear, colorless to faintly yellow

storage temp.

−20°C

Quality Level

100

General description

Chromogenic substrate for thiol proteases such as papain, ficin and bromelain.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT5290
MKCP3275
MKCN5735
MKCK4642
MKCF1491

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Filippova IYu et al.
Analytical biochemistry, 143(2), 293-297 (1984-12-01)
L-Pyroglutamyl-L-phenylalanyl-L-leucine-p-nitroanilide (PFLNA)--a convenient chromogenic substrate for assay of thiol proteinases papain, ficin, and bromelain--was prepared by enzymatic synthesis with chymotrypsin as a catalyst. The thiol proteinases hydrolyze PFLNA with the liberation of p-nitroaniline, estimated spectrophotometrically by its absorbance at 410
Rim Hamza et al.
BMC plant biology, 18(1), 24-24 (2018-01-27)
Plants and insects have coexisted for million years and evolved a set of interactions which affect both organisms at different levels. Plants have developed various morphological and biochemical adaptations to cope with herbivores attacks. However, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)
Dalgys Martínez et al.
International journal of molecular sciences, 20(12) (2019-06-27)
The house dust mite (HDM) Dermatophagoides pteronyssinus is an important risk factor for asthma and rhinitis. Allergen specific immunotherapy that is based on recombinant proteins has been proposed for the safer and more efficient treatment of allergic diseases. The aim
Rim Hamza et al.
Bio-protocol, 8(17), e2993-e2993 (2018-09-05)
Enzymes play a key role in insect-plant relationships. For a better understanding of these interactions, we analyzed Tuta absoluta digestive enzymes. Here, we describe a detailed protocol for the detection of trypsin and papain-like enzymes in Tuta absoluta larvae by

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