Recombinant Cynomolgus Aminopeptidase PILS/ARTS1 Protein, CF

Name: Recombinant Cynomolgus Aminopeptidase PILS/ARTS1 Protein, CF
Brand: R&D Systems
SKU: 10237-ZN

Catalog # 10237-ZN

Product Datasheet / COA / SDS

His-tag

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Key Product Details

Source:	CHO
Accession #:	XP_005557484
Applications:	Enzyme Activity

View Full Technical Details for Recombinant Cynomolgus Aminopeptidase PILS/ARTS1 Protein, CF

Product Specifications

Source	Chinese Hamster Ovary cell line, CHO-derived cynomolgus monkey Aminopeptidase PILS/ARTS1 protein Ala37-Leu941 with a C-terminal 6-His tag
Purity	>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin level	<0.10 EU per 1 μg of the protein by the LAL method.
N-terminal sequence Analysis	Ala37
Predicted Molecular Mass	104 kDa
SDS-PAGE	95-107 kDa, under reducing conditions
Activity	Measured by its ability to cleave the fluorogenic peptide substrate, Leu-AMC. The specific activity is >800 pmol/min/μg, as measured under the described conditions.

Recombinant Cynomolgus Aminopeptidase PILS/ARTS1 Protein, CF Scientific Data Examples

	Recombinant Cynomolgus Aminopeptidase PILS/ARTS1 Protein Enzyme Activity Recombinant Cynomolgus Monkey Aminopeptidase PILS/ARTS1 His-tag (Catalog # 10237-ZN) is measured by its ability to cleave the fluorogenic peptide substrate, Leu-AMC.
	Recombinant Cynomolgus Aminopeptidase PILS/ARTS1 Protein SDS-PAGE 2 μg/lane of Recombinant Cynomolgus Monkey Aminopeptidase PILS/ARTS1 His-tag was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing a band under reducing conditions at 101 kDa.

Formulation, Preparation and Storage

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

10237-ZN

Formulation	Supplied as a 0.2 μm filtered solution in Tris, NaCl and Glycerol.
Shipping	The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage:	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 6 months from date of receipt, -20 to -70 °C as supplied. 3 months, -20 to -70 °C under sterile conditions after opening.

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Background: Aminopeptidase PILS/ARTS1

ARTS1 encodes a zinc-dependent metalloprotease (1) known as aminopeptidase PILS (Puromycin-Insensitive Leucyl-Specific), ALAP (adipocyte-derived leucine aminopeptidase), TNFR (type 1 tumor necrosis factor receptor) shedding aminopeptidase regulator, or ERAP1 (endoplasmic reticulum aminopeptidase 1). ARTS1 is widely expressed and known to be present in the endoplasmic reticulum. The protein has four domains with a large cavity between domain II and IV that can accommodate large peptide substrates; the second domain contains the active site and the first domain caps the active site and provides binding sites for the amino terminus of the substrate peptides (2). The enzyme has a unique substrate preference amongst the M1-family of aminopeptidases for longer peptides of up to 16 residues (3, 4) that is consistent with its ability to trim antigen precursors for MHC class 1 presentation (5). Variants and polymorphisms identified in ARTS-1 have linked it to autoimmune disease (6), cancer (7), and hypertension (8). ARTS-1 has been shown to be secreted (9, 10) and cause activation of inflammasome and cathepsin B pathways (11) and consequently to have a direct role in innate immunity and contribute to autoinflammatory and autoimmune diseases (12). ARTS-1 is consequently a potential therapeutic target (12-14).

Item	Value
References	Schomburg, L. (2004) in Handbook of Proteolytic Enzymes (ed. Barrett, et al.) pp. 311, Academic Press, San Diego. Nguyen, T. T. et al. (2011) Nat. Struct. Mol. Biol. 18:604. York, I. A. et al. (2002) Nat. Immunol. 3:1177. Chang, S. C. et al. (2005) Proc. Nat. Acad. Sci. U.S.A. 102:17107. Serwold, T. et al. (2002) Nature 419:480. Fung, E. Y. et al. (2009) Genes Immun. 10:188. Mehta, A. M. et al. (2009) Genes Chromosomes Cancer 48:410. Yamamoto, N. et al. (2002) Hum. Mutat. 19:251. Cui, X. et al. (2002) J. Clin. Invest. 110:515. Goto, Y. et al. (2011) J. Biol. Chem. 286:21906. Aldhamen, Y. A. et al. (2015) J. Innate Immun. 7:275. Pepelyayeva, Y. and A. Amalfitano. (2019) Hum. Immunol. 80:302. Koumantou, D. et al. (2019) Cancer Immunol. Immunother. 68:1245. Georgiadis, D. et al. (2018) Curr. Med. Chem. [Epub ahead of print]
Long Name	Aminopeptidase Puromycin-insensitive Leucyl-specific
Entrez Gene IDs	51752 (Human); 80898 (Mouse); 102146570 (Cynomolgus Monkey)
Alternate Names	A-LAP, A-LAPALAP, ARTS-1PILSAP, ARTS1, ARTS1aminopeptidase regulator of TNFR1 shedding, Adipocyte-derived leucine aminopeptidase, Aminopeptidase PILS, EC 3.4.11, EC 3.4.11.-, EC 3.4.11.1, ERAAP1, ERAP1, KIAA0525APPILS, PILS-AP, PILS-APERAAP, Puromycin-insensitive leucyl-specific aminopeptidase, Type 1 tumor necrosis factor receptor shedding aminopeptidase regulator, endoplasmic reticulum aminopeptidase 1, endoplasmic reticulum aminopeptidase associated with antigen processing

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