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Recombinant Human Neprilysin (CHO-expressed) Protein, CF

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Product Details

Summary
Reactivity HuSpecies Glossary
Applications Enzyme Activity
Format
Carrier-Free

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Recombinant Human Neprilysin (CHO-expressed) Protein, CF Summary

Details of Functionality
Measured by its ability to cleave the fluorogenic peptide substrate, Mca-RPPGFSAFK(Dnp)-OH (Catalog # ES005). The specific activity is >1,500 pmol/min/µg, as measured under the described conditions.
Source
Chinese Hamster Ovary cell line, CHO-derived human Neprilysin/CD10 protein
Tyr52-Trp750 , with an N-terminal 6-His tag
Accession #
N-terminal Sequence
His
Protein/Peptide Type
Recombinant Enzymes
Gene
MME
Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Note
<1.0 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Enzyme Activity
Theoretical MW
81 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
102 kDa, reducing conditions
Publications
Read Publications using
1182-ZNC in the following applications:

Packaging, Storage & Formulations

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.
Buffer
Supplied as a 0.2 μm filtered solution in Tris, NaCl and ZnCl2.
Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Assay Procedure
  • Assay Buffer: 50 mM Tris, 0.05% Brij-35, pH 9.0
  • Recombinant Human Neprilysin (rhNeprilysin) (Catalog # 1182-ZNC)
  • Substrate: MCA-Arg-Pro-Pro-Gly-Phe-Ser-Ala-Phe-Lys(DNP)-OH (Catalog # ES005), Prepare 2 mM stock in DMSO
  • F16 Black Maxisorp Plate (Nunc, Catalog # 475515)
  • Fluorescent Plate Reader (Model: SpectraMax Gemini EM by Molecular Devices) or equivalent
  1. Dilute rhNeprilysin to 0.1 µg/mL in Assay Buffer.
  2. Dilute fluorogenic peptide Substrate to 20 µM in Assay Buffer.
  3. Load in a black well plate 50 µL of 0.1 µg/mL of rhNeprilysin (5 ng/well), and start the reaction by adding 50 µL of 20 µM Substrate. As a Substrate Blank combine 50 µL of Substrate and 50 µL of Assay Buffer.
  4. Read at excitation and emission wavelengths of 320 nm and 405 nm (top read), respectively in kinetic mode for 5 minutes.
  5. Calculate specific activity:
     Specific Activity (pmol/min/µg) =
Adjusted Vmax* (RFU/min) x Conversion Factor** (pmol/RFU)
amount of enzyme (µg)
     *Adjusted for Substrate Blank
     **Derived using calibration standard MCA-Pro-Leu-OH (Bachem, Catalog # M-1975) Per Well:
  • rhNeprilysin: 0.005 µg
  • Substrate: 10 µM

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human Neprilysin (CHO-expressed) Protein, CF

  • Atriopeptidase
  • CALLA
  • CALLAmembrane metallo-endopeptidase (neutral endopeptidase, enkephalinase)
  • CD10 antigen
  • CD10
  • CD10)
  • CD10membrane metallo-endopeptidase variant 1
  • Common acute lymphocytic leukemia antigen
  • DKFZp686O16152
  • EC 3.4.24
  • EC 3.4.24.11
  • Enkephalinase
  • EPN
  • Leu-19
  • membrane metallo-endopeptidase variant 2
  • membrane metallo-endopeptidase
  • MGC126681
  • MGC126707
  • MME
  • NEPmembrane metallo-endopeptidase (neutral endopeptidase, enkephalinase, CALLA
  • Neprilysin
  • Neutral Endopeptidase 24.11
  • Neutral endopeptidase
  • NKH1
  • SFE
  • Skin fibroblast elastase

Background

Neprilysin/CD10, also known as NEP and neutral endopeptidase 24.11, is a zinc metallopeptidase expressed at the cell surface of a variety of cells. The enzyme functions both as an endopeptidase with a thermolysin-like specificity and as a dipeptidylcarboxypeptidase. NEP has been shown to be involved in the degradation of enkephalins in the mammalian brain and the inactivation of circulating atrial natriuretic peptide (1, 2). NEP has also been identified as the common acute lymphocytic leukemia antigen (CALLA), and is expressed on the surface of lymphocytes in some disease states (3, 4). These and other observations have resulted in considerable interest in NEP as a target for analgesics and antihypertensive drugs. NEP is also a major degrading enzyme of amyloid beta  peptide (A beta ) in the brain, indicating that down-regulation of NEP activity, which could be caused by aging, can contribute to the development of Alzheimer’s disease by promoting A beta  accumulation (5).

  1. Malfroy, B. et al. (1978) Nature 276:523.
  2. Kenny, A.J. and Stephenson, S.L. (1988) FEBS Lett. 232:1.
  3. LeTarte, M. et al. (1988) J. Exp. Med. 168:1247.
  4. Shipp, M.A. et al. (1988) Proc. Natl. Acad. Sci. USA 85:4819.
  5. Itwata, N. et al. (2001) Science 292:1550.

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Publications for Neprilysin/CD10 (1182-ZNC)(6)

We have publications tested in 3 confirmed species: Human, Mouse, Virus.

We have publications tested in 3 applications: Bioassay, Cell Culture, Enzyme Assay.


Filter By Application
Bioassay
(4)
Cell Culture
(1)
Enzyme Assay
(1)
All Applications
Filter By Species
Human
(3)
Mouse
(1)
Virus
(1)
All Species
Showing Publications 1 - 6 of 6.
Publications using 1182-ZNC Applications Species
D Kato, Y Takahashi, H Iwata, Y Hatakawa, SH Lee, T Oe Comparative studies for amyloid beta degradation: &quot;Neprilysin vs insulysin&quot;, &quot;monomeric vs aggregate&quot;, and &quot;whole Abeta40 vs its peptide fragments&quot; Biochemistry and Biophysics Reports, 2022-05-09;30(0):101268. 2022-05-09 [PMID: 35586246] (Bioassay, Human) Bioassay Human
LH Hansen, TD Madsen, CK Goth, H Clausen, Y Chen, N Dzhoyashvi, SR Iyer, SJ Sangaralin, JC Burnett, JF Rehfeld, SY Vakhrushev, KT Schjoldage, JP Goetze Discovery of O-glycans on atrial natriuretic peptide (ANP) that affect both its proteolytic degradation and potency at its cognate receptor J. Biol. Chem., 2019-06-11;0(0):. 2019-06-11 [PMID: 31186350] (Bioassay, Human) Bioassay Human
M Takeuchi, M Okamoto, R Okamoto, H Kinoshita, Y Yamaguchi, N Watanabe Discovery of a long-acting glucagon-like peptide-1 analog with enhanced aggregation propensity Peptides, 2018-01-31;102(0):8-15. 2018-01-31 [PMID: 29391187] (Bioassay, Mouse) Bioassay Mouse
AC Mora Huert, CEH Schmelzer, C Luise, W Sippl, M Pietzsch, W Hoehenwart, A Heinz Degradation of tropoelastin and skin elastin by neprilysin Biochimie, 2017-11-29;146(0):73-78. 2017-11-29 [PMID: 29196110] (Cell Culture, Human) Cell Culture Human
Spencer B, Michael S, Shen J, Kosberg K, Rockenstein E, Patrick C, Adame A, Masliah E Lentivirus mediated delivery of neurosin promotes clearance of wild-type alpha-synuclein and reduces the pathology in an alpha-synuclein model of LBD. Mol Ther, 2012-04-17;21(1):31-41. 2012-04-17 [PMID: 22508489] (Bioassay) Bioassay
Lan X, Xu J, Kiyota T, Peng H, Zheng JC, Ikezu T HIV-1 reduces Abeta-degrading enzymatic activities in primary human mononuclear phagocytes. J. Immunol., 2011-05-06;186(12):6925-32. 2011-05-06 [PMID: 21551363] (Enzyme Assay, Virus) Enzyme Assay Virus

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Bioinformatics

Gene Symbol MME
Uniprot