Recombinant Human NMNAT-1 Protein, CF

R&D Systems, part of Bio-Techne | Catalog # 5865-NT

R&D Systems, part of Bio-Techne
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5865-NT-010
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Key Product Details

Source

Sf 21 (baculovirus)

Accession #

Q9HAN9

Structure / Form

Non-covalently linked hexamer

Conjugate

Unconjugated

Applications

Enzyme Activity

View all NMNAT-1 Proteins and Enzymes »

Product Specifications

Source

Spodoptera frugiperda, Sf 21 (baculovirus)-derived human NMNAT-1 protein
Met1-Thr279, with a C-terminal 6-His tag

Purity

>90%, by SDS-PAGE under reducing conditions and visualized by silver stain.

Endotoxin Level

<1.0 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Ser4

Predicted Molecular Mass

32 kDa

SDS-PAGE

33 kDa, reducing conditions

Activity

Measured by the production of NAD+, which is converted to NADH by alcohol dehydrogenase.
The specific activity is >2,500 pmol/min/μg, as measured under the described conditions.

Formulation, Preparation and Storage

5865-NT
Formulation Supplied as a 0.2 μm filtered solution in Tris, NaCl, Glycerol and DTT.
Shipping The product is shipped with dry ice or equivalent. 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, -70 °C as supplied.
  • 3 months, -70 °C under sterile conditions after opening.

Background: NMNAT-1

NMNAT-1 is expressed in the nuclei of all human tissues, with highest expression in skeletal muscle, heart, kidney, pancreas, and brain (1). The enzyme transfers adenylate from ATP to nicotinamide ribonucleotide or nicotinate ribonucleotide to generate NAD+ or deamido-NAD+, and is an essential enzyme for the production of nuclear NAD+ (2). Nuclear NAD+ is required by poly(ADP-ribose) polymerase 1 (PARP-1), which poly-ADP-ribosylates chromatin in response to DNA strand breaks. NMNAT-1 is known to interact with PARP-1, resulting in its activation, but this interaction with PARP-1 is prevented when NMNAT-1 is phosphorylated at Ser136 (3). Nuclear NAD+ levels are also important for the regulation of SIR2 histone deacetylases (4). A naturally occurring Ube4b/NMNAT-1 chimeric protein is directly involved in slowing the degeneration of injured neurons in mice (5). NMNAT activity is required for the activation of tiazofurin, a drug used to treat leukemia (6). Two other NMNAT enzymes are present in humans. NMNAT-2 is localized in the Golgi complex and cytoplasm, and NMNAT-3 is a mitochondrial enzyme (7).

References

  1. Emanuelli, M. et al. (2001) J. Biol.Chem. 276:406.
  2. Schweiger, M. et al. (2001) FEBS Lett. 492:95.
  3. Berger, F. et al. (2007) Proc. Natl. Acad. Sci. USA 104:3765.
  4. Revollo, J.R. et al. (2004) J. Biol. Chem. 279:50754.
  5. Mack, T.G. et al. (2001) Nature Neurosci. 4:1199.
  6. Boulton, S. et al. (1997) Br. J. Cancer 76:845.
  7. Berger, F. et al. (2005) J. Biol. Chem. 280:36334.

Long Name

Nicotinamide mononucleotide adenylyltransferase-1

Alternate Names

NMN adenylyltransferase 1, NMNAT1, PNAT1

Entrez Gene IDs

64802 (Human)

Gene Symbol

NMNAT1

UniProt

Q9HAN9

Additional NMNAT-1 Products

Product Documents for Recombinant Human NMNAT-1 Protein, CF

Product Datasheets

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Product Specific Notices for Recombinant Human NMNAT-1 Protein, CF

For research use only

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