Human Sirtuin 3/SIRT3 Antibody

Catalog # Availability Size / Price Qty
MAB7488
MAB7488-SP
Detection of Human Sirtuin 3/SIRT3 by Western Blot.
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Human Sirtuin 3/SIRT3 Antibody Summary

Species Reactivity
Human
Specificity
Detects human Sirtuin 3/SIRT3 in ELISAs. In direct ELISAs, no cross-reactivity with recombinant human Sirtuin 2 is observed.
Source
Monoclonal Mouse IgG1 Clone # 850911
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
E. coli-derived recombinant human Sirtuin 3/SIRT3
Ser101-Lys399
Accession # Q9NTG7
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
2 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Data Example

Western Blot Detection of Human Sirtuin 3/SIRT3 by Western Blot. View Larger

Detection of Human Sirtuin 3/SIRT3 by Western Blot. Western blot shows lysates of human liver tissue, human heart ventricle tissue, and human kidney tissue. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human Sirtuin 3/SIRT3 Monoclonal Antibody (Catalog # MAB7488) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for Sirtuin 3/SIRT3 at approximately 28 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

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Preparation and Storage

Reconstitution
Sterile PBS to a final concentration of 0.5 mg/mL.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Sirtuin 3/SIRT3

Sirtuin 3 (SIRT3; SIR2-like protein 3) is a 28-30 kDa, NAD+-dependent class III member of the sirtuin protein family. It is widely expressed and found apparently in both the nucleus where it deacetylates histones, and in the mitochondrial matrix where it is involved in the regulation of both oxidative stress and the physiology associated with fasting or caloric restriction. Relative to the mitochondria, SIRT3 deacetylates multiple enzyme substrates including SOD2, IDH2, LCAD, OTC and HMGCS2, an action that results in enzyme activation. Human SIRT3 is 399 amino acids (aa) in length. It contains a mitochondrial targeting sequence within the first 100 aa, followed by a sirtuin-type deacetylase domain (aa 126-382) that contains an NAD binding segment (aa 145-165). SIRT3 is initially synthesized as a 42-44 kDa "precursor" in the cytosol. From here, it can translocate into mitochondria where it is cleaved between Arg99Arg100 to generate a 28-30 kDa short form. There is one potential alternative start site at Met143. Over aa 101-399, human and mouse SIRT3 share 84% aa sequence identity.

Long Name
Silent Mating Type Information Regulation 3 Homolog
Entrez Gene IDs
23410 (Human); 64384 (Mouse); 293615 (Rat)
Alternate Names
EC 3.5.1; EC 3.5.1.-; hSIRT3; mitochondrial nicotinamide adenine dinucleotide-dependent deacetylase; NAD-dependent deacetylase sirtuin-3, mitochondrial; SIR2L3; SIR2L3silent mating type information regulation 2, S.cerevisiae, homolog 3; sir2-like 3; SIR2-like protein 3; SIRT3; sirtuin (silent mating type information regulation 2 homolog) 3 (S. cerevisiae); sirtuin (silent mating type information regulation 2, S.cerevisiae, homolog) 3; Sirtuin 3; sirtuin type 3

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Isotype Controls

Reconstitution Buffers

Secondary Antibodies

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