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AB168679

Anti-SIRT4 antibody

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Mouse Polyclonal SIRT4 antibody. Suitable for WB and reacts with Human samples. Immunogen corresponding to Recombinant Full Length Protein corresponding to Human SIRT4.

View Alternative Names

SIR2L4, SIRT4, NAD-dependent ADP-ribosyltransferase sirtuin-4, NAD-dependent protein biotinylase sirtuin-4, NAD-dependent protein deacetylase sirtuin-4, Regulatory protein SIR2 homolog 4, SIR2-like protein 4

1 Images
Western blot - Anti-SIRT4 antibody (AB168679)
  • WB

Unknown

Western blot - Anti-SIRT4 antibody (AB168679)

All lanes:

Western blot - Anti-SIRT4 antibody (ab168679) at 1 µg/mL

Lane 1:

SIRT4 transfected 293T lysate at 15 µL

Lane 2:

Non-transfected 293T lysate at 15 µL

Secondary

All lanes:

Goat Anti-Mouse IgG (H&L)-HRP at 1/2500 dilution

Predicted band size: 35 kDa

false

Key facts

Host species

Mouse

Clonality

Polyclonal

Isotype

IgG

Carrier free

No

Reacts with

Human

Applications

WB

applications

Immunogen

Recombinant Full Length Protein corresponding to Human SIRT4.

Q9Y6E7

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "WB" : {"fullname" : "Western blot", "shortname":"WB"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "WB-species-checked": "testedAndGuaranteed", "WB-species-dilution-info": "1 µg/mL", "WB-species-notes": "<p></p>" } } }
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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.4 Constituents: 99% PBS
Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

SIRT4 also known as Sirtuin 4 is a mitochondrial protein with a mass of approximately 36 kDa. It belongs to the sirtuin family of NAD+-dependent deacetylases. Unlike many other sirtuins SIRT4 does not function as a deacetylase; instead it exhibits ADP-ribosyltransferase activity. This activity regulates a range of mitochondrial functions. SIRT4 is expressed in various tissues including the liver pancreas and muscles where it plays different roles based on the tissue type.
Biological function summary

SIRT4 regulates energy metabolism and cellular stress responses. It plays key roles in the regulation of mitochondrial functions during fasting and impacts gluconeogenesis and fatty acid oxidation. SIRT4 inhibits glutamate dehydrogenase (GDH) affecting amino acid metabolism and insulin secretion. By acting in this capacity SIRT4 controls the flow of nutrients and energy homeostasis exhibiting its critical role in metabolic regulation.

Pathways

SIRT4 integrates into a broader metabolic network including the insulin signaling and AMPK pathways. It interacts with proteins like GDH and AMPK influencing mitochondrial energy output and stress response. This relationship places SIRT4 in an important position for maintaining energy balance and responding to cellular metabolic demands.

SIRT4 links to metabolic conditions such as diabetes and metabolic syndrome. Dysregulation of SIRT4 activity can lead to impaired insulin secretion and glucose intolerance. Furthermore SIRT4's interaction with other sirtuins particularly SIRT1 suggests a functional interplay in protecting against metabolic stress and possibly influencing the development of these metabolic disorders.
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Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:
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Target data

Acts as a NAD-dependent protein lipoamidase, biotinylase, deacetylase and ADP-ribosyl transferase (PubMed : 16959573, PubMed : 17715127, PubMed : 24052263, PubMed : 25525879). Catalyzes more efficiently removal of lipoyl- and biotinyl- than acetyl-lysine modifications (PubMed : 24052263, PubMed : 25525879). Inhibits the pyruvate dehydrogenase complex (PDH) activity via the enzymatic hydrolysis of the lipoamide cofactor from the E2 component, DLAT, in a phosphorylation-independent manner (PubMed : 25525879). Catalyzes the transfer of ADP-ribosyl groups onto target proteins, including mitochondrial GLUD1, inhibiting GLUD1 enzyme activity (PubMed : 16959573, PubMed : 17715127). Acts as a negative regulator of mitochondrial glutamine metabolism by mediating mono ADP-ribosylation of GLUD1 : expressed in response to DNA damage and negatively regulates anaplerosis by inhibiting GLUD1, leading to block metabolism of glutamine into tricarboxylic acid cycle and promoting cell cycle arrest (PubMed : 16959573, PubMed : 17715127). In response to mTORC1 signal, SIRT4 expression is repressed, promoting anaplerosis and cell proliferation (PubMed : 23663782). Acts as a tumor suppressor (PubMed : 23562301, PubMed : 23663782). Also acts as a NAD-dependent protein deacetylase : mediates deacetylation of 'Lys-471' of MLYCD, inhibiting its activity, thereby acting as a regulator of lipid homeostasis (By similarity). Does not seem to deacetylate PC (PubMed : 23438705). Controls fatty acid oxidation by inhibiting PPARA transcriptional activation (PubMed : 24043310). Impairs SIRT1-PPARA interaction probably through the regulation of NAD(+) levels (PubMed : 24043310). Down-regulates insulin secretion (PubMed : 17715127).
See full target information SIRT4
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