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P0068

Sigma-Aldrich

Anti-p62/SQSTM1 (C-terminal) antibody produced in rabbit

affinity isolated antibody, buffered aqueous solution

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Synonym(s):
Anti-Sequestosome 1, Anti-Ubiquitin-binding protein p62
NACRES:
NA.41

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen ~62 kDa

species reactivity

rat, mouse, human

concentration

~1.0 mg/mL

technique(s)

immunoprecipitation (IP): 2-4 μg using whole extract of NIH-3T3 cells
western blot: 2-4 μg/mL using whole extracts of rat PC12 cells
western blot: 4-8 μg/mL using whole extracts of human A549 cells.

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... SQSTM1(8878)
mouse ... Sqstm1(18412)
rat ... Sqstm1(113894)

Related Categories

General description

The p62 protein/sequestosome 1 (SQSTM1) comprises a Phox and Bem1p (PB1) domain at the NH2-terminal, a ZZ type zinc finger domain, a Pro, Glu, Ser, and Thr (PEST) region consisting of putative phosphorylation sites, and a ubiquitin-associated (UBA) domain at the COOH-terminal. The SQSTM1 gene is mapped to the human chromosome location 5q35.3.

Specificity

Anti-p62/SQSTM1 (C-terminal) recognizes human, rat, and mouse p62/SQSTM1.

Application

Rabbit polyclonal anti-SQSTM1 antibody has been used:
  • in immunoblotting
  • in immunoprecipitation
  • as a probe to determine the presence and roles of p62 protein/sequestosome 1 in processes such as autophagy

Biochem/physiol Actions

The p62 protein/sequestosome 1 (SQSTM1) is a multifunctional protein, which binds to ubiquitin. It acts as a scaffold protein for the nuclear factor kappa-B (NF-ΚB) signaling pathway. SQSTM1 also regulates apoptosis and autophagy. Mutations in this gene lead to sporadic and familial Paget disease of bone. It is also associated with protein aggregation diseases, such as Lewy bodies in Parkinson′s disease, neurofibrillary tangles in Alzheimer′s disease, and huntingtin aggregates. SQSTM1 is commonly found in inclusion bodies containing polyubiquitinated protein aggregates that accumulate in several degenerative diseases. p62 polymerizes through its N-terminal Phox and Bem1p (PB1) domain and interacts with polyubiquitinated proteins through its C-terminal ubiquitin-associated (UBA) domain. p62 acts as a linker between protein aggregates and the autophagy machinery.

Physical form

Solution in 0.01 M phosphate buffered saline pH 7.4, containing 15 mM sodium azide.

Storage and Stability

For continuous use, store at 2–8 °C for up to one month. For extended storage freeze in working aliquots. Repeated freezing and thawing is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilution samples should be discarded if not used within 12 hours.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Storage Class

10 - Combustible liquids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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