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Synthetic peptide
- SPECIFICATION
- CITATIONS
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- BACKGROUND
| Primary Accession | Q64337 |
|---|---|
| Other Accession | O08623, Q13501 |
| Gene ID | 18412 |
|---|---|
| Other Names | Sequestosome-1, STONE14, Ubiquitin-binding protein p62, Sqstm1, A170, STAP |
| Target/Specificity | The synthetic peptide sequence is selected from aa 346-359 of HUMAN Sqstm1 |
| Format | Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 1 mg/ml. |
| Storage | Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C. |
| Precautions | This product is for research use only. Not for use in diagnostic or therapeutic procedures. |
| Name | Sqstm1 |
|---|---|
| Synonyms | A170, STAP |
| Function | Autophagy receptor required for selective macroautophagy (aggrephagy). Functions as a bridge between polyubiquitinated cargo and autophagosomes. Interacts directly with both the cargo to become degraded and an autophagy modifier of the MAP1 LC3 family. Required both for the formation and autophagic degradation of polyubiquitin-containing bodies, called ALIS (aggresome-like induced structures) and links ALIS to the autophagic machinery. Involved in midbody ring degradation (By similarity). May regulate the activation of NFKB1 by TNF-alpha, nerve growth factor (NGF) and interleukin-1. May play a role in titin/TTN downstream signaling in muscle cells. May regulate signaling cascades through ubiquitination. Adapter that mediates the interaction between TRAF6 and CYLD (PubMed:14960283, PubMed:18382763). May be involved in cell differentiation, apoptosis, immune response and regulation of K(+) channels. Involved in endosome organization by retaining vesicles in the perinuclear cloud: following ubiquitination by RNF26, attracts specific vesicle-associated adapters, forming a molecular bridge that restrains cognate vesicles in the perinuclear region and organizes the endosomal pathway for efficient cargo transport (By similarity). |
| Cellular Location | Cytoplasm, cytosol. Late endosome. Nucleus. Endoplasmic reticulum. Lysosome. Cytoplasmic vesicle, autophagosome. Nucleus, PML body {ECO:0000250|UniProtKB:Q13501}. Cytoplasm, myofibril, sarcomere Note=In cardiac muscles, localizes to the sarcomeric band. May also localize to the hepatocellular carcinoma. Colocalizes with TRIM13 in the perinuclear endoplasmic reticulum (By similarity) Commonly found in inclusion bodies containing polyubiquitinated protein aggregates (By similarity). Co-localizes with TRIM5 in the cytoplasmic bodies (By similarity). When nuclear export is blocked by treatment with leptomycin B, accumulates in PML bodies (By similarity). {ECO:0000250|UniProtKB:Q13501} |
| Tissue Location | Widely expressed. |
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Background
Required both for the formation and autophagic degradation of polyubiquitin-containing bodies, called ALIS (aggresome-like induced structures). Links ALIS to the autophagic machinery via direct interaction with MAP1 LC3 family members. May regulate the activation of NFKB1 by TNF-alpha, nerve growth factor (NGF) and interleukin-1. May play a role in titin/TTN downstream signaling in muscle cells. May regulate signaling cascades through ubiquitination. May be involved in cell differentiation, apoptosis, immune response and regulation of K(+) channels. Adapter that mediates the interaction between TRAF6 and CYLD.
References
Ishii T.,et al.Biochem. Biophys. Res. Commun. 226:456-460(1996).
Morris J.C.,et al.Submitted (MAY-1996) to the EMBL/GenBank/DDBJ databases.
Carninci P.,et al.Science 309:1559-1563(2005).
Church D.M.,et al.PLoS Biol. 7:E1000112-E1000112(2009).
Ishii T.,et al.Biochem. Biophys. Res. Commun. 232:33-37(1997).
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