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产品描述

来源:
Mouse
应用:
WB 1:500-1:3000, IHC 1:50-1:200
*The optimal dilutions should be determined by the end user.
*Tips:

WB: 适用于变性蛋白样本的免疫印迹检测. IHC: 适用于组织样本的石蜡(IHC-p)或冰冻(IHC-f)切片样本的免疫组化/荧光检测. IF/ICC: 适用于细胞样本的荧光检测. ELISA(peptide): 适用于抗原肽的ELISA检测.

反应:
Human
克隆:
Monoclonal [AFfirm8387]
特异性:
SQSTM1/p62 Mouse Monoclonal Antibody detects endogenous levels of total SQSTM1/p62
偶联:
Unconjugated.
纯化:
Affinity-chromatography.
保存:
Mouse IgG1 in phosphate buffered saline (without Mg2+ and Ca2+), pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
别名:

展开/折叠

A170; DMRV; EBI 3 associated protein of 60 kDa; EBI 3 associated protein p60; EBI3 associated protein of 60 kDa; EBI3 associated protein p60; EBI3-associated protein of 60 kDa; EBIAP; FTDALS3; MGC127197; ORCA; OSF-6; Osi; OSIL; Oxidative stress induced like; p60; p62; p62B; Paget disease of bone 3; PDB 3; PDB3; Phosphotyrosine independent ligand for the Lck SH2 domain of 62 kDa; Phosphotyrosine independent ligand for the Lck SH2 domain p62; Phosphotyrosine-independent ligand for the Lck SH2 domain of 62 kDa; PKC-zeta-interacting protein; Protein kinase C-zeta-interacting protein; Sequestosome 1; Sequestosome-1; SQSTM 1; SQSTM_HUMAN; Sqstm1; STAP; STONE14; Ubiquitin binding protein p62; Ubiquitin-binding protein p62; ZIP 3; ZIP; ZIP3;

抗原和靶标

免疫原:
Uniprot:
基因/基因ID:
表达:
Q13501 SQSTM_HUMAN:

Ubiquitously expressed.

序列:
MASLTVKAYLLGKEDAAREIRRFSFCCSPEPEAEAEAAAGPGPCERLLSRVAALFPALRPGGFQAHYRDEDGDLVAFSSDEELTMAMSYVKDDIFRIYIKEKKECRRDHRPPCAQEAPRNMVHPNVICDGCNGPVVGTRYKCSVCPDYDLCSVCEGKGLHRGHTKLAFPSPFGHLSEGFSHSRWLRKVKHGHFGWPGWEMGPPGNWSPRPPRAGEARPGPTAESASGPSEDPSVNFLKNVGESVAAALSPLGIEVDIDVEHGGKRSRLTPVSPESSSTEEKSSSQPSSCCSDPSKPGGNVEGATQSLAEQMRKIALESEGRPEEQMESDNCSGGDDDWTHLSSKEVDPSTGELQSLQMPESEGPSSLDPSQEGPTGLKEAALYPHLPPEADPRLIESLSQMLSMGFSDEGGWLTRLLQTKNYDIGAALDTIQYSKHPPPL

翻译修饰 - Q13501 作为底物

Site PTM Type Enzyme
A2 Acetylation
K7 Ubiquitination
Y9 Phosphorylation
K13 Acetylation
K13 Ubiquitination
S24 Phosphorylation
S28 Phosphorylation
S49 Phosphorylation
Y67 Phosphorylation
K91 Ubiquitination
T138 Phosphorylation
K141 Ubiquitination
S143 Phosphorylation
Y148 Phosphorylation
S152 Phosphorylation
K157 Ubiquitination
K165 Ubiquitination
S170 Phosphorylation
S176 Phosphorylation
S182 Phosphorylation
R183 Methylation
K187 Ubiquitination
K189 Ubiquitination
S207 Phosphorylation
T221 Phosphorylation
S224 Phosphorylation
S226 Phosphorylation
S233 Phosphorylation
S249 Phosphorylation
K264 Ubiquitination
S266 Phosphorylation
T269 Phosphorylation P06493 (CDK1) , O15264 (MAPK13)
S272 Phosphorylation P06493 (CDK1) , O15264 (MAPK13)
S275 Phosphorylation
S276 Phosphorylation
S277 Phosphorylation
T278 Phosphorylation
K281 Ubiquitination
S282 Phosphorylation
S284 Phosphorylation
S287 Phosphorylation
S288 Phosphorylation
S291 Phosphorylation
S294 Phosphorylation
K295 Ubiquitination
S306 Phosphorylation
K313 Ubiquitination
S318 Phosphorylation
S328 Phosphorylation
S332 Phosphorylation
T339 Phosphorylation
S342 Phosphorylation
S343 Phosphorylation
K344 Acetylation
K344 Ubiquitination
S349 Phosphorylation
T350 Phosphorylation
S355 Phosphorylation
S361 Phosphorylation
S365 Phosphorylation
S366 Phosphorylation
S370 Phosphorylation
T375 Phosphorylation
K378 Acetylation
K378 Ubiquitination
Y383 Phosphorylation
S403 Phosphorylation Q9UHD2 (TBK1)
S407 Phosphorylation
K420 Ubiquitination
T430 Phosphorylation
Y433 Phosphorylation
S434 Phosphorylation
K435 Ubiquitination

研究背景

功能:

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. Along with WDFY3, involved in the formation and autophagic degradation of cytoplasmic ubiquitin-containing inclusions (p62 bodies, ALIS/aggresome-like induced structures). Along with WDFY3, required to recruit ubiquitinated proteins to PML bodies in the nucleus. 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 (By similarity). 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. Promotes relocalization of 'Lys-63'-linked ubiquitinated STING1 to autophagosomes. Acts as an activator of the NFE2L2/NRF2 pathway via interaction with KEAP1: interaction inactivates the BCR(KEAP1) complex, promoting nuclear accumulation of NFE2L2/NRF2 and subsequent expression of cytoprotective genes.

翻译修饰:

Phosphorylated. May be phosphorylated by PRKCZ (By similarity). Phosphorylated in vitro by TTN. Phosphorylation at Ser-403 by ULK1 is stimulated by SESN2. Phosphorylated at Ser-403 by TBK1, leading to promote relocalization of 'Lys-63'-linked ubiquitinated STING1 to autophagosomes. Phosphorylation at Ser-349 by MTOR promotes interaction with KEAP1 and inactivation of the BCR(KEAP1) complex, promoting NFE2L2/NRF2 nuclear accumulation and expression of phase II detoxifying enzymes (By similarity).

Ubiquitinated by RNF26: ubiquitinated SQSTM1 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. Deubiquitination by USP15 releases target vesicles for fast transport into the cell periphery. Ubiquitinated by the BCR(KEAP1) complex at Lys-420, increasing SQSTM1 sequestering activity and promoting its degradation. Ubiquitinated via 'Lys-29' and 'Lys-33'-linked polyubiquitination leading to xenophagic targeting of bacteria and inhibition of their replication.

细胞定位:

Cytoplasm>Cytosol. Late endosome. Lysosome. Cytoplasmic vesicle>Autophagosome. Nucleus. Endoplasmic reticulum. Nucleus>PML body. Cytoplasm>Myofibril>Sarcomere.
Note: In cardiac muscle, localizes to the sarcomeric band (By similarity). Commonly found in inclusion bodies containing polyubiquitinated protein aggregates. In neurodegenerative diseases, detected in Lewy bodies in Parkinson disease, neurofibrillary tangles in Alzheimer disease, and HTT aggregates in Huntington disease. In protein aggregate diseases of the liver, found in large amounts in Mallory bodies of alcoholic and nonalcoholic steatohepatitis, hyaline bodies in hepatocellular carcinoma, and in SERPINA1 aggregates. Enriched in Rosenthal fibers of pilocytic astrocytoma. In the cytoplasm, observed in both membrane-free ubiquitin-containing protein aggregates (sequestosomes) and membrane-surrounded autophagosomes. Colocalizes with TRIM13 in the perinuclear endoplasmic reticulum. Co-localizes with TRIM5 in cytoplasmic bodies. When nuclear export is blocked by treatment with leptomycin B, accumulates in PML bodies.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
组织特异性:

Ubiquitously expressed.

亚基结构:

Homooligomer or heterooligomer; may form homotypic arrays. Dimerization interferes with ubiquitin binding. Interacts directly with PRKCI and PRKCZ (Probable). Forms ternary complexes with PRKCZ and KCNAB2 or PRKCZ and GABBR3. Also interacts with KCNAB1, GABRR1, GABRR2 and GABRR3. Forms an NGF-induced complex with IKBKB, PRKCI and TRAF6 (By similarity). Interacts with EBI3, LCK, RASA1, PRKCZ, PRKCI, NR2F2, NTRK1, NTRK2, NTRK3, NBR1, MAP2K5, TRIM13, TRIM55 and MAPKAPK5. Interacts with the proteasome subunits PSMD4 and PSMC2. Interacts with K63-polyubiquitinated MAPT/TAU. Interacts with IKBKB through PRKCZ and PRKCI. Interacts with NGFR through TRAF6 and bridges that complex to NTRK1. Forms a complex with MAP2K5 and PRKCZ or PRKCI. Component of a ternary complex with PAWR and PRKCZ. Upon TNF-alpha stimulation, interacts with RIPK1 probably bridging IKBKB to the TNF-R1 complex composed of TNF-R1/TNFRSF1A, TRADD and RIPK1. Forms a complex with JUB/Ajuba, PRKCZ and TRAF6. Interacts with TRAF6 and CYLD. Identified in a complex with TRAF6 and CYLD (By similarity). Identified in a heterotrimeric complex with ubiquitin and ZFAND5, where ZFAND5 and SQSTM1 both interact with the same ubiquitin molecule. Directly interacts with MAP1LC3A and MAP1LC3B, as well as with other MAP1 LC3 family members, including GABARAP, GABARAPL1 and GABARAPL2; these interactions are necessary for the recruitment MAP1 LC3 family members to inclusion bodies containing polyubiquitinated protein aggregates and for their degradation by autophagy. Interacts with FHOD3. Interacts with TRMI5. Interacts with SESN1. Interacts with SESN2. Interacts with ULK1. Interacts with UBD. Interacts with WDR81; the interaction is direct and regulates the interaction of SQSTM1 with ubiquitinated proteins. Interacts with WDFY3; this interaction is required to recruit WDFY3 to cytoplasmic bodies and to PML bodies. Interacts with TRIM23. Interacts with LRRC25. Interacts with TRIM50. Interacts with TRIM16. Interacts with STING1; leading to relocalization of STING1 to autophagosomes. Interacts (when phosphorylated at Ser-349) with KEAP1; the interaction is direct and inactivates the BCR(KEAP1) complex by sequestering KEAP1 in inclusion bodies, promoting its degradation.

蛋白家族:

The UBA domain binds specifically 'Lys-63'-linked polyubiquitin chains of polyubiquitinated substrates. Mediates the interaction with TRIM55. Both the UBA and PB1 domains are necessary and sufficient for the localization into the ubiquitin-containing inclusion bodies.

The PB1 domain mediates homooligomerization and interactions with FHOD3, MAP2K5, NBR1, PRKCI, PRKCZ and WDR81. Both the PB1 and UBA domains are necessary and sufficient for the localization into the ubiquitin-containing inclusion bodies.

The ZZ-type zinc finger mediates the interaction with RIPK1.

The LIR (LC3-interacting region) motif mediates the interaction with ATG8 family proteins.

研究领域

· Cellular Processes > Cell growth and death > Necroptosis.   (View pathway)

· Cellular Processes > Cell growth and death > Cellular senescence.   (View pathway)

· Organismal Systems > Development > Osteoclast differentiation.   (View pathway)

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