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STUB1 Antibody (C-term)

AMM08036G Product Datasheet Protocol

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AMM08036G		100 μl / $495

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Leading Biology Inc.

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STUB1 Antibody (C-term)

Brand	Leading Biology	Catalog Number	AMM08036G
Product Type	Polyclonal Antibodies	Field of Research
Product Overview	We constantly strive to ensure we provide our customers with the best antibodies. As a result of this work we offer this antibody in purified format. We are in the process of updating our datasheets. If you have any questions regarding this update, please feel free to contact our technical support team. This product is a high quality STUB1 antibody (C-term).
Molecular Weight	34856 Da
Cellular Localization	Antigen Cellular Localization: Cytoplasm.
Host	Rabbit
Species Reactivity	Human
Immunogen	203-231 aa
Target	This STUB1 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 203-231 amino acids from the C-terminal region of human STUB1.
Isotype	Rabbit Ig
GeneID	10273
UniProt ID	Q9UNE7
Function	E3 ubiquitin-protein ligase which targets misfolded chaperone substrates towards proteasomal degradation. Collaborates with ATXN3 in the degradation of misfolded chaperone substrates: ATXN3 restricting the length of ubiquitin chain attached to STUB1/CHIP substrates and preventing further chain extension. Ubiquitinates NOS1 in concert with Hsp70 and Hsp40. Modulates the activity of several chaperone complexes, including Hsp70, Hsc70 and Hsp90. Mediates transfer of non-canonical short ubiquitin chains to HSPA8 that have no effect on HSPA8 degradation. Mediates polyubiquitination of DNA polymerase beta (POLB) at 'Lys-41', 'Lys-61' and 'Lys-81', thereby playing a role in base-excision repair: catalyzes polyubiquitination by amplifying the HUWE1/ARF- BP1-dependent monoubiquitination and leading to POLB-degradation by the proteasome. Mediates polyubiquitination of CYP3A4. Ubiquitinates EPHA2 and may regulate the receptor stability and activity through proteasomal degradation.
Summary	CHIP is an E3 ligase for nNOS whose action is facilitated by (and possibly requires) its interaction with nNOS-bound hsp70. Co-chaperone CHIP, possibly with another E3 ligase(s), modulates the ubiquitylation of mutant Cu/Zn-superoxide dismutase and renders them more susceptible for proteasomal degradation. CHIP functions as a negative regulator of AR transcriptional activity by promoting AR degradation. CHIP-Hsc70 complex ubiquitinates phosphorylated tau and enhances cell survival. CHIP can interact with the Smad1/Smad4 proteins and block BMP signal transduction through the ubiquitin-mediated degradation of Smad proteins. CHIP E3 controls both the association of Hsp70/Hsp90 chaperones with ErbB2 and the down-regulation of ErbB2 induced by inhibitors of Hsp90. CHIP is associated with Parkin and enhances its ubiquitin ligase activity related to Parkinson's disease.
Form	Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is prepared by Saturated Ammonium Sulfate (SAS) precipitation followed by dialysis against PBS.
Storage & Stability	Store at +4°C short term. For long-term storage, aliquot and store at -20°C or below. Stable for 12 months at -20°C. Avoid repeated freeze-thaw cycles.
Applications	WB, IHC-P, E
Dilution	WB~~1:1000 IHC-P~~1:50~100
Synonyms	E3 ubiquitin-protein ligase CHIP, 632-, Antigen NY-CO-7, CLL-associated antigen KW-8, Carboxy terminus of Hsp70-interacting protein, STIP1 homology and U box-containing protein 1 {ECO:0000312\|HGNC:HGNC:11427}, STUB1 (HGNC:11427)
Images	Anti-CHIP C-term at 1:1000 dilution + MCF-7 whole cell lysate Lysates/proteins at 20 μg per lane. Secondary Goat Anti-Rabbit IgG, (H+L), Peroxidase conjugated at 1/10000 dilution. Predicted band size : 35 kDa Blocking/Dilution buffer: 5% NFDM/TBST. CHIP Antibody (C-term) (Cat. AMM08036G) western blot analysis in 293 cell line and human placenta lysates (35ug/lane).This demonstrates the CHIP antibody detected the CHIP protein (arrow). Formalin-fixed and paraffin-embedded human hepatocarcinoma tissue reacted with CHIP (STUB1) antibody (C-term) (Cat. AMM08036G), which was peroxidase-conjugated to the secondary antibody, followed by DAB staining. This data demonstrates the use of this antibody for immunohistochemistry; clinical relevance has not been evaluated.
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