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Recombinant Human ATXN3, GST-tagged

Cat.No.: ATXN3-173H
Product Overview: Recombinant human ATXN3 (amino acid residues 1-370), fused with N-terminal GST, was expressed in E.coli.
Description: There are two main classes of DUB; cysteine proteases and metalloproteases. Ataxin-3 is a cysteine protease and is a member of the Machado-Joseph Domain (MJD) enzyme family. Cloning of the human gene was first described by Kawaguchi et al. (1994). Machado–Joseph disease (MJD), the most common form of spinocerebellar ataxia worldwide, is a progressive and ultimately fatal neurodegenerative disorder caused by polyQ expansion in ataxin-3, a conserved and ubiquitous protein known to bind polyubiquitin chains and to function as a deubiquitylating enzyme. Ataxin-3 has been linked to protein homeostasis maintenance, transcription, cytoskeleton regulation and myogenesis (Matos et al., 2011).
Source: E. coli
Species: Human
Tag: GST
Form: 50 mM HEPES pH 7.5, 150 mM sodium chloride, 2 mM dithiothreitol, 10% glycerol
Bio-activity: Deubiquitylase Enzyme Assay: The activity of GST-Ataxin-3 was validated by determining the increase in fluorescence measured as a result of the enzyme catalysed cleavage of the fluorogenic substrate Ubiquitin-Rhodamine110-Glycine generating Ubiquitin and Rhodamine110-Glycine. Incubation of the substrate in the presence or absence of GST-Ataxin-3 was compared confirming the deubiquitylating activity of GST-Ataxin-3.
Molecular Mass: ~69 kDa
Purity: >98% by SDS-PAGE
Storage: 12 months at -70°C. Avoid multiple freeze/thaw cycles.
Concentration: 0.5 mg/ml
Gene Name: ATXN3 ataxin 3 [ Homo sapiens ]
Official Symbol: ATXN3
Synonyms: ATXN3; ataxin 3; Machado Joseph disease (spinocerebellar ataxia 3, olivopontocerebellar ataxia 3, autosomal dominant, ataxin 3) , MJD, SCA3; ataxin-3; ATX3; JOS; josephin; ataxin 3 variant h; ataxin 3 variant m; ataxin 3 variant ref; olivopontocerebellar ataxia 3; Machado-Joseph disease protein 1; spinocerebellar ataxia type 3 protein; Machado-Joseph disease (spinocerebellar ataxia 3, olivopontocerebellar ataxia 3, autosomal dominant, ataxin 3); AT3; MJD; MJD1; SCA3;
Gene ID: 4287
mRNA Refseq: NM_001127696
Protein Refseq: NP_001121168
MIM: 607047
UniProt ID: P54252
Chromosome Location: 14q21
Pathway: Protein processing in endoplasmic reticulum, organism-specific biosystem; Protein processing in endoplasmic reticulum, conserved biosystem;
Function: cysteine-type peptidase activity; omega peptidase activity; peptidase activity; protein binding;

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