Ataxin 3 protein (30R-1344)
Purified recombinant Human Ataxin 3 protein
|Synonyms||Machado-Joseph disease protein 1 homolog protein, Machado Joseph disease protein, AT3 protein, JOS protein, MJD1 protein, MJD gene protein, Machado Joseph disease protein 1 protein, EC 3.4.22. protein, ATXN3 protein, , Spinocerebellar ataxia type 3 protein protein, Rsca3 protein, MJD protein, Josephin protein, ATX3 protein, ATXN3 protein, SCA3 protein, Ataxin 3 protein, SCA3 gene protein|
Coomassie Blue stained SDS-PAGE of Ataxin 3 protein (30R-1344)
Figure annotation denotes ug of protein loaded and % gel used.
|Residues||1-370 amino acids: MESIFHEKQE GSLCAQHCLN NLLQGEYFSP VELSSIAHQL DEEERMRMAE GGVTSEDYRT FLQQPSGNMD DSGFFSIQVI SNALKVWGLE LILFNSPEYQ RLRIDPINER SFICNYKEHW FTVRKLGKQW FNLNSLLTGP ELISDTYLAL FLAQLQQEGY SIFVVKGDLP DCEADQLLQM IRVQQMHRPK LIGEELAQLK EQRVHKTDLE RVLEANDGSG MLDEDEEDLQ RALALSRQEI DMEDEEADLR RAIQLSMQGS SRNISQDMTQ TSGTNLTSEE LRKRREAYFE KQQQKQQQQQ QQQQQQQQQQ QQQQGDLSGQ SSHPCERPAT SSGALGSDLG DAMSEEDMLQ AAVTMSLETV RNDLKTEGKK|
|Grade & Purity||> 90% pure|
|Molecular Weight||42.4 kDa (370aa), confirmed by MALDI-TOF.|
|Form & Buffer||Supplied as a liquid in 20mM Tris-HCl buffer, pH 7.5, containing 2mM DTT, 50mM NaCl, and 10% glycerol.|
Storage & Safety
|Storage||Store at 4 deg C for short term storage (1/2 weeks). Aliquot and store at -20 deg C or - 70 deg C for long term storage. Avoid repeated freeze/thaw cycles.|
|Endotoxin Levels||< 1.0 EU per ug of protein (determined by LAL method)|
|Biological Significance||Ataxin 3 is also known as Machado-Joseph disease protein 1. Machado?Joseph disease is one of several hereditary autosomal dominant neurodegenerative disorders. This protein contains trinucleotide CAG repeats in the coding region, and the expansion of these repeats from the normal 13-36 to 68-79 is the cause of Machado-Joseph disease. Ataxin 3 interacts with the major histone acetyltransferases cAMP-response-element binding protein (CREB)-binding protein, p300, and p300/CREB-binding protein-associated factor and inhibits transcription by these coactivators. Also, ataxin-3 is a proteasome-associated factor that mediates the degradation of ubiquitinated proteins. Recombinant human Ataxin-3 was expressed in E. coli and purified by using conventional chromatography.|
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