anti-Ataxin 1 antibody [S65-37]

anti-Ataxin 1 antibody [S65-37] for Western blot,ICC/IF and Human,Mouse,Rat


Product Description Mouse Monoclonal antibody [S65-37] recognizes Ataxin 1
Tested Reactivity Hu, Ms, Rat
Tested Application ICC/IF, WB
Specificity Detects ~85kDa. No cross-reactivity against phosphor S751-Ataxin-1. Minimal cross-reactivity against S751A mutant of Ataxin-1 by ELISA and immunofluorescence and negative by immunoblot.
Host Mouse
Clonality Monoclonal
Clone S65-37
Isotype IgG1
Target Name Ataxin 1
Antigen Species Mouse
Immunogen Synthetic peptide around aa. 746-761 (RKRRWSAPETRKLEKS) of Mouse ataxin 1.
Rat: 93% identity (15/16 amino acids identical).
Human: 87% identity (14/16 amino acids identical).
Conjugation Un-conjugated
Alternate Names SCA1; D6S504E; ATX1; Ataxin-1; Spinocerebellar ataxia type 1 protein

Application Instructions

Application Suggestion
Tested Application Dilution
Application Note * The dilutions indicate recommended starting dilutions and the optimal dilutions or concentrations should be determined by the scientist.


Form Liquid
Purification Purification with Protein G.
Buffer PBS (pH 7.4), 0.1% Sodium azide and 50% Glycerol
Preservative 0.1% Sodium azide
Stabilizer 50% Glycerol
Concentration 1 mg/ml
Storage Instruction For continuous use, store undiluted antibody at 2-8°C for up to a week. For long-term storage, aliquot and store at -20°C. Storage in frost free freezers is not recommended. Avoid repeated freeze/thaw cycles. Suggest spin the vial prior to opening. The antibody solution should be gently mixed before use.
Note For laboratory research only, not for drug, diagnostic or other use.


Database Links

GeneID: 20238 Mouse ATXN1

GeneID: 25049 Rat ATXN1

GeneID: 6310 Human ATXN1

Gene Symbol Atxn1
Gene Full Name ataxin 1
Background The autosomal dominant cerebellar ataxias (ADCA) are a heterogeneous group of neurodegenerative disorders characterized by progressive degeneration of the cerebellum, brain stem and spinal cord. Clinically, ADCA has been divided into three groups: ADCA types I-III. ADCAI is genetically heterogeneous, with five genetic loci, designated spinocerebellar ataxia (SCA) 1, 2, 3, 4 and 6, being assigned to five different chromosomes. ADCAII, which always presents with retinal degeneration (SCA7), and ADCAIII often referred to as the `pure' cerebellar syndrome (SCA5), are most likely homogeneous disorders. Several SCA genes have been cloned and shown to contain CAG repeats in their coding regions. ADCA is caused by the expansion of the CAG repeats, producing an elongated polyglutamine tract in the corresponding protein. The expanded repeats are variable in size and unstable, usually increasing in size when transmitted to successive generations. The function of the ataxins is not known. This locus has been mapped to chromosome 6, and it has been determined that the diseased allele contains 41-81 CAG repeats, compared to 6-39 in the normal allele, and is associated with spinocerebellar ataxia type 1 (SCA1). At least two transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Jan 2010]
Function Chromatin-binding factor that repress Notch signaling in the absence of Notch intracellular domain by acting as a CBF1 corepressor. Binds to the HEY promoter and might assist, along with NCOR2, RBPJ-mediated repression. Binds RNA in vitro. May be involved in RNA metabolism. [UniProt]
Cellular Localization Cytoplasm, Nucleus
Calculated MW 87 kDa
PTM Ubiquitinated by UBE3A, leading to its degradation by the proteasome. The presence of expanded poly-Gln repeats in spinocerebellar ataxia 1 (SCA1) patients impairs ubiquitination and degradation, leading to accumulation of ATXN1 in neurons and subsequent toxicity.
Phosphorylation at Ser-775 increases the pathogenicity of proteins with an expanded polyglutamine tract.
Sumoylation is dependent on nuclear localization and phosphorylation at Ser-775. It is reduced in the presence of an expanded polyglutamine tract.

Images (2) Click the Picture to Zoom In

  • ARG22254 anti-Ataxin 1 antibody [S65-37] ICC/IF image

    Immunofluorescence: Human Neuroblastoma cell line SK-N-BE. Fixation: 4% Formaldehyde for 15 min at RT. Primary Antibody: ARG22254 anti-Ataxin 1 antibody [S65-37] at 1:100 for 60 min at RT. Secondary Antibody: Goat anti-Mouse ATTO 488 at 1:100 for 60 min at RT. Counterstain: Phalloidin Texas Red F-Actin stain; DAPI (blue) nuclear stain. Magnification: 60X. (A) DAPI (blue) nuclear stain (B) Phalloidin Texas Red F-Actin stain (C) ARG22254 anti-Ataxin 1 antibody [S65-37] (D) Composite.

  • ARG22254 anti-Ataxin 1 antibody [S65-37] WB image

    Western blot: 15 µg of Monkey COS-1 cells transfected with Ataxin-1. Block: 2% BSA and 2% Skim Milk in 1X TBST. Primary Antibody: ARG22254 anti-Ataxin 1 antibody [S65-37] at 1:200 for 16 hours at 4°C. Secondary Antibody: Goat anti-Mouse IgG: HRP at 1:1000 for 1 hour RT. Color Development: ECL solution for 6 min in RT.