Product nameRecombinant Human Aprataxin protein
See all Aprataxin proteins and peptides
Purity> 90 % SDS-PAGE.
Expression systemEscherichia coli
Protein lengthFull length protein
TagsHis-T7 tag N-Terminus
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The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
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Preparation and Storage
Stability and Storage
Shipped at 4°C. Upon delivery aliquot. Store at -80°C. Avoid freeze / thaw cycle.
Preservative: 0.002% Sodium azide
Constituents: 0.1% Triton-X-100, 0.154% DTT, 0.121% Tris
- AOA 1
FunctionDNA-binding protein involved in single-strand DNA break repair, double-strand DNA break repair and base excision repair. Resolves abortive DNA ligation intermediates formed either at base excision sites, or when DNA ligases attempt to repair non-ligatable breaks induced by reactive oxygen species. Catalyzes the release of adenylate groups covalently linked to 5'-phosphate termini, resulting in the production of 5'-phosphate termini that can be efficiently rejoined. Also able to hydrolyze adenosine 5'-monophosphoramidate (AMP-NH(2)) and diadenosine tetraphosphate (AppppA), but with lower catalytic activity.
Tissue specificityWidely expressed. In brain, it is expressed in the posterior cortex, cerebellum, hippocampus and olfactory bulb. Isoform 1 is highly expressed in the cerebral cortex and cerebellum, compared to isoform 2.
Involvement in diseaseDefects in APTX are the cause of ataxia-oculomotor apraxia syndrome (AOA) [MIM:208920]. AOA is an autosomal recessive syndrome characterized by early-onset cerebellar ataxia, oculomotor apraxia, early areflexia and late peripheral neuropathy.
Defects in APTX are a cause of coenzyme Q10 deficiency (COQ10D) [MIM:607426]. Coenzyme Q10 deficiency is an autosomal recessive disorder with variable manifestations. It can be associated with three main clinical phenotypes: a predominantly myopathic form with central nervous system involvement, an infantile encephalomyopathy with renal dysfunction and an ataxic form with cerebellar atrophy.
Sequence similaritiesContains 1 C2H2-type zinc finger.
Contains 1 FHA-like domain.
Contains 1 HIT domain.
DomainThe histidine triad, also called HIT motif, forms part of the binding loop for the alpha-phosphate of purine mononucleotide.
The FHA-like domain mediates interaction with NCL; XRCC1 and XRCC4.
The HIT domain is required for enzymatic activity.
The C2H2-type zinc finger mediates DNA-binding.
Cellular localizationNucleus > nucleoplasm. Nucleus > nucleolus. Upon genotoxic stress, colocalizes with XRCC1 at sites of DNA damage. Colocalizes with MDC1 at sites of DNA double-strand breaks. Interaction with NCL is required for nucleolar localization.
- Information by UniProt
To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.
ab40478 has not yet been referenced specifically in any publications.