产品描述
*The optimal dilutions should be determined by the end user.
*Tips:
WB: 适用于变性蛋白样本的免疫印迹检测. IHC: 适用于组织样本的石蜡(IHC-p)或冰冻(IHC-f)切片样本的免疫组化/荧光检测. IF/ICC: 适用于细胞样本的荧光检测. ELISA(peptide): 适用于抗原肽的ELISA检测.
展开/折叠
AOA 1; AOA; AOA1; Aprataxin; Aprataxin homolog; Aptx; APTX_HUMAN; Ataxia 1 early onset with hypoalbuminemia; Ataxia1 early onset with hypoalbuminemia; AXA 1; AXA1; EAOH; EOAHA; FHA HIT; FHA-HIT; FLJ20157; Forkhead associated domain histidine triad like; Forkhead associated domain histidine triad like protein; Forkhead-associated domain histidine triad-like protein; MGC1072;
抗原和靶标
A synthesized peptide derived from human APTX.
Widely expressed; detected in liver, kidney and lymph node (at protein level) (PubMed:14755728). Isoform 1 is highly expressed in the cerebral cortex and cerebellum, compared to isoform 2 (at protein level) (PubMed:14755728). Widely expressed; detected throughout the brain, in liver, kidney, skeletal muscle, fibroblasts, lymphocytes and pancreas (PubMed:15276230, PubMed:11586299, PubMed:11586300).
- Q7Z2E3 APTX_HUMAN:
- Protein BLAST With
- NCBI/
- ExPASy/
- Uniprot
MSNVNLSVSDFWRVMMRVCWLVRQDSRHQRIRLPHLEAVVIGRGPETKITDKKCSRQQVQLKAECNKGYVKVKQVGVNPTSIDSVVIGKDQEVKLQPGQVLHMVNELYPYIVEFEEEAKNPGLETHRKRKRSGNSDSIERDAAQEAEAGTGLEPGSNSGQCSVPLKKGKDAPIKKESLGHWSQGLKISMQDPKMQVYKDEQVVVIKDKYPKARYHWLVLPWTSISSLKAVAREHLELLKHMHTVGEKVIVDFAGSSKLRFRLGYHAIPSMSHVHLHVISQDFDSPCLKNKKHWNSFNTEYFLESQAVIEMVQEAGRVTVRDGMPELLKLPLRCHECQQLLPSIPQLKEHLRKHWTQ
研究背景
DNA-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. Likewise, catalyzes the release of 3'-linked guanosine (DNAppG) and inosine (DNAppI) from DNA, but has higher specific activity with 5'-linked adenosine (AppDNA) (By similarity).
Nucleus>Nucleoplasm. Nucleus>Nucleolus.
Note: Upon genotoxic stress, colocalizes with XRCC1 at sites of DNA damage (PubMed:15380105). Colocalizes with MDC1 at sites of DNA double-strand breaks (PubMed:20008512). Interaction with NCL is required for nucleolar localization (PubMed:16777843).
Cytoplasm.
Widely expressed; detected in liver, kidney and lymph node (at protein level). Isoform 1 is highly expressed in the cerebral cortex and cerebellum, compared to isoform 2 (at protein level). Widely expressed; detected throughout the brain, in liver, kidney, skeletal muscle, fibroblasts, lymphocytes and pancreas.
Interacts with single-strand break repair proteins XRCC1, XRCC4, ADPRT and p53/TP53. Interacts with NCL. Interacts (via FHA-like domain) with MDC1 (phosphorylated).
The 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.
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