- ￥2980
- Bioss
- bs-19683R-AP
- 2025年11月05日
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100ul
| 产品编号 | bs-19683R-AP |
| 英文名称 | SFPQ Rabbit pAb, AP conjugated |
| 中文名称 | AP标记的多聚嘧啶序列结合蛋白相关剪接因子PSF抗体 |
| 英文别名 | 100 kDa DNA pairing protein; 100 kDa DNA-pairing protein; 100 kDa subunit; DNA binding p52/p100 complex 100 kDa subunit; DNA-binding p52/p100 complex; hPOMp100; Polypyrimidine tract binding protein associated splicing factor; Polypyrimidine tract-binding protein-associated-splicing factor; POMP100; proline-and glutamine-rich; PSF; PTB associated splicing factor; PTB-associated-splicing factor; Sfpq; SFPQ_HUMAN; Splicing factor; Splicing factor proline and glutamine rich; Splicing factor proline/glutamine rich(polypyrimidine tract binding protein associated). |
| 产品应用 | IHC-P=1:100-500, IHC-F=1:100-500 Not yet tested in other applications. |
| 抗体来源 | Rabbit |
| 免疫原 | KLH conjugated synthetic peptide derived from human SFPQ |
| 亚型 | IgG |
| 纯化方法 | affinity purified by Protein A |
| 克隆类型 | Polyclonal |
| 浓度 | 1mg/ml |
| 储存液 | 0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol. |
| 研究领域 | Epigenetics and Nuclear Signaling > DNA / RNA > RNA Processing > Splicing |
| 亚细胞定位 | Nucleus matrix. Predominantly in nuclear matrix. |
| 翻译后修饰 | The N-terminus is blocked. _x000D_ Phosphorylated on multiple serine and threonine residues during apoptosis. In vitro phosphorylated by PKC. Phosphorylation stimulates binding to DNA and D-loop formation, but inhibits binding to RNA. _x000D_ Arg-7, Arg-9, Arg-19 and Arg-25 are dimethylated, probably to asymmetric dimethylarginine. |
| 相似性 | Contains 2 RRM (RNA recognition motif) domains. |
| 功能 | DNA- and RNA binding protein, involved in several nuclear processes. Essential pre-mRNA splicing factor required early in spliceosome formation and for splicing catalytic step II, probably as an heteromer with NONO. Binds to pre-mRNA in spliceosome C complex, and specifically binds to intronic polypyrimidine tracts. Interacts with U5 snRNA, probably by binding to a purine-rich sequence located on the 3' side of U5 snRNA stem 1b. May be involved in a pre-mRNA coupled splicing and polyadenylation process as component of a snRNP-free complex with SNRPA/U1A. The SFPQ-NONO heteromer associated with MATR3 may play a role in nuclear retention of defective RNAs. SFPQ may be involved in homologous DNA pairing; in vitro, promotes the invasion of ssDNA between a duplex DNA and produces a D-loop formation. The SFPQ-NONO heteromer may be involved in DNA unwinding by modulating the function of topoisomerase I/TOP1; in vitro, stimulates dissociation of TOP1 from DNA after cleavage and enhances its jumping between separate DNA helices. The SFPQ-NONO heteromer may be involved in DNA nonhomologous end joining (NHEJ) required for double-strand break repair and V(D)J recombination and may stabilize paired DNA ends; in vitro, the complex strongly stimulates DNA end joining, binds directly to the DNA substrates and cooperates with the Ku70/G22P1-Ku80/XRCC5 (Ku) dimer to establish a functional preligation complex. SFPQ is involved in transcriptional regulation. Transcriptional repression is probably mediated by an interaction of SFPQ with SIN3A and subsequent recruitment of histone deacetylases (HDACs). The SFPQ-NONO/SF-1 complex binds to the CYP17 promoter and regulates basal and cAMP-dependent transcriptional avtivity. SFPQ isoform Long binds to the DNA binding domains (DBD) of nuclear hormone receptors, like RXRA and probably THRA, and acts as transcriptional corepressor in absence of hormone ligands. Binds the DNA sequence 5'-CTGAGTC-3' in the insulin-like growth factor response element (IGFRE) and inhibits IGF-I-stimulated transcriptional activity. |
| 保存条件 | Shipped at 4℃. Store at -20°C for one year. Avoid repeated freeze/thaw cycles. |
| 注意事项 | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
| 应用 | 推荐稀释比例 |
| {IHC-P} | {1:100-500} |
| {IHC-F} | {1:100-500} |
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SFPQ Rabbit pAb, AP conjugated(bs-19683R-AP)-100ul
￥2980
