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- bs-7417P
- 2025年10月16日
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- 规格：
500ug
| 产品编号 | bs-7417P |
| 英文名称 | SAP155/SF3B1 Antibody Blocking Peptide |
| 中文名称 | 剪接体相关蛋白155封闭多肽 |
| 英文别名 | Hsh 155; MDS; Pre mRNA processing 10; Pre mRNA splicing factor SF3b 155 kDa subunit; PRP 10; PRP10; PRPF 10; PRPF10; SAP 155; SAP155; SF3B 1; SF3B 1; SF3b155; Spliceosome associated protein 155; Splicing factor 3b subunit 1 155kDa; Splicing factor 3B subunit 1; SF3B1_HUMAN. |
| 纯化方法 | HPLC |
| 研究领域 | Epigenetics and Nuclear Signaling > DNA / RNA > RNA Processing > Splicing |
| 亚基 | Identified in the spliceosome C complex. Component of the U11/U12 snRNPs that are part of the U12-type spliceosome. Component of splicing factor SF3B which is composed of at least eight subunits; SF3B1/SAP155/SF3B155, SF3B2/SAP145/SF3B155, SF3B3/SAP130/SF3B130, SF3B4/SAP49/SF3B49, SF3B14A, PHF5A/SF3B14B, SF3B10 and SF3B125. Component of the B-WICH complex, at least composed of SMARCA5/SNF2H, BAZ1B/WSTF, SF3B1, DEK, MYO1C, ERCC6, MYBBP1A and DDX21. SF3B associates with the splicing factor SF3A and a 12S RNA unit to form the U2 small nuclear ribonucleoproteins complex (U2 snRNP). SF3B1 interacts directly with the splicing factor U2AF. Phosphorylated form interacts with PPP1R8. |
| 亚细胞定位 | Nucleus speckle. Note=During mitosis, transiently dispersed from the nuclear speckles to the cytoplasm. |
| 翻译后修饰 | Phosphorylated. Phosphorylation occurs concomitantly with the splicing catalytic steps. Phosphorylation on Thr-244, Thr-248 and Thr-313 by cyclin-dependent kinases promotes interaction with PPP1R8 during mitosis. |
| 相似性 | Belongs to the SF3B1 family. Contains 11 HEAT repeats. |
| 功能 | SF3B1 is subunit 1 of the splicing factor 3b protein complex. Splicing factor 3b, together with splicing factor 3a and a 12S RNA unit, forms the U2 small nuclear ribonucleoproteins complex (U2 snRNP). The splicing factor 3b/3a complex binds pre-mRNA upstream of the intron's branch site in a sequence independent manner and may anchor the U2 snRNP to the pre-mRNA. Splicing factor 3b is also a component of the minor U12-type spliceosome. The carboxy-terminal two-thirds of subunit 1 have 22 non-identical, tandem HEAT repeats that form rod-like, helical structures. |
| 保存条件 | Shipped at 4℃. Stored at -20℃ 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. |
| 背景资料 | SAP 155 is a 1,304 amino acid member of the SF3B1 family and contains eleven HEAT repeats. Localized to nuclear speckles and also to the cytoplasm during mitosis, SAP 155 is a subunit of the SF3B splicing factor. The SF3B splicing factor is a U2 snRNP-associated protein complex essential for spliceosome assembly. SF3B contains the spliceosomal proteins SAP 49, SAP 130, SAP 145 and SAP 155. Concomitant with splicing catalysis, SAP 155 is phosphorylated at its N-terminal Thr-Pro dipeptide motifs by Dyrk1A and cyclin E/Cdk2. This modification of SAP 155 is vital for a functional spliceosome as it is an essential event in the basic splicing reaction. Due to alternative splicing events, various SAP 155 isoforms are produced. |
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SAP155/SF3B1 Antibody Blocking Peptide(bs-7417P)-500ug
￥880
