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- Bioss
- bs-1418P
- 2025年10月16日
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- 规格：
500ug
| 产品编号 | bs-1418P |
| 英文名称 | BOb-1 Antibody Blocking Peptide |
| 中文名称 | B细胞特异性转录因子封闭多肽 |
| 英文别名 | B-cell oct-binding protein 1; B-cell-specific coactivator OBF-1; POU domain class 2-associating factor 1; POU2AF1; OCT-binding factor 1; BOB-1; OCA-B. OBF1; OCA-B; OBF1_HUMAN; BOB.1. |
| 性状 | Lyophilized |
| 纯化方法 | HPLC |
| 研究领域 | Epigenetics and Nuclear Signaling > Transcription > Domain Families > Developmental Families > POU Immunology > Adaptive Immunity > B Cells > Non-CD |
| 亚细胞定位 | Nucleus. |
| 组织特异性 | B-cell specific. |
| 翻译后修饰 | Ubiquitinated; mediated by SIAH1 or SIAH2 and leading to its subsequent proteasomal degradation. |
| 相似性 | Belongs to the POU2AF1 family. |
| 功能 | Transcriptional coactivator that specifically associates with either OCT1 or OCT2. It boosts the OCT1 mediated promoter activity and to a lesser extent, that of OCT2. It has no intrinsic DNA-binding activity. It recognizes the POU domains of OCT1 and OCT2. It is essential for the response of B-cells to antigens and required for the formation of germinal centers. |
| 保存条件 | Shipped at 4℃. Stored at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 背景资料 | POU domain proteins contain a bipartite DNA-binding domain divided by a flexible linker that enables them to adopt various monomer configurations on DNA. The versatility of POU protein operation is additionally conferred at the dimerization level. The POU dimer from the OCT1 gene formed on the palindromic OCT factor recognition element, or PORE (ATTTGAAATGCAAAT), could recruit the transcriptional coactivator OBF1. Studies of tissue-specific expression of immunoglobulin promoters demonstrate the importance of an octamer, ATTTGCAT, and the proteins that bind to it. This is a regulatory element important for tissue- and cell-specific transcription as well as for transcription of a number of housekeeping genes. Oct-1 encodes one protein, NF-A1, which is found in nuclear extracts from all cell types and thus is not specific to lymphoid cells as is the protein NF-A2, which is encoded by Oct-2. A novel protein designated Bob 1 (B cell Oct binding protein 1), alternatively called OBF-1, specifically interacts with Oct-1 and Oct-2, enhancing their transcriptional efficacy. Bob 1 is expressed at highest levels in spleen and peripheral blood leukocytes and represents an Oct co-factor capable of conferring cell-specific activation of Oct-1 and Oct-2. Although having no intrinsic capacity for DNA binding, Bob 1 associates tightly with the octamer motif in the presence of Oct-1 and/or Oct-2. The gene which encodes Bob 1 maps to human chromosome 11q23.1. |
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BOb-1 Antibody Blocking Peptide(bs-1418P)-500ug
￥880
