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SPI1 Antibody (C-term)
Affinity Purified Rabbit Polyclonal Antibody (Pab)
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Application 
| IF, IHC-P, WB, E |
|---|---|
| Primary Accession | P17947 |
| Other Accession | Q6BDS1, Q6PKU1, P17433, NP_003111.2, NP_001074016.1 |
| Reactivity | Human |
| Predicted | Mouse, Pig, Rat |
| Host | Rabbit |
| Clonality | Polyclonal |
| Isotype | Rabbit IgG |
| Calculated MW | 31083 Da |
| Antigen Region | 217-246 aa |
| Gene ID | 6688 |
|---|---|
| Other Names | Transcription factor PU1, 31 kDa-transforming protein, SPI1 |
| Target/Specificity | This SPI1 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 217-246 amino acids from the C-terminal region of human SPI1. |
| Dilution | IF~~1:10~50 WB~~1:1000 IHC-P~~1:10~50 |
| Format | Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification. |
| Storage | Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles. |
| Precautions | SPI1 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | SPI1 |
|---|---|
| Function | Pioneer transcription factor, which controls hematopoietic cell fate by decompacting stem cell heterochromatin and allowing other transcription factors to enter otherwise inaccessible genomic sites. Once in open chromatin, can directly control gene expression by binding genetic regulatory elements and can also more broadly influence transcription by recruiting transcription factors, such as interferon regulatory factors (IRFs), to otherwise inaccessible genomic regions (PubMed:23658224, PubMed:33951726). Transcriptionally activates genes important for myeloid and lymphoid lineages, such as CSF1R (By similarity). Transcriptional activation from certain promoters, possibly containing low affinity binding sites, is achieved cooperatively with other transcription factors. FCER1A transactivation is achieved in cooperation with GATA1 (By similarity). May be particularly important for the pro- to pre-B cell transition (PubMed:33951726). Binds (via the ETS domain) onto the purine-rich DNA core sequence 5'-GAGGAA-3', also known as the PU-box (PubMed:33951726). In vitro can bind RNA and interfere with pre-mRNA splicing (By similarity). |
| Cellular Location | Nucleus {ECO:0000255|PROSITE-ProRule:PRU00237, ECO:0000269|PubMed:33951726} |
| Tissue Location | In the bone marrow, concentrated in hematopoietic stem cell, lymphoid progenitor, myeloid lineage (granulocyte macrophage progenitors, classical dendritic cells, monocytes) and B-cell clusters Among B-cells, predominantly expressed in pre-B1 cells (PubMed:33951726). Expressed in germinal center B-cells (PubMed:23166356). |
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Provided below are standard protocols that you may find useful for product applications.
Background
This gene encodes an ETS-domain transcription factor that activates gene expression during myeloid and B-lymphoid cell development. The nuclear protein binds to a purine-rich sequence known as the PU-box found near the promoters of target genes, and regulates their expression in coordination with other transcription factors and cofactors. The protein can also regulate alternative splicing of target genes. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq].
References
Rimmele, P., et al. Cancer Res. 70(17):6757-6766(2010)
Bonadies, N., et al. Oncogene 29(7):1062-1072(2010)
Bonadies, N., et al. Blood 115(2):331-334(2010)
Desai, S., et al. J. Immunol. 183(9):5778-5787(2009)
Burda, P., et al. Mol. Cancer Res. 7(10):1693-1703(2009)
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