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SPI1 Antibody

Purified Mouse Monoclonal Antibody (Mab)

     
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  • 1 - SPI1 Antibody AM8640b
    All lanes : Anti-SPI1 Antibody at 1:500-1:1000 dilution Lane 1: K562 whole cell lysate Lane 2: Daudi whole cell lysate Lane 3: THP-1 whole cell lysate Lysates/proteins at 20 µg per lane. Secondary Goat Anti-mouse IgG, (H+L), Peroxidase conjugated at 1/10000 dilution. Predicted band size : 31 kDa Blocking/Dilution buffer: 5% NFDM/TBST.
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Product Information
Application
  • Applications Legend:
  • E=ELISA
  • WB=Western Blotting
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin)
  • IP=Immunoprecipitation
  • IF=Immunofluorescence
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • FC=Flow Cytometry
  • DB=Dot Blot
WB, E
Primary Accession P17947
Reactivity Human, Mouse
Host Mouse
Clonality monoclonal
Isotype IgG1,k
Clone Names 1835CT291.10.52
Calculated MW 31083 Da
Additional Information
Gene ID 6688
Other Names Transcription factor PU.1, 31 kDa-transforming protein, SPI1
Target/Specificity This SPI1 antibody is generated from a mouse immunized with a recombinant protein of human SPI1.
Dilution WB~~1:500-1:1000
E~~Use at an assay dependent concentration.
Format Purified monoclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein G column, followed by dialysis against PBS.
StorageMaintain 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.
PrecautionsSPI1 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
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).
Research Areas

For Research Use Only. Not For Use In Diagnostic Procedures.

BACKGROUND

Binds to the PU-box, a purine-rich DNA sequence (5'- GAGGAA-3') that can act as a lymphoid-specific enhancer. This protein is a transcriptional activator that may be specifically involved in the differentiation or activation of macrophages or B- cells. Also binds RNA and may modulate pre-mRNA splicing (By similarity).

REFERENCES

Ray D.,et al.Oncogene 5:663-668(1990).
Ray D.,et al.Oncogene 5:1611-1612(1990).
Li W.B.,et al.Submitted (FEB-2001) to the EMBL/GenBank/DDBJ databases.
Taylor T.D.,et al.Nature 440:497-500(2006).
Rao S.,et al.J. Biol. Chem. 274:11115-11124(1999).

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