PU.1/SPI1 Protein, Human, Recombinant (His)

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Catalog No. TMPY-06917

PU.1/SPI1 Protein, Human, Recombinant (His) is expressed in E. coli expression system with His tag. The predicted molecular weight is 32.04 kDa and the accession number is P17947.

PU.1/SPI1 Protein, Human, Recombinant (His)

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Catalog No. TMPY-06917

PU.1/SPI1 Protein, Human, Recombinant (His) is expressed in E. coli expression system with His tag. The predicted molecular weight is 32.04 kDa and the accession number is P17947.

Pack Size	Price	USA Warehouse	Global Warehouse
5 μg	$79	7-10 days	7-10 days
10 μg	$129	7-10 days	7-10 days
20 μg	$208	7-10 days	7-10 days
50 μg	$419	7-10 days	7-10 days
100 μg	$812	7-10 days	7-10 days

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In Stock Estimated shipping dateUSA Warehouse [1-2 days] Global Warehouse [5-7 days]

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User Guide of Recombinant Proteins

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Biological Activity	Activity testing is in progress. It is theoretically active, but we cannot guarantee it. If you require protein activity, we recommend choosing the eukaryotic expression version first.
Description	PU.1/SPI1 Protein, Human, Recombinant (His) is expressed in E. coli expression system with His tag. The predicted molecular weight is 32.04 kDa and the accession number is P17947.
Species	Human
Expression System	E. coli
Tag	N-His
Accession Number	P17947
Synonyms	spleen focus forming virus (SFFV) proviral integration oncogene,SPI-A,SPI-1,SFPI1,PU.1,OF
Construction	A DNA sequence encoding the Human SPI1 (P17947) (Met1-His270) was expressed, with a polyhistidine tag at the N-terminus. Predicted N terminal: Met
Protein Purity	≥ 90 % as determined by SDS-PAGE.
Molecular Weight	32.04 kDa (predicted)
Endotoxin	< 1.0 EU/μg of the protein as determined by the LAL method.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS, 0.05% SKL. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
Reconstitution	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Stability & Storage	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	In general, lyophilized powders are shipped with blue ice, while solutions are shipped with dry ice.
Research Background	SPI1 (also known as PU.1) is a dominant but transient regulator in early T-cell precursors and a potent transcriptional controller of developmentally important pro-T-cell genes. SPI1 is an essential transcription factor (TF) for the hematopoietic lineage, in which its expression is tightly controlled through a -17-kb upstream regulatory region and a promoter region. The E26 transformation-specific (ETS) family transcription factor PU.1/Spi1 acts as a master regulator of myeloid and lymphoid development. PU.1-deficient mice show a complete loss of microglia, indicating that PU.1 plays a pivotal role in micro-gliogenesis. The Spi1/PU.1 transcription factor is a key regulator of many steps of hematopoiesis, and limits self-renewal of hematopoietic stem cells. The deregulation of its expression or activity contributes to leukemia, in which Spi1 can be either an oncogene or a tumor suppressor.