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STAT 4 (Signal Transducer and Activator of Transcription 4, STAT4)

Cat no: S7972-02H

Supplier: United States Biological
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The STAT 4 protein is a transcription factor activated by hormone and cytokines. STAT 4 is most similar to STAT 1 (52%) and STAT 3 (47%). Functionally STAT 4 is similar to other STAT family members in that it can be tyrosine phosphorylated by JAK 1 or JAK 2. STAT 4 forms homodimers and heterodimers with related STAT family members. Tyrosine phosphorylated STAT 4 can bind the interferon g activated site (GAS), and serine phosphorylation is also required for maximal transcriptional activity. STAT 4 expression is restricted to the thymus, spleen, and testis. Applications: Suitable for use in Western Blot and Immunohistochemistry. Other applications not tested. Recommended Dilutions: Western Blot:1:500-1:1000 Immunohistochemistry:1:50-1:100 Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Catalogue number: S7972-02H
Reactivities: Human, Mouse, Rat
Hosts: Rabbit
Applications: Immunohistochemistry, Western Blot
Size: 50ug
Form: Supplied as a liquid in PBS (without Mg2+ and Ca2+), pH 7.4, 0.02% sodium azide, 50% glycerol.
P type: Pab
Isotype: IgG
Purity: Purified by immunoaffinity chromatography
Additional info: Recognizes endogenous levels of total human STAT 4. Species Crossreactivity: mouse and rat

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