The protein encoded by this gene is a member of the STAT family of transcription factors. In response to cytokines and growth factors, STAT family members are phosphorylated by the receptor associated kinases, and then form homo- or heterodimers that translocate to the cell nucleus where they act as transcription activators. This protein is essential for mediating responses to IL12 in lymphocytes, and regulating the differentiation of T helper cells. Mutations in this gene may be associated with systemic lupus erythematosus and rheumatoid arthritis. Alternate splicing results in multiple transcript variants that encode the same protein. [provided by RefSeq, Aug 2011]
Catalog No
A0049
Reactivity
Human, Mouse, Rat
Applications
WB, IHC-p, IF(paraffin section), ELISA
Modification
Phospho Specific
Source
Polyclonal Rabbit
Dilution
Western Blot: 1/500 - 1/2000. Immunohistochemistry: 1/100 - 1/300. ELISA: 1/20000. Not yet tested in other applications.
Purification
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Concentration
1 mg/ml
Storage and Stability
-20°C/1 year
Other Name
STAT4; Signal transducer and activator of transcription 4
Molecular Weight (Da)
85941
Gene Name
STAT4
Protein Name
Signal transducer and activator of transcription 4
Human Gene ID
6775
Human Swiss Prot No.
Q14765
Immunogen
Synthesized phospho-peptide around the phosphorylation site of human Stat4 (phospho Tyr693)
Specificity
Phospho-Stat4 (Y693) Polyclonal Antibody detects endogenous levels of Stat4 protein only when phosphorylated at Y693.
Formulation
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Immunohistochemistry analysis of paraffin-embedded human breast cancer, using STAT4 (Phospho-Tyr693) Antibody. The picture on the right is blocked with the STAT4 (Phospho-Tyr693) peptide.
Enzyme-Linked Immunosorbent Assay (Phospho-ELISA) for Immunogen Phosphopeptide (Phospho-left) and Non-Phosphopeptide (Phospho-right), using STAT4 (Phospho-Tyr693) Antibody
Immunohistochemical analysis of paraffin-embedded Human breast cancer. Antibody was diluted at 1:100(4° overnight). High-pressure and temperature Tris-EDTA,pH8.0 was used for antigen retrieval. Negetive contrl (right) obtaned from antibody was pre-absorbed by immunogen peptide.