Human STAT5a Alexa Fluor® 594-conjugated Antibody
R&D Systems, part of Bio-Techne | Catalog # IC21741T
Conjugate
Catalog #
Key Product Details
Species Reactivity
Human
Applications
Intracellular Staining by Flow Cytometry
Label
Alexa Fluor 594 (Excitation = 590 nm, Emission = 617 nm)
Antibody Source
Monoclonal Mouse IgG1 Clone # 251610
Product Specifications
Immunogen
Human STAT5a synthetic peptide
SLDSRLSPPAGLFTSARGSLS
Accession # NP_003143
SLDSRLSPPAGLFTSARGSLS
Accession # NP_003143
Specificity
Detects human STAT5a. This antibody does not cross-react with STAT5b.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG1
Applications for Human STAT5a Alexa Fluor® 594-conjugated Antibody
Application
Recommended Usage
Intracellular Staining by Flow Cytometry
0.25-1 µg/106 cells
Sample: Jurkat human acute T cell leukemia cell line fixed with paraformaldehyde and permeabilized with methanol
Sample: Jurkat human acute T cell leukemia cell line fixed with paraformaldehyde and permeabilized with methanol
Please Note: Optimal dilutions of this antibody should be experimentally determined.
Formulation, Preparation, and Storage
Purification
Protein A or G purified from hybridoma culture supernatant
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Background: STAT5a
STAT5a (Signal Transducer and Activator of Transcription-5a) is one of two closely related genes that belong to the STAT family of transcription factors. It is a 91 kDa cytosolic protein that contains an N-terminal domain (with an NES/Nuclear Export Signal) a coiled-coiled region (with an NLS/Nuclear Localization Signal) a DNA-binding site that recognizes a GAS (Gamma-interferon Activated Site) motif, an SH2 domain that allows for dimerization, and a C-terminal transactivation domain. STAT5a likely exists in a quiescent state as a cytoplasmic anti-parallel homodimer. Following activation of both tyrosine and non-tyrosine kinase membrane-bound receptors, STAT5a is phosphorylated, increasing its MW by some 5-6 kDa. Phosphorylated STAT5a will enter the nucleus as either a homodimer (or heterodimer with STAT5b), or as a complex with the intracellular domain of a tyrosine kinase receptor such as ErbB4. Once in the nucleus, STAT5a will form a homotetramer and bind either GAS or GAS-related sequences in gene regulatory regions. Notably, it is suggested that STAT5a may "cycle" through the nucleus without phosphorylation, a process that would seem to involve Importins alpha3 and beta1. STAT5a is related to STAT5b through gene duplication. They show 92% amino acid (aa) sequence identity, with the major differences existing over aa 45-56 and 773-794. The genes are not entirely redundant; STAT5a activates NDGR1 and SH2, while STAT5b regulates the Treg T cell genes, FoxP3 and CD25/IL-2R alpha.
Long Name
Signal Transducer and Activator of Transcription 5
Alternate Names
MGF, signal transducer and activator of transcription 5A, STAT5
Gene Symbol
STAT5A
UniProt
Additional STAT5a Products
Product Documents for Human STAT5a Alexa Fluor® 594-conjugated Antibody
Product Specific Notices for Human STAT5a Alexa Fluor® 594-conjugated Antibody
This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.
For research use only
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