Human/Mouse Phospho-RSK1 (S221)/RSK2 (S227) Alexa Fluor® 488-conjugated Antibody

Catalog #: FAB892G Datasheet / COA / SDS

Recombinant Monoclonal Antibody

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FAB892G-100UG

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Human/Mouse Phospho-RSK1 (S221)/RSK2 (S227) Alexa Fluor® 488-conjugated Antibody Summary

Species Reactivity

Human, Mouse

Specificity

Detects human and mouse RSK1 when phosphorylated at S221, and human and mouse RSK2 when phosphorylated at S227.

Source

Monoclonal Rabbit IgG Clone # 1019B

Purification

Protein A or G purified

Immunogen

Phosphopeptide containing the human RSK1 S221 site

Formulation

Supplied 0.2mg/ml in 1X PBS with RDF1 and 0.09% Sodium Azide

Label

Alexa Fluor 488 (Excitation= 488 nm, Emission= 515-545 nm)

Applications

Recommended Concentration

Sample

Western Blot

Optimal dilution of this antibody should be experimentally determined.

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

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Preparation and Storage

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

Background: RSK1

RSK1 (Ribosomal S6 Kinase 1), gene name RPS6KA1 (Ribosomal Protein S6 Kinase alpha 1), also known as p90RSK1 (90 kDa RSK1) or MAPKAPK 1a (MAPK Activated Protein Kinase 1a), is a widely expressed member of the RSK family of growth factor-regulated serine/threonine kinases. RSK proteins contain two non-identical kinase catalytic domains, and mediate activation of Mitogen-Activated Kinase (MAPK) cascades and stimulation of cell proliferation and differentiation. Interaction with Erk1 and Erk2 initiates an ordered phosphorylation sequence which regulates RSK activation. Phosphorylation of Ser 380 recruites PDK1 which, in turn, phosphorylates RSK1 in the activation loop at Ser 221 (or Ser227 in RSK2).

Long Name

Ribosomal Protein S6 Kinase I

Entrez Gene IDs

6195 (Human); 20111 (Mouse); 81771 (Rat)

Alternate Names

90kD, polypeptide 1); EC 2.7.11; EC 2.7.11.1,90 kDa ribosomal protein S6 kinase 1; HU-1; MAP kinase-activated protein kinase 1a; MAPK-activated protein kinase 1a; MAPKAP kinase 1a; MAPKAPK-1a; MAPKAPL1A; p90RSK1; p90S6K; ribosomal protein S6 kinase alpha 1; ribosomal protein S6 kinase alpha-1; ribosomal protein S6 kinase, 90kD, polypeptide 1; ribosomal protein S6 kinase, 90kDa, polypeptide 1; Ribosomal S6 kinase 1; RPS6KA1; RSK; RSK1; RSK-1; RSK1p90-RSK 1; S6K-alpha 1; S6K-alpha-1