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- Table of Contents
Designing a Western blot for RPS6KA3? The guide has the expected band size, antibodies backed by real blot images, the controls to run alongside, and protocols taken from published papers.
Open the RPS6KA3 Western Blot GuideFacts about Ribosomal protein S6 kinase alpha-3.
In response to mitogenic stimulation (EGF and PMA), phosphorylates and activates NR4A1/NUR77 and ETV1/ER81 transcription factors and the cofactor CREBBP. Upon insulin-derived signal, acts indirectly on the transcription regulation of several genes by phosphorylating GSK3B in'Ser-9' and inhibiting its activity.
| Human | |
|---|---|
| Gene Name: | RPS6KA3 |
| Uniprot: | P51812 |
| Entrez: | 6197 |

| Belongs to: |
|---|
| protein kinase superfamily |

90 kDa ribosomal protein S6 kinase 3; CLS; Coffin-Lowry syndrome; EC 2.7.11; EC 2.7.11.1; HU-3; Insulin-stimulated protein kinase 1; ISPK1; ISPK-1; MAP kinase-activated protein kinase 1b; MAPK-activated protein kinase 1b; MAPKAP kinase 1b; MAPKAPK1B; MAPKAPK-1b; mental retardation, X-linked 19; MRX19; p90-RSK2; p90RSK3; pp90RSK2; ribosomal protein S6 kinase alpha-3; ribosomal protein S6 kinase, 90kD, polypeptide 3; ribosomal protein S6 kinase, 90kDa, polypeptide 3; Ribosomal S6 kinase 2; RPS6KA3; RSK; RSK2; RSK-2; RSK2p90-RSK 3; S6K-alpha3; S6K-alpha-3
Mass (kDA):
83.736 kDA

| Human | |
|---|---|
| Location: | Xp22.12 |
| Sequence: | X; NC_000023.11 (20149911..20267514, complement) |
Expressed in many tissues, highest levels in skeletal muscle.
Nucleus. Cytoplasm.






PMID: 7813820 by Bjoerbaek C., et al. Cloning of a human insulin-stimulated protein kinase (ISPK-1) gene and analysis of coding regions and mRNA levels of the ISPK-1 and the protein phosphatase-1 genes in muscle from NIDDM patients.
PMID: 8141249 by Moller D.E., et al. Human rsk isoforms: cloning and characterization of tissue-specific expression.