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SRP5055

Sigma-Aldrich

p70S6Kb, active, GST tagged human

PRECISIO® Kinase, recombinant, expressed in baculovirus infected Sf9 cells, ≥70% (SDS-PAGE), buffered aqueous glycerol solution

Synonym(s):

KLS, P70-β, P70-β-1, P70-β-2, RPS6KB2, S6K-β2, S6K2, SRK, STK14B, p70(S6K)-β

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About This Item

UNSPSC Code:
12352200
NACRES:
NA.32

recombinant

expressed in baculovirus infected Sf9 cells

product line

PRECISIO® Kinase

Assay

≥70% (SDS-PAGE)

form

buffered aqueous glycerol solution

specific activity

91-123 nmol/min·mg

mol wt

~85 kDa

NCBI accession no.

BC000094

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... RPS6KB2(6199)

General description

p70S6Kb is a member of the RSK (ribosomal S6 kinase) family of serine/threonine kinases and is activated by mitogenic stimuli, including growth factors, cytokines, and phorbol esters. p70S6Kb contains 2 nonidentical kinase catalytic domains and phosphorylates the S6 ribosomal protein and eucaryotic translation initiation factor 4B. Phosphorylation of S6 leads to an increase in protein synthesis and cell proliferation. PI3 kinase pathway and mTOR are involved in the activation of p70S6Kb but other pathways can also activate this target protein.

Physical form

Supplied in 50mM Tris-HCl, pH 7.5, 150mM NaCl, 10mM glutathione, 0.1mM EDTA, 0.25mM DTT, 0.1mM PMSF, 25% glycerol.

Preparation Note

after opening, aliquot into smaller quantities and store at -70 °C. Avoid repeating handling and multiple freeze/thaw cycles

Legal Information

PRECISIO is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
Q247-3

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M Saitoh et al.
Biochemical and biophysical research communications, 253(2), 470-476 (1999-01-08)
The human cDNA encoding a novel protein serine/threonine kinase most closely related to p70 S6 kinase was isolated from the human erythroleukemia cDNA library and termed p70(S6Kbeta). p70(S6Kbeta) has 67% amino acid identity in overall sequence with human p70(S6K), and
I Gout et al.
The Journal of biological chemistry, 273(46), 30061-30064 (1998-11-07)
A novel ribosomal S6 kinase, termed p70 S6 kinase beta (p70beta), which has a highly conserved amino acid sequence compared with that of p70/p85 S6 kinase (p70alpha) within the catalytic, kinase extension, and autoinhibitory pseudosubstrate domains, was identified. However, the

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