Cloning and characterization of p70(S6K beta) defines a novel family of p70 S6 kinases.

Abstract:

: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 the potential phosphorylation sites of p70(S6K) are conserved in p70(S6Kbeta). Northern blot analysis identified two major transcripts of p70(S6Kbeta) that are ubiquitously expressed in human adult tissues. Similar to p70(S6K), p70(S6Kbeta) was activated by serum stimulation, and the serum-induced activation was inhibited by wortmannin and rapamycin. These findings suggest that p70(S6Kbeta) is an isoform of p70(S6K) with similar regulatory mechanisms.

authors

Saitoh M,ten Dijke P,Miyazono K,Ichijo H

doi

10.1006/bbrc.1998.9784

subject

Has Abstract

pub_date

1998-12-18 00:00:00

pages

470-6

issue

2

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(98)99784-4

journal_volume

253

pub_type

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