Characterisation of 5'-AMP-activated protein kinase in human liver using specific peptide substrates and the effects of 5'-AMP analogues on enzyme activity.

Abstract:

:A specific peptide (SAMS peptide) phosphorylation assay has previously been used to measure and subsequently purify rat liver 5'-AMP-activated protein kinase (AMPK). In this report, we show that this peptide and a peptide based on the sequence surrounding the site phosphorylated on 3-hydroxy-3-methylglutaryl-CoA (HMG-CoA) reductase by AMPK (HMG peptide) can be used to measure human liver AMPK. Our data demonstrate that both human and rat AMPKs have a higher affinity for the HMG peptide compared to the SAMS peptide. We have used these peptide phosphorylation assays to identify novel activators of AMPK.

authors

Sullivan JE,Carey F,Carling D,Beri RK

doi

10.1006/bbrc.1994.1627

subject

Has Abstract

pub_date

1994-05-16 00:00:00

pages

1551-6

issue

3

eissn

0006-291X

issn

1090-2104

pii

S0006291X84716275

journal_volume

200

pub_type

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