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1: PRKAB1 protein kinase, AMP-activated, beta 1 non-catalytic subunit [ Homo sapiens ]

GeneID: 5564 updated 25-Nov-2009

[Top][Help]Summary

Official Symbol
PRKAB1provided by HGNC
Official Full Name
protein kinase, AMP-activated, beta 1 non-catalytic subunitprovided by HGNC
Primary Source
HGNC:9378
See related
Ensembl:ENSG00000111725; HPRD:04116; MIM:602740
Gene type
protein coding
RefSeq status
REVIEWED
Organism
Homo sapiens
Lineage
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
Also known as
AMPK; HAMPKb; MGC17785; PRKAB1
Summary
The protein encoded by this gene is a regulatory subunit of the AMP-activated protein kinase (AMPK). AMPK is a heterotrimer consisting of an alpha catalytic subunit, and non-catalytic beta and gamma subunits. AMPK is an important energy-sensing enzyme that monitors cellular energy status. In response to cellular metabolic stresses, AMPK is activated, and thus phosphorylates and inactivates acetyl-CoA carboxylase (ACC) and beta-hydroxy beta-methylglutaryl-CoA reductase (HMGCR), key enzymes involved in regulating de novo biosynthesis of fatty acid and cholesterol. This subunit may be a positive regulator of AMPK activity. The myristoylation and phosphorylation of this subunit have been shown to affect the enzyme activity and cellular localization of AMPK. This subunit may also serve as an adaptor molecule mediating the association of the AMPK complex. [provided by RefSeq]

[Top][Help]Genomic regions, transcripts, and products

(plus) Go to reference sequence detailsTry our new Sequence Viewer


[Top][Help]Genomic context

chromosome: 12; Location: 12q24.1See PRKAB1 in MapViewer

[Top][Help]Bibliography

Related Articles in PubMed

GeneRIFs: Gene References Into Function What's a GeneRIF?

PubMed 1. AMPK activates FOXO3 by promoting its nuclear translocation by reducing reactive oxygen species levels.
PubMed 2. Cellular polarity and energy metabolism are regulated through the conserved LKB1-AMPK signal transduction pathway.
PubMed 3. inhibition of AMPK sensitizes cells to Fas-induced apoptosis via enhancement of ubiquitination and consequent proteasome degradation of the apoptosis inhibitory protein c-FLIP
PubMed 4. AMP-activated protein kinase inhibits alkaline pH- and PKA-induced apical vacuolar H+-ATPase accumulation in epididymal clear cells.
PubMed 5. Inactivation of AMPK alters gene expression and promotes growth of prostate cancer cells.
PubMed 6. p53 activation may downregulate the AKT/mTOR pathway through a mechanism involving AMP kinase in mantle cell lymphoma
PubMed 7. Regulation of erythrocyte survival by AMPK is reported.
PubMed 8. AMP-activated protein kinase has a role in gene expression in single islet beta-cells [review]
PubMed 9. Brief intense interval exercise activates AMPK and p38 MAPK signaling and increases the expression of PGC-1alpha in human skeletal muscle.
PubMed 10. AMPK controls the molecular mechanism underlying the differential biological functions of JNK, providing a novel explanation for the antiapoptotic role of LKB1.
PubMed 11. Observational study of gene-disease association, gene-environment interaction, and pharmacogenomic / toxicogenomic. (HuGE Navigator)
PubMed 12. Data suggest that increased expression of malonyl CoA decarboxylase, and the decreased expression of acetyl CoA carboxylase and 5'-AMP activated protein kinase are important regulators of the maturation of fatty acid oxidation in the newborn human heart.
PubMed 13. These findings raise the possibility that glucose-induced changes in AMPK are linked to alterations in SIRT1 abundance and activity and possibly cellular redox state.
PubMed 14. UVB irradfiation regulates COX2 mRNA stability through AMPK and HuR in human keratinocytes.
PubMed 15. The proliferation potential of senescent human diploid fibroblasts can be modulated through the regulation of the AMPK signaling pathway.
PubMed 16. AMP-activated protein kinase contributes to UV- and H2O2-induced apoptosis in human skin keratinocytes
PubMed 17. Inhibition of SIRT1 in telomerase-immortalized human cells and hematopoietic stem cells obtained from SIRT1-deficient mice enhanced cell growth under normal and nutrient limiting conditions.
PubMed 18. Results report that oxygen deprivation can activate the autophagic pathway in human cancer cell lines via AMPK activity, independent of HIF-1, BNIP3, and BNIP3L.
PubMed 19. Akt and AMPK have roles in the pathway of hydrogen peroxide-activated endothelial nitric-oxide synthase phosphorylation and function
PubMed 20. AMPK activated by fluid shear stress is a novel regulator of FoxO1a phosphorylation and protein levels.
PubMed 21. the activities of AMP-activated protein kinase, protein kinase B, and mammalian target of rapamycin by limiting energy availability with 2-deoxyglucose
PubMed 22. modulating basal AMPK and CAMKKB activity in the hypothalamus is essential for maintaining tight regulation of pathways contributing to food intake
PubMed 23. AMPK inhibits TGFbeta-induced transcription downstream of Smad3 COOH-terminal phosphorylation and nuclear translocation
PubMed 24. findings show that that a beta1(186-270)gamma1 complex can form in the absence of detectable alpha subunit and that beta1 Thr-263 and Tyr-267 are required for betagamma association but not alphabeta association
PubMed 25. AMPK activity is a key determinant of HIF-1 functions in response to reactive oxygen species and may be involffed in HIF-1 regulatory mechanisms.
PubMed 26. AMP-activated protein kinase (AMPK) regulates GLUT4 transcription through the histone deacetylase (HDAC)5 transcriptional repressor.
PubMed 27. AMPK regulates the proteasomal activity under conditions of energy demand.
PubMed 28. Grb2 functions as a factor which mediates phosphorylation of AMPK at Thr172.
PubMed 29. Observational study of gene-disease association. (HuGE Navigator)
PubMed 30. metformin-mediated AMPK activation leads to inhibition of mTOR and a reduction in translation initiation
PubMed 31. regulation of FOXO3 by AMPK may play a crucial role in fine tuning gene expression programs that control energy balance and stress resistance in cells throughout life
PubMed 32. These results suggest that activation of AMPK inhibits multiple myeloma (MM) cell growth despite stimulation with IL-6, IGF-1, or HS-5 stromal cell conditioned medium and represents a potential new target in the therapy of MM.
PubMed 33. phosphatidylinositol 3-kinase/Akt signaling and induces apoptosis is inhibited by energy depletion via AMP-activated protein kinase-dependent phosphorylation of IRS-1 at Ser-794
PubMed 34. AMPK mediates IL-2 production by regulating NF-AT and AP-1activation during T cell stimulation.
PubMed 35. Results suggest that FLCN, mutated in Birt-Hogg-Dube syndrome, and its interacting partner FNIP1 may be involved in energy and/or nutrient sensing through the AMPK and mTOR signaling pathways.
PubMed 36. These results show that AICAR and insulin/IGF-1 regulate VEGF expression through different mechanisms.
PubMed 37. it is likely that the AMPK-GDE association is a novel mechanism regulating AMPK activity and the resultant fatty acid oxidation and glucose uptake
PubMed 38. These results suggested that the combination of 5-FU and genistein exert a novel chemotherapeutic effect in colon cancers, and AMPK may be a regulatory molecule of COX-2 expression, further implying its involvement in cytotoxicity caused by genistein.
PubMed 39. AMPK phosphorylated TRIP6 in vitro at the N-terminus and the transcriptional co-activator properties of TRIP6 were enhanced by AMPK action.
PubMed 40. analysis of a new model for AMPK heterotrimer structure where through its C terminus the beta-subunit binds to the alpha-subunit that, in turn, binds to the gamma-subunit
PubMed 41. Reduced activation of AMPK by globular adiponectin in obese and obese type 2 diabetic subjects is not caused by reduced adiponectin receptor expression.
PubMed 42. AMPK activation and a reduced phosphorylation of 4E-BP1 may contribute to the inhibition of muscle protein synthesis during resistance exercise.
PubMed 43. These are the first data to show an effect of AMPK on cell movement, and suggest a fundamental role for energy deficiency in regulating cellular behaviour.
PubMed 44. Endothelial cells possess two pathways to activate AMPK, one Ca2+/CaMKKbeta dependent and one AMP/LKB1 dependent.
PubMed 45. 5-Aminoimidazole-4-carboxamide riboside sensitizes TRAIL- and TNF{alpha}-induced cytotoxicity in colon cancer cells through AMP-activated protein kinase signaling
PubMed 46. Dipyridamole, an adenosine transporter inhibitor, and 5'-amino-5'-deoxyadenosine, an adenosine kinase inhibitor, blocked the effect of AICAR on the down-regulation of the insulin receptor protein, mRNA, and promoter activity.
PubMed 47. AMPK has a role in regulating growth of cultured human keratinocytes
PubMed 48. In conclusion, during prolonged submaximal exercise at 60% VO2peak, higher fat oxidation in women cannot be explained by higher AMPK signalling.
PubMed 49. modulation of AMPK activity did not affect PI3K/AKT signalling, an advantage for the potential use of AMPK as a target for cancer therapy in LKB1 wild-type tumours
PubMed 50. These findings suggest that the activation of JAK2, but not STAT3, may play a critical role in leptin-induced AMPK activation in Huh7 cells.

[Top][Help]Interactions

Description ..........
  Product Interactant Other Gene Complex Source Pubs          
 
  NP_006244.2   NP_002724.1   PRKAG1      HPRD    PubMed
 
  NP_006244.2   NP_057287.2   PRKAG2      HPRD    PubMed
Affinity Capture-MS
  BioGRID:111551   BioGRID:106563   ACLY      BioGRID    PubMed
Affinity Capture-MS
  BioGRID:111551   BioGRID:128022   DHX36      BioGRID    PubMed
Affinity Capture-MS
  BioGRID:111551   BioGRID:113271   EZR      BioGRID    PubMed
Two-hybrid
  BioGRID:111551   BioGRID:108457   F10      BioGRID    PubMed
Affinity Capture-Western
  BioGRID:111551   BioGRID:125175   FNIP1      BioGRID    PubMed
Affinity Capture-MS
  BioGRID:111551   BioGRID:109252   GYS1      BioGRID    PubMed
Affinity Capture-MS
  BioGRID:111551   BioGRID:110311   MARS      BioGRID    PubMed
Affinity Capture-MS
  BioGRID:111551   BioGRID:110713   MYH10      BioGRID    PubMed
Two-hybrid
  BioGRID:111551   BioGRID:110781   NDUFA7      BioGRID    PubMed
Affinity Capture-MS
  BioGRID:111551   BioGRID:111552   PRKAB2      BioGRID    PubMed
Two-hybrid
  BioGRID:111551   BioGRID:111558   PRKAG1      BioGRID    PubMed
Two-hybrid
  BioGRID:111551   BioGRID:119531   PRKAG2      BioGRID    PubMed
Two-hybrid
  BioGRID:111551   BioGRID:119791   PRKAG3      BioGRID    PubMed
Affinity Capture-MS
  BioGRID:111551   BioGRID:116661   SNRNP200      BioGRID    PubMed

[Top][Help]General gene information

Markers

L18426(e-PCR)
Links: UniSTS:34648
RH98832(e-PCR)
Links: UniSTS:85365
G19710(e-PCR)
Links: UniSTS:10112
A001W18(e-PCR)
Links: UniSTS:10113
WI-13962(e-PCR)
Links: UniSTS:25505
WI-19637(e-PCR)
Links: UniSTS:4787
G44705(e-PCR)
Links: UniSTS:95180
SHGC-81002(e-PCR)
Links: UniSTS:102624
RH48906(e-PCR)
Links: UniSTS:74209

Homology

Homologs of the PRKAB1 gene The PRKAB1 gene is conserved in chimpanzee, dog, cow, mouse, rat, chicken, zebrafish, fruit fly, mosquito, and A.thaliana.


Map Viewer (Mouse, Rat)

Pathways

KEGG pathway: Adipocytokine signaling pathway
04920
KEGG pathway: Hypertrophic cardiomyopathy (HCM)
05410
KEGG pathway: Insulin signaling pathway
04910
Reactome Event:Integration of energy metabolism
REACT_1505

[Top][Help]General protein information

Preferred Names
AMP-activated protein kinase beta 1 non-catalytic subunit
Names
AMP-activated protein kinase beta 1 non-catalytic subunit
AMPK beta 1
AMPK beta -1 chain
AMP-activated protein kinase beta subunit
5'-AMP-activated protein kinase beta-1 subunit
protein kinase, AMP-activated, noncatalytic, beta-1

[Top][Help]NCBI Reference Sequences (RefSeq)

RefSeqs maintained independently of Annotated Genomes

These reference sequences exist independently of genome builds. Explain

mRNA and Protein(s)

  1. NM_006253.4NP_006244.2  AMP-activated protein kinase beta 1 non-catalytic subunit

    Source sequence(s)
    AF022116,BC017671,BU539177
    Consensus CDS
    CCDS9191.1
    UniProtKB/Swiss-Prot
    Q9Y478
    Conserved Domains (2) summary
    cd02859
    Location:77154
    Blast Score: 318
    AMPKbeta_GBD_like; AMP-activated protein kinase (AMPK) beta subunit glycogen binding domain (GBD). AMPK is a metabolic stress sensing protein that senses AMP/ATP and has recently been found to act as a glycogen sensor as well. The protein functions as a alpha-beta-gamma...
    pfam04739
    Location:180256
    Blast Score: 291
    AMPKBI; 5'-AMP-activated protein kinase, beta subunit, complex-interacting region

RefSeqs of Annotated Genomes: Build 37.1

The following sections contain reference sequences that belong to a specific genome build. Explain

Genome Reference Consortium Human Build 37 (GRCh37), Primary_Assembly

Genomic

  1. NC_000012.11

    Range
    120105760..120119428
    Download
    GenBank FASTA Sequence Viewer (Graphics)
  2. NT_009775.17 

    Range
    10682290..10695958
    Download
    GenBank FASTA Sequence Viewer (Graphics)

Alternate assembly (Celera)

Genomic

  1. AC_000055.1

    Range
    119738815..119752481
    Download
    GenBank FASTA Sequence Viewer (Graphics)
  2. NW_925395.1 

    Range
    67362644..67376310
    Download
    GenBank FASTA Sequence Viewer (Graphics)

Alternate assembly (HuRef)

Genomic

  1. AC_000144.1

    Range
    117113890..117127560
    Download
    GenBank FASTA Sequence Viewer (Graphics)
  2. NW_001838063.1 

    Range
    8778796..8792466
    Download
    GenBank FASTA Sequence Viewer (Graphics)

[Top][Help]Related Sequences

  Nucleotide   Protein
  genomic   AC002563.1   AAB71326.1
  genomic   CH471054.1   EAW98151.1
       EAW98152.1
       EAW98153.1
       EAW98154.1
  genomic   U87276.1   AAD00625.1
  mRNA   AF022116.1   AAC98897.1
  mRNA   AJ224515.1   CAA12024.1
  mRNA   AK127820.1   None
  mRNA   AK301165.1   BAG62754.1
  mRNA   AK312495.1   BAG35397.1
  mRNA   BC001007.2   AAH01007.1
  mRNA   BC001056.2   AAH01056.1
  mRNA   BC001823.2   AAH01823.1
  mRNA   BC017671.1   AAH17671.1
  mRNA   BC018818.2   None
  mRNA   BU539177.1   None
  mRNA   BX537486.1   None
  mRNA   CR596319.1   None
  mRNA   U83994.1   AAD09237.1
  mRNA   Y12556.1   CAA73146.1
Protein Accession   Links
Q9Y478.4   GenPept   UniProtKB/Swiss-Prot:Q9Y478

[Top][Help]Additional Links