Database for Annotation, Visualization and Integrated Discovery 2.1
National Institute of Allergy and Infectious Disease
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protein kinase cAMP-activated catalytic subunit beta(PRKACB) protein kinase cAMP-activated catalytic subunit beta(PRKACB) Related Genes Homo sapiens
CYTOBAND 1p36.1,
GENERIF_SUMMARY c-MYC induces the activity of protein kinase A by inducing the transcription of the gene encoding the PKA catalytic subunit beta in multiple tissues, independent of cell proliferation by direct binding of c-MYC to promoter sequences., Data describe the identification of a variant of the beta catalytic subunit of cyclic AMP-dependent protein kinase (PKACbeta) as a p75 neurotrophin receptor(NTR)-interacting protein, which phosphorylates p75(NTR) at Ser304., there are abnormalities in [3H]cAMP binding and catalytic activity kinase A in brain of depressed suicide victims, which could be due to reduced expression of RIIbeta and Cbeta., there is a PKA-Cbeta-mediated inhibitory mechanism of p73 function, Murine lymphoid tissues express a protein that is a homologue of human protein kinase c subunit beta2, In conclusion, it seems that the Cbeta isoforms of PKA play different roles in proliferation and differentiation and could therefore be potential markers for prostate cancer progression., Data provide the first evidence that Protein kinase C -beta play pivotal role in the regulation of AA production and cellular proliferation of human monocytoid MonoMac-6 cells., Nuclear PKA C subunit co-locates with HA95 in splicing factor compartments and regulates pre-mRNA splicing, possibly through a cAMP-independent mechanism., Recruitment of coactivator glucocorticoid receptor interacting protein 1 to an estrogen receptor transcription complex is regulated by the 3',5'-cyclic adenosine 5'-monophosphate-dependent protein kinase., In human primary pigmented nodular adrenocortical disease tissues, dexamethasone paradoxically stimulates cortisol release through a glucocorticoid receptor-mediated effect on PKA catalytic subunits., Findings show that PKIB and PKA-C kinase can have critical functions of aggressive phenotype of PCs through Akt phosphorylation and that they should be a promising molecular target for PC treatment., Report expression of protein kinase A and C subunits in post-mortem prefrontal cortex from persons with major depression and normal controls., Results suggest that PKA can negatively regulate ERalpha, at least in part, through FoxH1., Data show that Phosphorylation of The(197) in the activation loop on protein kinase A decreased the K(m) by approximately 15- and 7-fold for kemptide and ATP, respectively., activated by podophyllotoxin, Data show that PI3K activation and PIP3 production lead to recruitment of the PKB/beta-arrestin/PDE4 complex to the membrane via the PKB PH domain, resulting in degradation of the TCR-induced cAMP pool and allowing full T-cell activation to proceed., PGE(2)-induced CYP1B1 expression is mediated by ligand-independent activation of the ERalpha pathway as a result of the activation of ERK, Akt, and PKA in breast cancer cells., The previously unknown small molecule inhibitor-dependent interaction of Cbeta1 with the cell cycle and apoptosis regulatory protein-1 was verified., The gene polymorphism loci rs12132032 in PRKACB maybe a potential risk factor for anencephaly in Chinese population from Shanxi, while gender susceptibility may influence the correlation., analysis of the mechanism underlying synergistic up-regulation of PDE4B2 via a cross-talk between PKA-Cbeta and p65,
SP_COMMENT catalytic activity:ATP + a protein = ADP + a phosphoprotein., cofactor:Magnesium., enzyme regulation:Activated by cAMP., function:Mediates cAMP-dependent signaling triggered by receptor binding to GPCRs. PKA activation regulates diverse cellular processes such as cell proliferation, the cell cycle, differentiation and regulation of microtubule dynamics, chromatin condensation and decondensation, nuclear envelope disassembly and reassembly, as well as regulation of intracellular transport mechanisms and ion flux., PTM:Asn-3 is partially deaminated to Asp giving rise to 2 major isoelectric variants, called CB and CA respectively., similarity:Belongs to the protein kinase superfamily., similarity:Belongs to the protein kinase superfamily. AGC Ser/Thr protein kinase family. cAMP subfamily., similarity:Contains 1 AGC-kinase C-terminal domain., similarity:Contains 1 protein kinase domain., subcellular location:Translocates into the nucleus (monomeric catalytic subunit) (By similarity). The inactive holoenzyme is found in the cytoplasm., subunit:A number of inactive tetrameric holoenzymes are produced by the combination of homo- or heterodimers of the different regulatory subunits associated with two catalytic subunits. cAMP causes the dissociation of the inactive holoenzyme into a dimer of regulatory subunits bound to four cAMP and two free monomeric catalytic subunits., tissue specificity:Isoform 1 is most abundant in the brain, with low level expression in kidney. Isoform 2 is predominantly expressed in thymus, spleen and kidney. Isoforms 3 and 4 are only epxressed in the brain.,