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Recombinant Human PRKAR1A, His-tagged

Cat.No.: PRKAR1A-29471TH
Product Overview: Recombinant Full-length Protein Kinase A regulatory subunit I alpha ,
Description: cAMP is a signaling molecule important for a variety of cellular functions. cAMP exerts its effects by activating the cAMP-dependent protein kinase, which transduces the signal through phosphorylation of different target proteins. The inactive kinase holoenzyme is a tetramer composed of two regulatory and 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. Four different regulatory subunits and three catalytic subunits have been identified in humans. This gene encodes one of the regulatory subunits. This protein was found to be a tissue-specific extinguisher that down-regulates the expression of seven liver genes in hepatoma x fibroblast hybrids. Mutations in this gene cause Carney complex (CNC). This gene can fuse to the RET protooncogene by gene rearrangement and form the thyroid tumor-specific chimeric oncogene known as PTC2. A nonconventional nuclear localization sequence (NLS) has been found for this protein which suggests a role in DNA replication via the protein serving as a nuclear transport protein for the second subunit of the Replication Factor C (RFC40). Three alternatively spliced transcript variants encoding the same protein have been observed.
Conjugation: HIS
Source: E. coli
Tissue specificity: Four types of regulatory chains are found: I-alpha, I-beta, II-alpha, and II-beta. Their expression varies among tissues and is in some cases constitutive and in others inducible.
Biological activity: Unit Definition: One unit is defined as the amount of Protein Kinase A regulatory subunit I alpha, required to incorporate 1nmol of phosphate into the specific substrate peptide kemptide (LRRASlG) in one minute at 30°C.
Form: Liquid
Purity: >95% by SDS-PAGE
Storage buffer: Preservative: NoneConstituents: 50% Glycerol
Storage: Aliquot and store at -80°C. Avoid repeated freeze / thaw cycles.
Sequence Similarities: Belongs to the cAMP-dependent kinase regulatory chain family.Contains 2 cyclic nucleotide-binding domains.
Gene Name: PRKAR1A protein kinase, cAMP-dependent, regulatory, type I, alpha (tissue specific extinguisher 1) [ Homo sapiens ]
Official Symbol: PRKAR1A
Synonyms: PRKAR1A; protein kinase, cAMP-dependent, regulatory, type I, alpha (tissue specific extinguisher 1); PRKAR1, TSE1; cAMP-dependent protein kinase type I-alpha regulatory subunit;
Gene ID: 5573
mRNA Refseq: NM_002734
Protein Refseq: NP_002725
MIM: 188830
Uniprot ID: P10644
Chromosome Location: 17q23-q24
Pathway: Apoptosis, organism-specific biosystem; Apoptosis, conserved biosystem; Aquaporin-mediated transport, organism-specific biosystem; Ca-dependent events, organism-specific biosystem; CaM pathway, organism-specific biosystem;
Function: cAMP binding; cAMP-dependent protein kinase regulator activity; nucleotide binding; protein binding; ubiquitin protein ligase binding;

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