PKA C-β Antibody - CD BioSciences

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PKA C-β Antibody

PKA C-β Antibody

SPA-08939

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Target Information
Target Name PKA
Gene Abbr. PRKACB
Gene ID 5567
Full Name protein kinase cAMP-activated catalytic subunit beta
Alias PKA C-beta, PKACB
Introduction The second messenger cyclic AMP (cAMP) activates cAMP-dependent protein kinase (PKA or cAPK) in mammalian cells and controls many cellular mechanisms such as gene transcription, ion transport, and protein phosphorylation. Inactive PKA is a heterotetramer composed of a regulatory subunit (R) dimer and a catalytic subunit (C) dimer. In this inactive state, the pseudosubstrate sequences on the R subunits block the active sites on the C subunits. Three C subunit isoforms (C-α, C-β, and C-γ) and two families of regulatory subunits (RI and RII) with distinct cAMP binding properties have been identified. The two R families exist in two isoforms, α and β (RI-α, RI-β, RII-α, and RII-β). Upon binding of cAMP to the R subunits, the autoinhibitory contact is eased and active monomeric C subunits are released. PKA shares substrate specificity with Akt (PKB) and PKC, which are characterized by an arginine at position -3 relative to the phosphorylated serine or threonine residue. Substrates that present this consensus sequence and have been shown to be phosphorylated by PKA are Bad (Ser155), CREB (Ser133), and GSK-3 (GSK-3α Ser21 and GSK-3β Ser9). In addition, combined knock-down of PKA C-α and -β blocks cAMP-mediated phosphorylation of Raf (Ser43 and Ser259). Autophosphorylation and phosphorylation by PDK-1 are two known mechanisms responsible for phosphorylation of the C subunit at Thr197.
Product Details
Host Rabbit
Clonality Polyclonal
Clone No. N/A
Isotype IgG
Immunogen Recombinant fusion protein containing a sequence corresponding to amino acids 1-351 of human PKA C beta (NP_002722.1).
Usage
Application WB, IF, IHC
MW(KDa) 42
Reactivity Human, Mouse
Validation Knockout Validated.
Storage & Handling
Storage Buffer PBS with 50% glycerol, pH 7.3.
Preservative 0.02% Sodium Azide
Storage Temp. Store at -20 °C.
Handling Avoid freeze-thaw cycles.

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