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AB5816

Anti-PKA beta (catalytic subunit) (phospho S338) 抗体

Anti-PKA beta (catalytic subunit) (phospho S338) antibody

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(1 Publication)

Rabbit Polyclonal PKA beta (catalytic subunit) phospho S338 antibody. Suitable for WB and reacts with Mouse samples. Cited in 1 publication. Immunogen corresponding to Synthetic Peptide within Human cAMP-dependent protein kinase catalytic subunit beta phospho S338.

別名を表示する

cAMP-dependent protein kinase catalytic subunit beta, PKA C-beta, PRKACB

1 Images
Western blot - Anti-PKA beta (catalytic subunit) (phospho S338) antibody (AB5816)
  • WB

Unknown

Western blot - Anti-PKA beta (catalytic subunit) (phospho S338) antibody (AB5816)

Peptide Competition : Lysates prepared from 3T3-L1 cells were resolved by SDS-PAGE on a 10% polyacrylamide gel and transferred to PVDF. Membranes were either treated with lambda phosphatase (1) or left untreated (2-5), blocked with a 5% BSA-TBSTbuffer for two hours at room temperature, and incubated with ab5816 antibody for two hours at room temperature in a 3% BSA-TBST buffer, following prior incubation with : no peptide (1, 2), the non-phosphopeptide corresponding to the immunogen (3), a generic phosphoserine-containing peptide (4), or, the phosphopeptide immunogen (5). After washing, membranes were incubated with goat F(ab’)2 anti-rabbit IgG HRP-conjugate and bands were detected using the Pierce SuperSignalTM method. The data show that the peptide corresponding to PKA cat beta [pS338] blocks the antibody signal, thereby verifying the specificity of the antibody. The data also show that phosphatase stripping eliminates the signal, verifying that the antibody is phospho-

All lanes:

Western blot - Anti-PKA beta (catalytic subunit) (phospho S338) antibody (ab5816)

Predicted band size: 41 kDa

false

Key facts

宿主種

Rabbit

クローン性

Polyclonal

アイソタイプ

IgG

キャリアフリー

No

交差種

Mouse

アプリケーション

WB

applications

免疫原

Synthetic Peptide within Human cAMP-dependent protein kinase catalytic subunit beta phospho S338. The exact immunogen used to generate this antibody is proprietary information.

P22694

特異性

Peptide competition data indicate that this antibody cross-reacts with the PKA nu subunit (64% homologous) and partially with the alpha subunit (82% homologous).

Reactivity data

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製品の詳細

c-AMP-dependent Protein Kinase (PKA) is a serine/threonine kinase that regulates a number of cellular processes including proliferation, ion transport and gene transcription. PKA is composed of conserved catalytic subunits and regulatory subunits that dissociate upon activation by cAMP. The catalytic subunit of PKA contains the activation loop and mediates DNA binding and substrate recognition. The catalytic subunit is assembled and expressed as an active form and is phosphorylated on threonine 197 by PDK 1 in the activation loop and serine 338 in the carboxyl terminus. Phosphorylation of serine 338 plays a key role in stabilizing PKA and activating its substrates, and hence mediating its biological functions.

出荷温度及び保存条件

製品の状態
Liquid
精製方法
Affinity purification Immunogen
精製に関する特記事項
The antibody has been negatively preadsorbed using a non-phosphopeptide corresponding to the site of phosphorylation to remove antibody that is reactive with non-phosphorylated PKA. The final product is generated by affinity chromatography using a PKA-derived peptide that is phosphorylated at serine 338.
バッファー組成
pH: 7.3 Preservative: 0.05% Sodium azide Constituents: PBS, 50% Glycerol (glycerin, glycerine), 0.1% BSA
出荷温度
Blue Ice
短期保存温度
+4°C
長期保存温度
-20°C
分注に関する情報
Upon delivery aliquot
保管に関する情報
Avoid freeze / thaw cycle

補足情報

This supplementary information is collated from multiple sources and compiled automatically.

The PKA beta (catalytic subunit) also known as PRKACB or Protein Kinase A catalytic subunit beta plays a pivotal role in cellular signaling mechanisms. Mechanically it catalyzes the transfer of a phosphate group from ATP to a serine or threonine residue in target proteins impacting various cellular processes. This catalytic subunit has a molecular weight of approximately 40 kDa. It expresses widely in many tissues including the brain heart and skeletal muscle where it contributes to regulating metabolic and transcriptional activities.
Biological function summary

The PKA beta catalytic subunit functions in a larger context as part of the Protein Kinase A (PKA) complex which is a central player in the cyclic AMP (cAMP) signaling pathway. This complex acts as an effector of cAMP translating extracellular signals into intracellular actions by phosphorylating a wide range of target proteins. As a part of this complex it modulates activities related to glucose metabolism cell proliferation and gene expression reflecting its involvement in many cellular processes.

Pathways

PKA beta is integrally involved in the cAMP signaling and insulin signaling pathways. In the cAMP pathway it activates by binding to cAMP leading to dissociation from regulatory subunits and subsequent activation of substrate proteins. In the insulin signaling pathway it interacts with proteins like PI3K and Akt playing an important role in regulating glucose homeostasis and lipid metabolism. These pathways illustrate the PKA beta's importance in maintaining cellular and systemic metabolic balance.

The dysfunction of PKA beta is associated with conditions such as cardiac hypertrophy and certain types of cancer. Elevations or disruptions in PKA beta activity can lead to alterations in cell growth and metabolic regulation. PKA beta's relationship with proteins like CREB and Bcl-2 through these disorders has been observed where aberrant phosphorylation mediated by PKA can drive pathological cell survival proliferation and growth linking malfunction directly to disease progression.

製品プロトコール

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ターゲットの情報

Mediates cAMP-dependent signaling triggered by receptor binding to GPCRs (PubMed : 12420224, PubMed : 21423175, PubMed : 31112131). 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 (PubMed : 12420224, PubMed : 21423175). Regulates the abundance of compartmentalized pools of its regulatory subunits through phosphorylation of PJA2 which binds and ubiquitinates these subunits, leading to their subsequent proteolysis (PubMed : 12420224, PubMed : 21423175). Phosphorylates GPKOW which regulates its ability to bind RNA (PubMed : 21880142). Acts as a negative regulator of mTORC1 by mediating phosphorylation of RPTOR (PubMed : 31112131).
See full target information cAMP-dependent protein kinase catalytic subunit beta phospho S338

文献 (1)

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Applications

WB

Species

Unspecified reactive species

Ning Cao,Tuling Liao,Jiajing Liu,Zeng Fan,Quan Zeng,Junnian Zhou,Haiyun Pei,Jiafei Xi,Lijuan He,Lin Chen,Xue Nan,Yali Jia,Wen Yue,Xuetao Pei
View all publications

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