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Key Documents

ABS1614

Sigma-Aldrich

Anti-Ric-8B/Synembryn-B Antibody

serum, from rabbit

同義詞:

Synembryn-B, Protein Ric-8B, Ric-8B, Ric-8B/Synembryn-B

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About This Item

分類程式碼代碼:
12352203
eCl@ss:
32160702
NACRES:
NA.41

生物源

rabbit

品質等級

抗體表格

serum

抗體產品種類

primary antibodies

無性繁殖

polyclonal

物種活性

mouse, rabbit, human

技術

immunoprecipitation (IP): suitable
western blot: suitable

NCBI登錄號

UniProt登錄號

運輸包裝

dry ice

目標翻譯後修改

unmodified

基因資訊

human ... RIC8B(55188)

一般說明

Synembryn-B (UniProt Q80XE1; also known as Protein Ric-8B, Resistance to inhibitors of cholinesterase 8B) is encoded by the Ric8b (also known as BC051080) gene (Gene ID 237422) in murine species. Ric-8A and Ric-8B stimulate nucleotide exchange of all Gα subunit classes by stabilizing the Gα nucleotide-free transition state. Ric-8A acts upon Gαi/q/13, while Ric-8B targets Gαs/olf. In addition to their function as guanine nucleotide exchange factors (GEFs), Ric proteins also act as molecular chaperones that directly participate in the posttranslational folding of nascent Gα subunits to promote G-protein biosynthesis and membrane association. Ric-8 knockdown reduces Gα steady-state abundances and overexpression of Ric-8 proteins enhances cellular Gα levels. In Ric-8A– or Ric-8B–delicient ES cells, newly produced Gα subunits are defective in the initial association with an internal membrane, resulting in a ∼10-fold faster turned over rate than in WT cells.

特異性

Expected to react with all murine and human spliced isoforms (UniProt Q80XE1 & Q9NVN3).

免疫原

Recombinant protein corresponding to mouse Ric-8B/Synembryn-B.

應用

This Anti-Ric-8B/Synembryn-B Antibody is validated for use in Western Blotting and Immunoprecipitation for the detection of Ric-8B/Synembryn-B.
Western Blotting Analysis: A representative lot detected Ric-8B protein in murine embryonic stem (mES) cells (mESCs) derived from wild-type (WT) and Ric-8A−/− mice, but not mESCs from Ric-8B−/− mice (Gabay, M., et al. (2011). Sci Signal.4(200):ra79).
Western Blotting Analysis: A representative lot detected the endogenous Ric-8B protein in rabbit reticulocyte lysates (RRL) as well as recombinant murine Ric-8B protein (Chan, P., et al. (2013). Proc Natl Acad Sci U S A. 110(10):3794-3799).
Immunoprecipitation Analysis: A representative lot immunoprecipitated the endogenous Ric-8B protein from rabbit reticulocyte lysates/RRL (Chan, P., et al. (2013). Proc Natl Acad Sci U S A. 110(10):3794-3799).

品質

Evaluated by Western Blotting in Jurkat cell lysate.

Western Blotting Analysis: 1:1,000 dilution of this antibody detected Ric-8B/Synembryn-B in 10 µg of Jurkat cell lysate.

標靶描述

~63 kDa observed. Uncharacterized band(s) may appear in some lysates.

其他說明

Concentration: Please refer to lot specific datasheet.

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儲存類別代碼

12 - Non Combustible Liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


分析證明 (COA)

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Molecular chaperoning function of Ric-8 is to fold nascent heterotrimeric G protein ? subunits.
Chan, P; Thomas, CJ; Sprang, SR; Tall, GG
Proceedings of the National Academy of Sciences of the USA null
Meital Gabay et al.
Science signaling, 4(200), ra79-ra79 (2011-11-25)
Ric-8A (resistance to inhibitors of cholinesterase 8A) and Ric-8B are guanine nucleotide exchange factors that enhance different heterotrimeric guanine nucleotide-binding protein (G protein) signaling pathways by unknown mechanisms. Because transgenic disruption of Ric-8A or Ric-8B in mice caused early embryonic

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