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Key Documents

SRP3158

Sigma-Aldrich

Sox2 TAT human

recombinant, expressed in E. coli, ≥95% (SDS-PAGE), ≥95% (HPLC), suitable for cell culture

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About This Item

分類程式碼代碼:
12352202
NACRES:
NA.32

生物源

human

重組細胞

expressed in E. coli

化驗

≥95% (HPLC)
≥95% (SDS-PAGE)

形狀

lyophilized

分子量

36 kDa

包裝

pkg of 25 μg

技術

cell culture | mammalian: suitable

雜質

<0.1 EU/μg endotoxin, tested

顏色

white

UniProt登錄號

運輸包裝

wet ice

儲存溫度

−20°C

基因資訊

human ... SOX2(6657)

一般說明

Sox2, also known as sex determining region Y (SRY)-box 2, is part of a diverse family of structurally-related transcription factors whose primary structure contains a 79-residue DNA-binding domain, called high mobility group (HMG) box. It contains 317 amino acids. The gene encoding this protein is localized on human chromosome 3q26.33. Recombinant human Sox2-TAT expressed in E. coli is a 36kDa protein containing 330 amino-acid residues, including the 317 residues of full-length Sox2 and a 13-residue C-terminal TAT peptide (GGYGRKKRRQRRR).

生化/生理作用

Sex determining region Y (SRY)-box 2 (SRY-2) or Sox2 plays an essential role in maintaining the pluripotency of embryonic stem cells (ESC) and determination of cell fate. Sox2 acts as a transcriptional activator after forming a ternary complex with Oct3/4 and a conserved non-coding DNA sequence (CNS1) located approximately 2kb upstream of the RAX promoter. The protein modulates stem cell function in embryonic and neural stem cells. Microarray analysis showed that Sox2 regulates the expression of multiple genes involved in embryonic development including fibroblast growth factor-4 (FGF-4), YES1 (a tyrosine-protein kinase) and ZFP206 (a transcription factor). Sox2 and other transcription factors have been introduced into cells by DNA transfection, viral infection, or microinjection. Protein transduction using TAT fusion proteins represents an alternative methodology for introducing transcription factors and other nuclear proteins into primary as well as transformed cells.

序列

MYNMMETELK PPGPQQTSGG GGGNSTAAAA GGNQKNSPDR VKRPMNAFMV WSRGQRRKMA QENPKMHNSE ISKRLGAEWK LLSETEKRPF IDEAKRLRAL HMKEHPDYKY RPRRKTKTLM KKDKYTLPGG LLAPGGNSMA SGVGVGAGLG AGVNQRMDSY AHMNGWSNGS YSMMQDQLGY PQHPGLNAHG AAQMQPMHRY DVSALQYNSM TSSQTYMNGS PTYSMSYSQQ GTPGMALGSM GSVVKSEASS SPPVVTSSSH SRAPCQAGDL RDMISMYLPG AEVPEPAAPS RLHMSQHYQS GPVPGTAING TLPLSHMGGY GRKKRRQRRR

外觀

Lyophilized from 10 mM Sodium Phosphate, pH 8.0.

重構

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1- 1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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Origins of specificity in protein-DNA recognition
Remo Rohs
Annual Review of Biochemistry, 79, 233-269 (2010)
Expression of the embryonic stem cell marker SOX2 in early-stage breast carcinoma
Claudia Lengerke
BMC Cancer, 11 (2011)
Benjamin Bonavida, Salem Chouaib
Resistance of Cancer Cells to CTL-Mediated Immunotherapy (2015)
SOX2 Is an Oncogene Activated by Recurrent 3q26.3 Amplifications in Human Lung Squamous Cell Carcinomas
Thomas Hussenet
PLoS ONE, 5(1), e8960-e8960 (2010)
Jun Guo et al.
Biochemical and biophysical research communications, 390(4), 1081-1086 (2009-11-11)
Recently, a series of exciting reports have revealed that terminally differentiated somatic cells can be reprogrammed to generate induced pluripotent stem (iPS) cells via overexpression of a cocktail of transcription factors such as Oct3, Sox2, Klf4, and c-Myc or Oct3

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