Our Anti-COBRA1 (NELF-B) primary antibody from PhosphoSolutions is mouse monoclonal. It detects human, mouse, and rat COBRA1 (NELF-B) and is Protein G purified. It is great for use in WB.
Western blot of neonatal rat brain lysate showing specific immunolabeling of the ~62 kDa COBRA1 protein.
COBRA1 (cofactor of BRCA1) also known as NELF-B, is an essential component of the negative elongation factor (NELF) complex. COBRA1 has been shown to directly bind estrogen receptor alpha (ERα) and repress ERα-mediated transcription (Aiyar SE et al., 2004). COBRA1 has also been demonstrated to interact with c-Jun and c-Fos suggesting a role in modulation of the AP-1 pathway and therefore may be important in cell proliferation, differentiation, apoptosis and oncogenesis (Zhong H et al., 2004)
Protein G Purified
Monoclonal
F7E4
IgG1
WB
Mouse
COBRA1
62 kDa
Recombinant full length human COBRA1 purified from E. coli.
Human, Mouse, Rat
AB_2492059
Recommended that the undiluted antibody be aliquoted into smaller working volumes (10-30 uL/vial depending on usage) upon arrival and stored long term at -20° C or -80° C, while keeping a working aliquot stored at 4° C for short term. Avoid freeze/thaw cycles. Stable for at least 1 year.
Liquid
Protein G purified culture supernatant.
PBS + 0.05% NaN3
WB: 1:1000
WB Brain: 1:1000
Unconjugated
Specific for endogenous levels of the ~62 kDa COBRA1 protein.
Western blots performed on each lot.
For research use only. Not intended for therapeutic or diagnostic use. Use of all products is subject to our terms and conditions, which can be viewed on our website.
After date of receipt, stable for at least 1 year at -20°C.
Blue Ice
A730008L03Rik antibody, AB041607 antibody, AI663983 antibody, Cofactor of BRCA1 antibody, DKFZp586B0519 antibody, KIAA1182 antibody, Negative elongation factor B antibody, Negative elongation factor protein B antibody, Nelf b antibody, NELF-B antibody, NELFB antibody, RGD1307832 antibody, RP13-122B23.3 antibody, RP23-132N23.4 antibody
Aiyar, SE, Sun J, Blair AL, Moskaluk CA, Lu Y, Ye Q, Yamaguchi Y, Mukherjee A, Ren D, Handa H, Li R (2004). Attenuation of estrogen receptor alpha-mediated transcription through estrogen-stimulated recruitment of a negative elongation factor. Genes Dev. 18 (17): 2134–46. PMID: 15342491
Zhong, H, Zhu J, Zhang H, Ding L, Sun Y, Huang C, Ye Qi (2004). COBRA1 inhibits AP-1 transcriptional activity in transfected cells. Biochem. Biophys. Res. Commun. 325 (2): 568–73.PMID: 15530430
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