The v-Fos oncogene was initially identified as the transforming gene of two independent murine osteosarcoma virus isolates and an avian nephroblastoma virus. The cellular homolog, c-Fos, encodes a nuclear phosphoprotein that is rapidly and transiently induced by a variety of agents and functions as a transcriptional regulator for several genes. In contrast to c-Jun proteins, which form homo- and heterodimers which bind to specific DNA TPA response elements (TREs), c-Fos proteins are only active as heterodimers with members of the Jun gene family. Murine Fos B encodes a nuclear protein of 338 amino acids which has 70% homology with c-Fos, exhibits similar kinetics of expression as c-Fos and forms heterodimers with both c-Jun and Jun B which bind to TRE DNA response elements. Functional homologs of c-Fos and Fos B include Fra-1 and Fra-2 genes.
Function:
FosB interacts with Jun proteins enhancing their DNA binding activity.
Subunit:
Heterodimer.
Subcellular Location:
Nucleus.
Similarity:
Belongs to the bZIP family. Fos subfamily.
Contains 1 bZIP (basic-leucine zipper) domain.
SWISS:
P53539
Gene ID:
2354
Database links:
Entrez Gene: 2354 Human
Entrez Gene: 14282 Mouse
Entrez Gene: 10072176 Rat
Omim: 164772 Human
SwissProt: P53539 Human
SwissProt: P13346 Mouse
Unigene: 590958 Human
Unigene: 248335 Mouse
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Sample:
Siha(Human) Cell Lysate at 30 ug
Primary: Anti-phospho-Fos B (Ser27) (SL13198R) at 1/1000 dilution
Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
Predicted band size: 36 kD
Observed band size: 35 kD
Sample:
Raji(Human) Cell Lysate at 30 ug
Primary: Anti-phospho-Fos B (Ser27) (SL13198R) at 1/1000 dilution
Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
Predicted band size: 36 kD
Observed band size: 35 kD
Blank control: Hela(fixed with 2% paraformaldehyde (10 min)). Primary Antibody:Rabbit Anti-Polycystin 1 antibody(SL13198R), Dilution: 1μg in 100 μL 1X PBS containing 0.5% BSA; Isotype Control Antibody: Rabbit IgG(orange) ,used under the same conditions ); Secondary Antibody: Goat anti-rabbit IgG-PE(white blue), Dilution: 1:200 in 1 X PBS containing 0.5% BSA.
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