Background:

Nuclear phosphoprotein which forms a tight but non-covalently linked complex with the JUN/AP-1 transcription factor. In the heterodimer| c-fos and JUN/AP-1 basic regions each seems to interact with symmetrical DNA half sites. Has a critical function in regulating the development of cells destined to form and maintain the skeleton. It is thought to have an important role in signal transduction| cell proliferation and differentiation.|PTM:Constitutively sumoylated by SUMO1| SUMO2 and SUMO3. Desumoylated by SENP2. Sumoylation requires heterodimerization with JUN and is enhanced by mitogen stimulation. Sumoylation inhibits the AP-1 transcriptional activity and is| itself| inhibited by Ras-activated phosphorylation on Thr-232.|PTM:Phosphorylated in the C-terminal upon stimulation by nerve growth factor (NGF) and epidermal growth factor (EGF). Phosphorylated| in vitro| by MAPK and RSK1. Phosphorylation on both Ser-362 and Ser-374 by MAPK1/2 and RSK1/2 leads to protein stabilization with phosphorylation on Ser-374 being the major site for protein stabilization on NGF stimulation. Phosphorylation on Ser-362 and Ser-374 primes further phosphorylations on Thr-325 and Thr-331 through promoting docking of MAPK to the DEF domain. Phosphorylation on Thr-232| induced by HA-RAS| activates the transcriptional activity and antagonizes sumoylation. Phosphorylation on Ser-362 by RSK2 in osteoblasts contributes to osteoblast transformation.|Belongs to the bZIP family.|Belongs to the bZIP family. Fos subfamily.|Contains 1 bZIP domain.|subunit:Heterodimer with JUN. Interacts with DSIPI; this interaction inhibits the binding of active AP1 to its target DNA. Interacts with MAFB.|

Classification:

Primary antibody

Alternative names:

FOS; Proto-oncogene c-Fos; Cellular oncogene fos; G0/G1 switch regulatory protein 7

Species reactivity:

Human, Mouse, Rat

Host:

Rabbit

Isotype:

IgG

Immunogen:

Synthesized peptide derived from human FOS

Concentration:

1 mg/ml

Molecular weight:

41800

Applications:

WB, ELISA

Storage:

-20°C for 1 year

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