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c-Fos Antibody (YA5430)

(Synonyms: FOS; G0S7; Proto-oncogene c-Fos; Cellular oncogene fos; G0/G1 switch regulatory protein 7)
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Based on 1 Customer Validation

c-Fos Antibody (YA5430) is a Mouse-derived and non-conjugated monoclonal antibody, targeting to c-Fos.

For research use only. We do not sell to patients.
  • Host:

    Mouse

  • Application:

    WB, ELISA, IF-Tissue

  • Reactivity :

    Human, Mouse, Rat

  • Formulation:

    Supplied in PBS, 50% glycerol, 0.05% Proclin 300, 0.05%BSA.

  • Conjugation:
    Non-conjugated
  • Experimental Validation Results for c-Fos Antibody (YA5430)
  • c-Fos Antibody (YA5430) Product Image
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To place orders, for customer services and technical support, please contact: MedChemExpress USA

Tel: 609-228-6898 E-mail: [email protected] [email protected]

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Applications

Application
WB Info
WB: Western Blot
IF-Tissue Info
IF-Tissue: Immunofluorescence-Tissue
ELISA Info
ELISA: Enzyme Linked Immunosorbent Assay
Dilution Ratio 1:500-2000 1:100-500 1:1000-5000

Product Details

Description

c-Fos Antibody (YA5430) is a Mouse-derived and non-conjugated monoclonal antibody, targeting to c-Fos.

  • Host Mouse
  • Clonality Monoclonal
  • Species Reactivity
    Human, Mouse, Rat
  • Observed Molecular Weight
    Observed band size: 41-55 kDa Info
    Note: Due to possible protein modifications or aggregation, the molecular weight should be confirmed by actual measurement, and the predicted value is for reference only.
  • Calculated Molecular Weight Predicted band size: 40 kDa
Immunogen

AA range: 200-300

Conjugation

Non-conjugated

Modification

Unmodified

RRID

AB_3719040

Product Properties

  • Appearance

    Solution

  • Formulation

    Supplied in PBS, 50% glycerol, 0.05% Proclin 300, 0.05%BSA.

  • Concentration

    Batch-dependent, Please check the COA for the concentration of each lot. Check Lot Concentration

  • Storage & Stability

    Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.

  • Shipping

    Shipping with blue ice.

Verification Images

  • Experimental Validation Results for c-Fos Antibody (YA5430)
    Western blot analysis of extracts from Hela(lane2(20μg),U937(lane3(20μg), Jurkat(lane4(20μg) and K562(lane5(20μg) using c-Fos Antibody (HY-P85738). Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST at 4°C overnight. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80993, 1/10,000) was used in 5% non-fat milk in TBST for 2 hour at room temperature. Goat Anti-Mouse IgG-HRP Secondary Antibody (HY-P8004, 1/10,000) was used for 1 hour at room temperature.

Background

  • Function

    c-Fos is an immediate-early gene product and transcription factor that functions as a central mediator of stimulus-dependent gene expression, linking transient extracellular signals to long-term cellular responses through regulation of downstream target genes[1]. Mechanistically, c-Fos belongs to the Fos family and forms the activator protein-1 (AP-1) transcription factor complex through dimerization with Jun family proteins, thereby regulating genes involved in cellular differentiation, proliferation, development, plasticity, and survival[4][3][2]. c-Fos expression is rapidly induced by neuronal activity, calcium- and cAMP-dependent signaling, and other environmental stimuli, making it a widely used molecular marker of cellular activation and stimulus-transcription coupling in experimental systems[1][3]. In disease and experimental models, c-Fos has been extensively employed to map activated neuronal populations during seizures, learning, memory formation, and behavioral responses, providing a framework for investigating neural circuit function and activity-dependent transcriptional programs[1][3]. Compared with related Fos family members, including FosB, Fra-1 (FOSL1), and Fra-2 (FOSL2), c-Fos contains a C-terminal transactivation domain and exhibits distinctive transcriptional regulatory properties within AP-1 complexes[4]. For experimental applications, c-Fos is primarily used as an activity-dependent biomarker rather than a direct pharmacological target, enabling quantitative assessment of cellular activation, neural network recruitment, and stimulus-responsive signaling pathways in neuroscience and molecular biology research[3][5].

  • Subcellular Localization

    Nucleus; Endoplasmic reticulum; Cytoplasm, cytosol

  • Isoforms & Post-Translational Modification

    P01100 has 3 isomers: P01100-1: 40695 Da (predicted); P01100-2: 28986 Da (predicted); P01100-3: 36301 Da (predicted).
    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 (By similarity);Constitutively sumoylated with 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;In quiescent cells, the small amount of FOS present is phosphorylated at Tyr-10 and Tyr-30 by SRC. This Tyr-phosphorylated form is cytosolic. In growing cells, dephosphorylated by PTPN2. Dephosphorylation leads to the association with endoplasmic reticulum membranes and activation of phospholipid synthesis

  • Subunit

    Heterodimer; with JUN (By similarity). Component of the SMAD3/SMAD4/JUN/FOS complex required for synergistic TGF-beta-mediated transcription at the AP1 promoter site (PubMed:9732876). Interacts with SMAD3; the interaction is weak even on TGF-beta activation (PubMed:9732876). Interacts with MAFB (By similarity). Interacts with TSC22D3 (via N-terminus); this interaction inhibits the binding of active AP1 to its target DNA (By similarity). Interacts with CDS1 and PI4K2A (By similarity). Interacts (via bZIP domain and leucine-zipper region) with the multiprotein chromatin-remodeling complexes SWI/SNF: SWI/SNF-A (BAF) subunits SMARCB1, SMARCC2 and SMARCD1 (By similarity). Interacts (via bZIP domain and leucine-zipper region) with ARID1A (By similarity)

  • SwissProt ID

    P01100

  • Gene ID
    2353 [NCBI]
  • Synonyms

    FOS; G0S7; Proto-oncogene c-Fos; Cellular oncogene fos; G0/G1 switch regulatory protein 7

References

[1]. Gallo FT, et al. Immediate Early Genes, Memory and Psychiatric Disorders: Focus on c-Fos, Egr1 and Arc. Front Behav Neurosci. 2018;12:79.

[2]. Curran T, et al. Fos: an immediate-early transcription factor in neurons. J Neurobiol. 1995 Mar;26(3):403-12. [Content Brief]

[3]. Lara Aparicio SY, et al. Current Opinion on the Use of c-Fos in Neuroscience. NeuroSci. 2022;3(4):687-702.

[4]. Srivastava SK, et al. Genetic regulation of spy gene expression in Escherichia coli in the presence of protein unfolding agent ethanol. Gene. 2014 Sep 10;548(1):142-8. [Content Brief]

[5]. Cruz-Mendoza F, et al. Immediate early gene c-fos in the brain: focus on glial cells. Brain Sci. 2022;12(6):687. [Content Brief]

[6]. Lara Aparicio SY, et al. Current opinion on the use of c-Fos in neuroscience. NeuroSci. 2022;3(4):687-702. [Content Brief]

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c-Fos Antibody (YA5430) Related Classifications

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100 mg

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Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated CTLL-2 mouse cytotoxic T cells. The ED50 this effect is 0.8023 μg/ml, corresponding to a specific activity is 1246.42 units/mg.

Assay Types
  • 1/16

    MedChemExpress Validation
     Western blot analysis of extracts from Hela(lane2(20μg),U937(lane3(20μg), Jurkat(lane4(20μg) and K562(lane5(20μg) using c-Fos Antibody (HY-P85738). Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST at 4°C overnight. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80993, 1/10,000) was used in 5% non-fat milk in TBST for 2 hour at room temperature. Goat Anti-Mouse IgG-HRP Secondary Antibody (HY-P8004, 1/10,000) was used for 1 hour at room temperature.

  • c-Fos Antibody (YA5430) Product Image
    1/16
  • Experimental Validation Results for c-Fos Antibody (YA5430)
  • c-Fos Antibody (YA5430) Product Image
  • Experimental Validation Results for c-Fos Antibody (YA5430)
    1/1
    MedChemExpress Validation
     Western blot analysis of extracts from Hela(lane2(20μg),U937(lane3(20μg), Jurkat(lane4(20μg) and K562(lane5(20μg) using c-Fos Antibody (HY-P85738). Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST at 4°C overnight. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80993, 1/10,000) was used in 5% non-fat milk in TBST for 2 hour at room temperature. Goat Anti-Mouse IgG-HRP Secondary Antibody (HY-P8004, 1/10,000) was used for 1 hour at room temperature.
  • Experimental Validation Results for c-Fos Antibody (YA5430)
  • c-Fos Antibody (YA5430) Product Image
    MedChemExpress Validation

    Western blot analysis of extracts from Hela(lane2(20μg),U937(lane3(20μg), Jurkat(lane4(20μg) and K562(lane5(20μg) using c-Fos Antibody (HY-P85738). Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST at 4°C overnight. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80993, 1/10,000) was used in 5% non-fat milk in TBST for 2 hour at room temperature. Goat Anti-Mouse IgG-HRP Secondary Antibody (HY-P8004, 1/10,000) was used for 1 hour at room temperature.

  • c-Fos Antibody (YA5430) Product Image WB