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mouse anti-E2F-1 monoclonal antibody (6B5) 3078


Antibody summary

  • Mouse monoclonal to E2F-1
  • Suitable for: WB,IP
  • Isotype: IgG1
  • 100 µg
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SKU: 3078parent Category: Tags: , ,
Weight1 lbs
Dimensions9 × 5 × 2 in







1 mg/mL





available sizes

100 µg

Tested applications
Recommended dilutions
Immunoblotting: use at 1-5 ug/mL.

Immunoprecipitation: use at 1-5 ug/mL.

Positive controls: E2F-1 transfected Soas2 cells and recombinant fusion protein.
GST fusion protein expressed in E. coli corresponding to aa 162-476 of human E2F-1.
Size and concentration
100µg and lot specific
Storage Instructions
This antibody is stable for at least one (1) year at -70°C. Avoid multiple freeze- thaw cycles.
Storage buffer
PBS, pH 7.4
protein affinty purification
Compatible secondaries
goat anti-mouse IgG, H&L chain specific, peroxidase conjugated polyclonal antibody 5486
goat anti-mouse IgG, H&L chain specific, biotin conjugated, Conjugate polyclonal antibody 2685
goat anti-mouse IgG, H&L chain specific, FITC conjugated polyclonal antibody 7854
goat anti-mouse IgG, H&L chain specific, peroxidase conjugated polyclonal antibody, crossabsorbed 1706
goat anti-mouse IgG, H&L chain specific, biotin conjugated polyclonal antibody, crossabsorbed 1716
goat anti-mouse IgG, H&L chain specific, FITC conjugated polyclonal antibody, crossabsorbed 1721
Isotype control
Mouse monocolonal IgG1 - Isotype Control
target relevance
Protein names
Transcription factor E2F1 (E2F-1) (PBR3) (Retinoblastoma-associated protein 1) (RBAP-1) (Retinoblastoma-binding protein 3) (RBBP-3) (pRB-binding protein E2F-1)
Gene names
Protein family
E2F/DP family
FUNCTION: Transcription activator that binds DNA cooperatively with DP proteins through the E2 recognition site, 5'-TTTC[CG]CGC-3' found in the promoter region of a number of genes whose products are involved in cell cycle regulation or in DNA replication (PubMed:10675335, PubMed:12717439, PubMed:17704056, PubMed:17050006, PubMed:18625225, PubMed:28992046). The DRTF1/E2F complex functions in the control of cell-cycle progression from G1 to S phase (PubMed:10675335, PubMed:12717439, PubMed:17704056). E2F1 binds preferentially RB1 in a cell-cycle dependent manner (PubMed:10675335, PubMed:12717439, PubMed:17704056). It can mediate both cell proliferation and TP53/p53-dependent apoptosis (PubMed:8170954). Blocks adipocyte differentiation by binding to specific promoters repressing CEBPA binding to its target gene promoters (PubMed:20176812). Directly activates transcription of PEG10 (PubMed:17050006, PubMed:18625225, PubMed:28992046). Positively regulates transcription of RRP1B (PubMed:20040599). {ECO:0000269|PubMed:10675335, ECO:0000269|PubMed:12717439, ECO:0000269|PubMed:17050006, ECO:0000269|PubMed:17704056, ECO:0000269|PubMed:18625225, ECO:0000269|PubMed:20040599, ECO:0000269|PubMed:20176812, ECO:0000269|PubMed:28992046, ECO:0000269|PubMed:8170954}.
Subellular location
SUBCELLULAR LOCATION: Nucleus {ECO:0000269|PubMed:20040599, ECO:0000269|PubMed:28992046}.
SUBUNIT: Component of the DRTF1/E2F transcription factor complex. Forms heterodimers with DP family members. The E2F1 complex binds specifically hypophosphorylated retinoblastoma protein RB1 (PubMed:8336704). During the cell cycle, RB1 becomes phosphorylated in mid-to-late G1 phase, detaches from the DRTF1/E2F complex, rendering E2F transcriptionally active. Viral oncoproteins, notably E1A, T-antigen and HPV E7, are capable of sequestering RB1, thus releasing the active complex. Interacts with TRRAP, which probably mediates its interaction with histone acetyltransferase complexes, leading to transcription activation. Binds TOPBP1 and EAPP. Interacts with ARID3A. Interacts with TRIM28; the interaction inhibits E2F1 acetylation through recruiting HDAC1 and represses its transcriptional activity. Interaction with KAT2B; the interaction acetylates E2F1 enhancing its DNA-binding and transcriptional activity. Interacts with BIRC2/c-IAP1 (via BIR domains). The complex TFDP1:E2F1 interacts with CEBPA; the interaction prevents CEBPA binding to target genes promoters and represses its transcriptional activity (PubMed:20176812). Interacts with RRP1B (PubMed:20040599). Interacts with HCFC1 (PubMed:23629655). Interacts with KMT2E; the interaction is probably indirect and is mediated via HCFC1 (PubMed:23629655). Interacts with DCAF5 and L3MBTL3; the interaction requires methylation at Lys-185 and is necessary to target E2F1 for ubiquitination by the CRL4-DCAF5 E3 ubiquitin ligase complex (PubMed:29691401). {ECO:0000250|UniProtKB:Q61501, ECO:0000269|PubMed:10675335, ECO:0000269|PubMed:11418595, ECO:0000269|PubMed:12598654, ECO:0000269|PubMed:12697828, ECO:0000269|PubMed:15716352, ECO:0000269|PubMed:16360038, ECO:0000269|PubMed:17704056, ECO:0000269|PubMed:20040599, ECO:0000269|PubMed:20176812, ECO:0000269|PubMed:21653699, ECO:0000269|PubMed:23629655, ECO:0000269|PubMed:29691401, ECO:0000269|PubMed:8336704, ECO:0000269|PubMed:9780002}.; SUBUNIT: (Microbial infection) Interacts with human cytomegalovirus/HHV-5 protein UL123. {ECO:0000269|PubMed:7494286}.
Post-translational modification
PTM: Phosphorylated by CDK2 and cyclin A-CDK2 in the S-phase (PubMed:12717439, PubMed:7838523). Phosphorylation at Ser-364 by CHEK2 stabilizes E2F1 upon DNA damage and regulates its effect on transcription and apoptosis (PubMed:12717439). Phosphorylation at Ser-403 by GSK3B promotes interaction with USP11, leading to its deubiquitination and stabilization (PubMed:28992046). {ECO:0000269|PubMed:12717439, ECO:0000269|PubMed:28992046, ECO:0000269|PubMed:7838523}.; PTM: Ubiquitinated via 'Lys-63'-linked ubiquitin, leading to its degradation (PubMed:28992046). Deubiquitinated by USP11 follwong phosphorylation by GSK3B, promoting its stability (PubMed:28992046). {ECO:0000269|PubMed:28992046}.; PTM: Acetylation stimulates DNA-binding. Enhanced under stress conditions such as DNA damage and inhibited by retinoblastoma protein RB1. Regulated by KAP1/TRIM28 which recruits HDAC1 to E2F1 resulting in deacetylation. Acetylated by P/CAF/KAT2B. {ECO:0000269|PubMed:10675335, ECO:0000269|PubMed:17704056}.; PTM: Methylation at Lys-185 by SETD7 promotes E2F1 ubiquitin-dependent proteasomal degradation. {ECO:0000269|PubMed:20603083, ECO:0000269|PubMed:29691401}.
Target Relevance information above includes information from UniProt accession : Q01094
The UniProt Consortium


Whole cell extract (30 µg) was separated by 10% SDS-PAGE, and the membrane was blotted with E2F1 antibody [6B5] (3078) diluted at 1:500. The signal was developed with Trident ECL plus-Enhanced.
Non-transfected (?) and transfected (+) 293T whole cell extracts (30 µg) were separated by 10% SDS-PAGE, and the membrane was blotted with E2F1 antibody [6B5] (3078) diluted at 1:500. The HRP-conjugated anti-mouse IgG antibody was used to detect the primary antibody.


Published literature highly relevant to the biological target of this product and referencing this antibody or clone are retrieved from PubMed database provided by The United States National Library of Medicine at the National Institutes of Health.



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