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Flow Cytometric Analysis of PFA-fixed HeLa cells. E4F1 Mouse Monoclonal Antibody (PCRP-E4F1-2D1) followed by goat anti-mouse IgG-CF488 (blue); unstained cells (red).
Immunofluorescence Analysis of PFA-fixed MCF7 cells. E4F1 Mouse Monoclonal Antibody (PCRP-E4F1-2D1) followed by goat anti-mouse IgG-CF488 (green); counterstain phalloidin (red).
SDS-PAGE Analysis of Purified E4F1 Mouse Monoclonal Antibody (PCRP-E4F1-2D1). Confirmation of Purity and Integrity of Antibody.
Analysis of Protein Array containing more than 19,000 full-length human proteins using E4F1 Mouse Monoclonal Antibody (PCRP-E4F1-2D1). Z- and S- Score: The Z-score represents the strength of a signal that a monoclonal antibody (MAb) (in combination with a fluorescently-tagged anti-IgG secondary antibody) produces when binding to a particular protein on the HuProtTM array. Z-scores are described in units of standard deviations (SD's) above the mean value of all signals generated on that array. If targets on HuProtTM are arranged in descending order of the Z-score, the S-score is the difference (also in units of SD's) between the Z-score. S-score therefore represents the relative target specificity of a MAb to its intended target. A MAb is considered to specific to its intended target, if the MAb has an S-score of at least 2.5. For example, if a MAb binds to protein X with a Z-score of 43 and to protein Y with a Z-score of 14, then the S-score for the binding of that MAb to protein X is equal to 29.
E4F1 (E4F transcription factor 1), also known as E4F, is a 784 amino acid protein that localizes to both the nucleus and the cytoplasm and contains 9 C2H2-type zinc fingers. Expressed ubiquitously in adult and fetal tissues, E4F1 exists as a homodimer that binds DNA and is thought to act as a transcriptional repressor and may also play a role in cell survival and growth via cell cycle control. Additionally, E4F1 is thought to function as a ubiquitin ligase that mediates the ubiquitination (and subsequent degradation) of target proteins and may be involved in the p53 tumor suppressor pathway. E4F1, which may be post-translationally phosphorylated or sumoylated, is subject to proteolytic cleavage which results in the creation of a short peptide with specific DNA binding capabilities.
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