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PEP-238 is a 14 amino acid synthetic peptide corresponding to amino acid residues 1-14 from mouse FoxL2. The sequence of this peptide is (amino to carboxy terminus):M M A S Y P E P E D T A G T.
This peptide may be used for neutralization and control experiments with the polyclonal antibody that reacts with this product, catalog # PA1-802. Using a solution of peptide of equal volume and concentration to the corresponding antibody will yield a large molar excess of peptide (~70-fold) for competitive inhibition of antibody-protein binding reactions.
Reconstitute with 0.1 mL of distilled water.
FOXL2 is a winged helix/forkhead transcription factor that is highly conserved in human, goat, mouse, and certain aquatic species. Given its cross-species conservation, it appears to play a critical role evolutionarily, likely in ovarian differentiation in mammals and in ovarian somatic cell differentiation and in further follicle development and/or maintenance. Immunohistochemical data shows that FOXL2 is a nuclear protein specifically expressed in eyelids and in fetal and adult ovarian follicular cells. It does not undergo any major posttranslational modifications. FOXL2 is also found to be associated with blepharo-phimosis/ptosis/epicanthus inverses syndrome (BPES). There are two forms of BPES. Type I BPES shows eyelid abnormal-ities that are associated with ovarian failure. In type II BPES, only eyelid defects are found. Studies have shown that FOXL2 is expressed in the mesenchyme of developing mouse eyelids and in adult ovarian follicles.
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