Glucocorticoid modulatory element-binding protein 2 (GMEB2)

Glucocorticoid modulatory element-binding protein 2 (GMEB2) is a member of the KDWK gene family and functions as a transcription factor that modulates glucocorticoid receptor-mediated gene expression by binding to specific DNA sequences—glucocorticoid modulatory elements (GMEs)[1][4][6]. It forms complexes (homo- and heterooligomers) with related proteins such as GMEB1, thereby influencing the sensitivity and transcriptional activity of glucocorticoid receptor complexes, independent of receptor abundance[1][4]. GMEB2 also acts as an essential auxiliary protein in the replication of parvoviruses, interacting with viral and cellular promoters[4][6]. Structurally, it is not a membrane protein but acts intracellularly, primarily in the nucleus as a DNA-binding co-activator. Recent research implicates GMEB2 in the positive regulation of genes involved in cancer cell growth, particularly via NF-κB signaling pathways, and it is under investigation for roles in stress response and possibly other diseases[1].

Other names

KIAA1269GMEB-2PIF p79P79PIFPIF79DNA-binding protein p79PIFParvovirus initiation factor p79

Drugs targeting this molecule would predominantly act as inhibitors or modulators of transcriptional coactivation and/or DNA binding; however, no clinically approved drugs specifically target GMEB2.