GA binding protein transcription factor subunit beta 1 (GABPB1)

GA binding protein transcription factor subunit beta 1 (GABPB1) is the beta subunit of the GA binding protein complex, a member of the Ets family of transcription factors. GABPB1 forms a heterodimer or tetrameric complex with GABPA (alpha subunit), stimulating the transcription of target genes. It plays a crucial role in the regulation of nuclear-encoded mitochondrial genes, cell cycle progression, and the development and function of several cellular lineages including immune cells and neural stem/progenitor cells[1][2][3][4][5]. GABPB1 is expressed in multiple tissues, with essential functions in embryogenesis, neurogenesis, hematopoiesis, and immune system maturation[1][3][4]. Multiple transcript variants due to alternative splicing exist, leading to isoforms with potentially distinct biological activities[1][4]. Disruption of GABPB1 impairs stem and progenitor cell proliferation and has been associated with malignancies including retinoblastoma and roles in TERT promoter activation in cancer[3][5]. No direct pharmaceutical agents targeting GABPB1 are currently characterized in public databases.

Other names

GA-binding protein subunit beta-1GABPBGABPB2E4TF1BGABP subunit beta-1GABPB-1GABPB-2E4TF1-47E4TF1-53Nuclear respiratory factor 2Transcription factor E4TF1-47Transcription factor E4TF1-53NRF2B1NRF2B2