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| Pbx3 | Pre-B-cell leukemia transcription factor 3; Transcriptional activator that binds the sequence 5'- ATCAATCAA-3'; Belongs to the TALE/PBX homeobox family. (434 aa) | ||||
| Pbx4 | Pre-B-cell leukemia transcription factor 4; Belongs to the TALE/PBX homeobox family. (378 aa) | ||||
| Pbx1 | Pre-B-cell leukemia transcription factor 1; Plays a role in the cAMP-dependent regulation of CYP17 gene expression via its cAMP-regulatory sequence (CRS1) 5'-ATCAATCAA-3'. Acts as a transcriptional activator of PF4 in complex with MEIS1. May have a role in steroidogenesis and, subsequently, sexual development and differentiation. Isoform PBX1b as part of a PDX1:PBX1b:MEIS2b complex in pancreatic acinar cells is involved in the transcriptional activation of the ELA1 enhancer; the complex binds to the enhancer B element and cooperates with the transcription factor 1 complex (PTF1) bound [...] (430 aa) | ||||
| Pbx2 | Pre-B-cell leukemia transcription factor 2; Transcriptional activator that binds the sequence 5'- ATCAATCAA-3'. Activates transcription of PF4 in complex with MEIS1 (By similarity). (430 aa) | ||||