Transcription factor that binds to the immunoglobulin enchancer Mu-E5/KE5-motif. Involved in the initiation of neuronal differentiation. Activates transcription by binding to the E box (5'-CANNTG-3'). Binds to the E-box present in the somatostatin receptor 2 initiator element (SSTR2-INR) to activate transcription. Preferentially binds to either 5'-ACANNTGT-3' or 5'-CCANNTGG-3'. Efficient DNA binding requires dimerization with another bHLH protein. Forms homo- or heterooligomers with myogenin. Interacts with HIVEP2. Interacts with NEUROD2. Expressed in adult heart, brain, placenta, skeletal muscle and to a lesser extent in the lung. In developing embryonic tissues, expression mostly occurs in the brain. 3 isoforms of the human protein are produced by alternative splicing. Note: This description may include information from UniProtKB.
Protein type: DNA binding protein; Transcription factor
Molecular Function: protein C-terminus binding; protein binding; DNA binding; protein heterodimerization activity; transcription factor activity
Biological Process: transcription initiation from RNA polymerase II promoter; positive regulation of transcription, DNA-dependent; transcription initiation; positive regulation of transcription from RNA polymerase II promoter; positive regulation of neuron differentiation; protein-DNA complex assembly
SS: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.