ARNTL Transcription Factors

**Definition:** Basic helix-loop-helix (bHLH) domain-containing proteins that play important roles in CIRCADIAN RHYTHM regulation. They combine with CLOCK PROTEINS to form heterodimeric transcription factors that are specific for E-BOX ELEMENTS and stimulate the transcription of several E-box genes that are involved in cyclical regulation.

**Tree numbers:** - D12.644.360.138.049 - D12.776.260.103.249 - D12.776.476.156.100 - D12.776.930.125.249

**Synonyms:** - Aryl Hydrocarbon Receptor Nuclear Translocator-like Transcription Factors - Brain and Muscle ARNT-like Proteins