Eukaryotic Initiation Factor-1

**Definition:** A eukaryotic initiation factor that binds to 40S ribosomal subunits. Although initially considered a non-essential factor for eukaryotic transcription initiation, eukaryotic initiation factor-1 is now thought to play an important role in localizing RIBOSOMES at the initiation codon of MRNA.

**Tree numbers:** - D12.776.835.725.868.124

**Synonyms:** - EIF-1 - Eukaryotic Peptide Initiation Factor-1 - Peptide Initiation Factor EIF-1