Host Factor 1 Protein

**Definition:** An integration host factor that was originally identified as a bacterial protein required for the integration of bacteriophage Q beta (ALLOLEVIVIRUS). Its cellular function may be to regulate mRNA stability and processing in that it binds tightly to poly(A) RNA and interferes with ribosome binding.

**Tree numbers:** - D12.776.097.513.500 - D12.776.157.725.249 - D12.776.664.962.249

**Synonyms:** - hfq Gene Product - Host Factor 1 - Host Factor Q