Aminoacyl tRNA synthase complex-interacting multifunctional protein 1 (AIMP1)

Non-catalytic part of the multisynthase complex. Stimulates the catalytic action of cytoplasmic arginyl-tRNA synthase (PubMed:10358004).

Binds tRNA. Involved in glucose homeostasis through induction of glucagon secretion at low glucose levels (By similarity).