translation initiation factor IF-3, mitochondrial (IF-3Mt, IF3mt, MTIF3)

Function

• binds to the 28S ribosomal subunit & shifts the equilibrum between 55S ribosomes & their 39S & 28S subunits in favor of the free subunits, thus enhancing the availability of 28S subunits on which protein synthesis initiation begins

Structure

belongs to the IF-3 family

Compartment

mitochondrion

More general terms

• mitochondrial protein
• initiation factor

Database

• UniProt: http://www.uniprot.org/uniprot/Q9H2K0.html