Protein
Ribosome-releasing factor 2, mitochondrial
Organism
Rattus norvegicus
Function
Mitochondrial GTPase that mediates the disassembly of ribosomes from messenger RNA at the termination of mitochondrial protein biosynthesis. Acts in collaboration with MRRF. GTP hydrolysis follows the ribosome disassembly and probably occurs on the ribosome large subunit. Not involved in the GTP-dependent ribosomal translocation step during translation elongation.
Similarity
Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation factor GTPase family. EF-G/EF-2 subfamily.
Sequence
MFTNWRIFAVNRQKTFSVHIHTTCYCKIKANLKRSKTQVPLTRSYSSPPGIVGNEVKSLHSIINPPVAKIRNIGIMAHIDAGKTTTTERILYYSGYTRSLGDVDDGDTVTDFMAQERERGITIQSAAVTLDWKGYRVNLIDTPGHVDFTLEVERCLRVLDGAVAVFDASAGVEAQTLTVWRQADKHKIPRICFLNKMDKTGASFNYAVESIREKLKAKPLILQLPIGEARTFQGVVDVVNREKLIWNSDSDDGKDFERKPLSEASDPTLLKETVEARNSLIEQVADLDDEFADLVLGEFSEDFDLVPAEKLQAAIHRVTLAQAAVPVLCGSALKNKGVQPLLDAVTTYLPSPEEREHGFLQWYKGDLCALAFKVLHDKQRGPLVFLRIYSGTLTPQSAVHNVNRNCTERMSRLLLPFADQHVEIPSLTAGNIALTVGLKQTATGDTIVSSKSSALAAARRAGKGERKPGRISEAESVLLAGVEIPEPVFFCTIEPPSAAKQPDLDHALEHLQREDPSLKVKLDPDSGQTVLCGMGELHIEIIHDRIKREYGLETYLGPLQVAYRETILNSVRATDTLDRVLGDKRHFARAELEVRPAEEPCGVATIEYADSVGEDMLQAPREDIENAIHSACLQGPLLGSPIQDVAVTLHSLMIHPGTSTTMVTACISRCVQKALKKADKQVLEPLMSLEVTVSREYLSPVLADLAQRRGNIQEIQTRQDNKVVLGFVPLAEIMGYSTVLRTLTSGSATFALELSTYQAMSPQDQRTLLSQRSGLARVL