Exhibits a very high intrinsic GTPase hydrolysis rate. Involved in the addition of a carboxymethylaminomethyl (cmnm) group at the wobble position (U34) of certain tRNAs, forming tRNA- cmnm(5)s(2)U34 (By similarity). tRNA modification GTPase MnmE mnmE thdF MRHFHDTIAAIATAIVPQQGSIGIVRLSGAKAVAIAQSLFEAPGKQPWESHRILYGYVRDPQTKERVDEALLLLMLAPRSYTREDVVEFHCHGGLIPVQRVLQLCVAAGARLADPGEFTLRAFLNGRLDLTQAESVAELVAAQSTTAAQIALAGLTGKLARPLQQIRQTCLSLLAEIEARLDFTDELPPLDPAAIAEQIRQLQHQVEAFLATAERGALIRTGLKVAIVGRPNVGKSSLLNAWSRSDRAIVTDLPGTTRDIVESQLVVGGIPIQVLDTAGIRETDNLVEQIGVQRSRQAALSADLILLVIDASQGWTAADQAIYDQLQLKQRRQQAPQSVLVVLNKADLLSETTEVKDIPLPIAPIPTVLLSALSQRGIEQLEDAILHLVQGQGVSAANLDFAINQRQAGLLEQVHQSLNHVLAAIDAQLPLDFWTIDLHAAARALGTLTGEEVTESVLTEIFSRFCIGK MNME_SYNEL trmE 469