acib:ACBT_2268 K06941 23S rRNA (adenine2503-C2)-methyltransferase [EC:2.1.1.192] | (GenBank) rlmN; 23S rRNA m2A2503 methyltransferase / tRNA m2A37 methyltransferase acib:ACBT_2267 K01885 glutamyl-tRNA synthetase [EC:6.1.1.17] | (GenBank) gltX2; glutamyl-tRNA synthetase