GCA_000012465.1 PMN2A_1346 definition GTPase EngC GCA_000012465.1 PMN2A_1556 definition tRNA modification GTPase TrmE GCA_000012465.1 PMN2A_1561 definition ribosomal biogenesis GTPase GCA_000012465.1 PMN2A_1586 definition GTPase ObgE GCA_000012465.1 PMN2A_0036 definition membrane associated GTPase GCA_000012465.1 PMN2A_0746 definition translation-associated GTPase GCA_000012465.1 PMN2A_1037 definition putative GTPase, G3E family