>sp|P59720|TRMB_NITEU tRNA (guanine-N(7)-)-methyltransferase OS=Nitrosomonas europaea GN=trmB MSSHPPIRSYVLRQGYFSNAQRHAYESLLPRYGIPLTEEPVDLDSIFGRTAPGILEIGSG MGETTAEIARQHPEKDFIAIEVHAPGIGSLLGQIEKHRLTNLRIIPHDAKLVLQQMFTSE SLDGIHIFFPDPWPKARHHKRRLIQPDFVSLLCDRLKPGGYLHIATDWEDYATHILHVLR SEERFVNTAVDYAARPAYRPLTKFEQRGMKLGHTIRDIIFTRTA