>sp|Q46HD3|TRMB_PROMT tRNA (guanine-N(7)-)-methyltransferase OS=Prochlorococcus marinus GN=trmB MRQHVNPLSQFFQLPLSLPSKNILFEKSHYPIHLDIGSAKGEFLIELATKCPDWNFVGLE IREPLVSLCEKKRRKLELTNLKFLFCNVNVSLDEWLSDLDFGQLKRVSIQFPDPWFKRKH FKRRVLKTNILNSIAKAMSKNGEIFIQSDIFELIEYMTNTIDENRYFTRKNVGDLRSINK NPYNVMTDREILSLKKNLLIYRVMYIRNSLLFTN