Question: Which gene encodes tRNA (guanine-N(1)-)-methyltransferase    NMB0590 ?
Answer: tRNA (guanine-N(1)-)-methyltransferase NMB0590
Answer sentence: trna (guanine-n(1)-)-methyltransferase nmb0590 is the gene encoding  trna (guanine-n(1)-)-methyltransferase nmb0590.