GO:0052906

tRNA (guanine(37)-N(1))-methyltransferase activity

Details: 
Catalysis of the reaction: S-adenosyl-L-methionine + guanine(37) in tRNA = N(1)-methylguanine(37) in tRNA + S-adenosyl-L-homocysteine. [EC:2.1.1.228]
Evidence Code: 
IEA