2.1.1.228	S-adenosyl-L-methionine + guanine37 in tRNA = S-adenosyl-L-homocysteine + N1-methylguanine37 in tRNA	-	-	
2.1.1.228	S-adenosyl-L-methionine + guanine37 in tRNA = S-adenosyl-L-homocysteine + N1-methylguanine37 in tRNA	a highly conserved aspartate residue, D275 in Homo sapiens Trm5, in the flexible loop preceding the proposed general base E288 may be involved in the induced-fit movement of the catalytic process	737226	
2.1.1.228	S-adenosyl-L-methionine + guanine37 in tRNA = S-adenosyl-L-homocysteine + N1-methylguanine37 in tRNA	catalytic mechanism in which the role of Mg2+ is to help to increase the nucleophilicity of N1 of G37 and stabilize the negative developing charge on O6 during attack on the methyl sulfonium of S-adenosyl-L-methionine. Substrate binding to EcTrmD is in rapid equilibrium to form the enzyme-tRNA-S-adenosyl-L-methionine complex, a proton abstraction step is rate limiting in methyl transfer	735927	
2.1.1.228	S-adenosyl-L-methionine + guanine37 in tRNA = S-adenosyl-L-homocysteine + N1-methylguanine37 in tRNA	mechanism by which TrmD binds the substrate tRNA in an S-adenosyl-L-methionine-dependent manner: The trefoil-knot center, which is structurally conserved among SPOUTMTases, accommodates the adenosine moiety of S-adenosyl-L-methionine by loosening/retightening of the knot. The TrmD-specific regions surrounding the trefoil knot recognize the methionine moiety of S-adenosyl-L-methionine, and thereby establish the entire TrmD structure for global interactions with tRNA and sequential and specific accommodations of G37 and G36, resulting in the synthesis of m1G37-tRNA	-, 737174	
2.1.1.228	S-adenosyl-L-methionine + guanine37 in tRNA = S-adenosyl-L-homocysteine + N1-methylguanine37 in tRNA	mechanism of N-methylation by the tRNA m1G37 methyltransferase Trm5 involving proton abstraction during docking of G37 in the active site by a general base , E185	721026	
2.1.1.228	S-adenosyl-L-methionine + guanine37 in tRNA = S-adenosyl-L-homocysteine + N1-methylguanine37 in tRNA	substrate recognition and reaction mechanisms, overview	721035