label: N(7)-methylguanosine(1575) in yeast 18S rRNA + S-adenosyl-L-homocysteine => guanosine(1575) in yeast 18S rRNA + S-adenosyl-L-methionine
label_lc: n(7)-methylguanosine(1575) in yeast 18s rrna + s-adenosyl-l-homocysteine => guanosine(1575) in yeast 18s rrna + s-adenosyl-l-methionine