label: pseudouridine(1191) in yeast 18S rRNA + S-adenosyl-L-methionine => N(1)-methylpseudouridine(1191) in yeast 18S rRNA + S-adenosyl-L-homocysteine + H(+)
label_lc: pseudouridine(1191) in yeast 18s rrna + s-adenosyl-l-methionine => n(1)-methylpseudouridine(1191) in yeast 18s rrna + s-adenosyl-l-homocysteine + h(+)