label: 23S rRNA pseudouridine(955/2504/2580) synthase activity
label_lc: 23s rrna pseudouridine(955/2504/2580) synthase activity
description: "Catalysis of the reaction: uridine(955/2504/2580) in 23S rRNA = pseudouridine(955/2504/2580) in 23S rRNA."