ID 5.4.99.43 DE 21S rRNA pseudouridine(2819) synthase. CA uridine(2819) in 21S rRNA = pseudouridine(2819) in 21S rRNA. CC -!- The enzyme specifically acts on uridine(2819) in 21S rRNA. DR Q5A0Y2, PUS5_CANAL ; Q6FS81, PUS5_CANGA ; Q6BNX8, PUS5_DEBHA ; DR Q750S3, PUS5_EREGS ; Q6CQC4, PUS5_KLULA ; Q06244, PUS5_YEAST ; //