ID 5.4.99.21 DE 23S rRNA pseudouridine(2604) synthase. CA uridine(2604) in 23S rRNA = pseudouridine(2604) in 23S rRNA. CC -!- The enzyme is not completely specific for uridine(2604) and can, to a CC small extent, also react with uridine(2605). DR Q8X4L9, RLUF_ECO57 ; Q8FB47, RLUF_ECOL6 ; P32684, RLUF_ECOLI ; DR Q8Z1V3, RLUF_SALTI ; Q8ZKL1, RLUF_SALTY ; Q83IR6, RLUF_SHIFL ; //