ID 5.4.99.19 DE 16S rRNA pseudouridine(516) synthase. AN 16S RNA pseudouridine(516) synthase. AN 16S RNA pseudouridine 516 synthase. AN 16S RNA Psi(516) synthase. CA uridine(516) in 16S rRNA = pseudouridine(516) in 16S rRNA. CC -!- The enzyme is specific for uridine(516) in 16S rRNA. CC -!- In vitro, the enzyme does not modify free 16S rRNA. CC -!- The preferred substrate is a 5'-terminal fragment of 16S rRNA CC complexed with 30S ribosomal proteins. DR P0AA45, RSUA_ECO57 ; P0AA44, RSUA_ECOL6 ; P0AA43, RSUA_ECOLI ; DR P45124, RSUA_HAEIN ; Q9CPN4, RSUA_PASMU ; Q9I5J6, RSUA_PSEAE ; DR P65841, RSUA_SALTI ; P65840, RSUA_SALTY ; P0AA46, RSUA_SHIFL ; DR Q9KRK5, RSUA_VIBCH ; Q87QD4, RSUA_VIBPA ; Q8D8X2, RSUA_VIBVU ; DR Q8ZGM2, RSUA_YERPE ; //