5.4.99.B4	23S rRNA uridine	-	Bifidobacterium bifidum	23S rRNA pseudouridine	-	?	390137	
5.4.99.B4	23S rRNA uridine	Cbf5 is needed for pseudouridylation of the large subunit rRNA residues	Haloferax volcanii	23S rRNA pseudouridine	-	?	390137	
5.4.99.B4	23S rRNA uridine	pseudouridine synthase is responsible for the pseudouridine modifications at positions 1911, 1915, and 1917 in helix 69 of 23S rRNA	Escherichia coli	23S rRNA pseudouridine	-	?	390137	
5.4.99.B4	23S rRNA uridine	pseudouridine synthase is responsible for the pseudouridine modifications at positions 1911, 1915, and 1917 in helix 69 of 23S rRNA	Salmonella enterica	23S rRNA pseudouridine	-	?	390137	
5.4.99.B4	23S rRNA uridine	RluD is a helix 69-specific enzyme. The yield of pseudouridylation by RluD is 2.1 pseudouridines formed in helix 69 of 23S rRNA	Escherichia coli	23S rRNA pseudouridine	-	?	390137	
5.4.99.B4	23S rRNA uridine	RluD isomerizes all three uridines (U1911, U1915, and U1917) in the stem–loop 69 of 23S rRNA to pseudouridines	Escherichia coli	23S rRNA pseudouridine	-	?	390137	
5.4.99.B4	23S rRNA uridine	-	Bifidobacterium bifidum Yakult YIT 4001	23S rRNA pseudouridine	-	?	390137	
5.4.99.B4	23S rRNA uridine	Cbf5 is needed for pseudouridylation of the large subunit rRNA residues	Haloferax volcanii H26	23S rRNA pseudouridine	-	?	390137	
5.4.99.B4	50S ribosomal subunit	-	Escherichia coli	?	-	?	416444	
5.4.99.B4	50S rRNA uridine	-	Escherichia coli	50S rRNA pseudouridine	-	?	416445