Insight into the mechanisms and functions of spliceosomal snRNA pseudouridylation

Table 1 Pseudouridylation sites within yeast and human spliceosomal snRNAs

Organism	snRNA	Position	Catalyst	Ref.
Yeast	U1	Ψ5	Cbf5	[52], Unpublished data Yu Lab
		Ψ6	Cbf5	[52], Unpublished data Yu Lab
	U2	Ψ35	Pus7	[52,70]
		Ψ42	H/ACA RNP (snR81)	[52,83]
		Ψ44	Pus1	[52]
		(Ψ56; induced)	Pus7	[87]
		(Ψ93; induced)	H/ACA RNP (snR81)	[87]
	U5	Ψ99	NR	[52]
Human	U1	Ψ5	H/ACA RNP (ACA47)	[81, 88]
		Ψ6	H/ACA RNP (U109)	[88,89]
	U2	Ψ6	NR
		Ψ7	H/ACA RNP (U100)	[43,79]
		Ψ15	NR
		Ψ34	H/ACA RNP (U92)	[90, 91]
		Ψ37	H/ACA RNP (ACA45)	[81,91]
		Ψ39	H/ACA RNP (ACA26)	[81,91]
		Ψ41	H/ACA RNP (ACA45)	[81,91]
		Ψ43	NR
		Ψ44	H/ACA RNP (U92)	[90,91]
		Ψ54	H/ACA RNP (U93)	[30,43,91,92]
		Ψ58	NR
		Ψ60	NR	[93]
		Ψ89	H/ACA RNP (ACA35)	[81,91]
		Ψ91	NR
	U4	Ψ4	NR
		Ψ72	NR
		Ψ79	NR
	U5	Ψ43	H/ACA RNP (ACA57)	[81,94]
		Ψ46	H/ACA RNP (U85)	[80,94]
		Ψ53	H/ACA RNP (U93)	[30,91,92]
	U6	Ψ31	H/ACA RNP (ACA65)	[43]
		Ψ40	H/ACA RNP (ACA12)	[79,81,95]
		Ψ86	H/ACA RNP (ACA65)	[79]
	U12	Ψ19	H/ACA RNP (ACA68)	[43,96]
		Ψ28	H/ACA RNP (ACA66)	[43,96]
	U4atac	Ψ12	NR	[96]
	U6atac	Ψ83	NR	[96]