Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	PRPF4B
Human P-Site:	S443
P-Site Sequence:	WSPTRRRSRSPIRRR
UniProt:	Q13523
Intern. Prot. ID:	IPI00013721

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRPF4B	Q13523	S443	WSPTRRRSRSPIRRR	100 / 9 AA	117
Phosphosite 1:	RBM15	Q96T37	S257	VYVSRRRSRSPLDKD	77 / 9 AA	107
Phosphosite 2:	KCNC2	Q96PR1	S630	SPCPLRRSRSPIPSI	100 / 7 AA	70
Phosphosite 3:	KCNC2	Q96PR1	S632	CPLRRSRSPIPSIL_	100 / 7 AA	70
Phosphosite 4:	PRPF4B	Q13523	S451	RSPIRRRSRSPLRRS	77 / 9 AA	117
Phosphosite 5:	PRPF4B	Q13523	S445	PTRRRSRSPIRRRSR	100 / 7 AA	117
Phosphosite 6:	RNPS1	Q15287	S287	RSPVRRRSRSPGRRR	87 / 8 AA	34
Phosphosite 7:	RBM8A	Q9Y5S9	S166	RRGGRRRSRSPDRRR	100 / 7 AA	20
Phosphosite 8:	C20orf111	Q9NX31	S82	RTQRRRRSKSPVLHP	75 / 8 AA	32
Phosphosite 9:	PRPF38A	Q8NAV1	S243	SRSPRRRSRSPKRRS	100 / 7 AA	37
Phosphosite 10:	SRRM1	Q8IYB3	S341	PPPRHRRSRSPVRRR	75 / 8 AA	102
Phosphosite 11:	RNPS1	Q15287	S274	PPRMRRRSRSPRRRS	87 / 8 AA	34
Phosphosite 12:	PRPF38B	Q5VTL8	S260	RHVERRRSRSPRRSL	100 / 7 AA	64
Phosphosite 13:	SNRNP27	Q8WVK2	S51	RSPHRRRSRSPRRHR	100 / 7 AA	19
Phosphosite 14:	SCAF1	Q9H7N4	S587	SRSTRRRSRSTDRRR	100 / 7 AA	139
Phosphosite 15:	PRPF4B	Q13523	S465	SRSPRRRSRSPRRRD	100 / 7 AA	117
Phosphosite 16:	ZNF638	Q14966	S510	HRFRRSRSPMHYMYR	85 / 7 AA	221
Phosphosite 17:	SON	P18583	S2029	TPLRRRFSRSPIRRK	87 / 8 AA	264
Phosphosite 18:	RBM15	Q96T37	S259	VSRRRSRSPLDKDTY	85 / 7 AA	107
Phosphosite 19:	SRRM1	Q8IYB3	S343	PRHRRSRSPVRRRRR	85 / 7 AA	102
Phosphosite 20:	SRRM2	Q9UQ35	S1911	TSVTRRRSRSRASPV	100 / 7 AA	300