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:	S451
P-Site Sequence:	RSPIRRRSRSPLRRS
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	S451	RSPIRRRSRSPLRRS	100 / 9 AA	117
Phosphosite 1:	RBM15	Q96T37	S257	VYVSRRRSRSPLDKD	100 / 8 AA	107
Phosphosite 2:	RNPS1	Q15287	S287	RSPVRRRSRSPGRRR	87 / 8 AA	34
Phosphosite 3:	RBM15	Q96T37	S259	VSRRRSRSPLDKDTY	100 / 7 AA	107
Phosphosite 4:	PRPF4B	Q13523	S368	DKSRRSRSPLLNDRR	100 / 7 AA	117
Phosphosite 5:	PRPF4B	Q13523	S443	WSPTRRRSRSPIRRR	77 / 9 AA	117
Phosphosite 6:	PRPF4B	Q13523	S366	PRDKSRRSRSPLLND	100 / 7 AA	117
Phosphosite 7:	RNPS1	Q15287	S274	PPRMRRRSRSPRRRS	87 / 8 AA	34
Phosphosite 8:	PRPF4B	Q13523	S453	PIRRRSRSPLRRSRS	100 / 7 AA	117
Phosphosite 9:	NSMCE4A	Q9NXX6	S30	RTRSRSRSRSPLSPR	87 / 8 AA	44
Phosphosite 10:	SRRM2	Q9UQ35	S2044	LPRKRSRSRSPLAIR	87 / 8 AA	300
Phosphosite 11:	RBM8A	Q9Y5S9	S166	RRGGRRRSRSPDRRR	100 / 7 AA	20
Phosphosite 12:	PRPF38A	Q8NAV1	S243	SRSPRRRSRSPKRRS	100 / 7 AA	37
Phosphosite 13:	ZNF638	Q14966	S510	HRFRRSRSPMHYMYR	85 / 7 AA	221
Phosphosite 14:	SRRM2	Q9UQ35	S2054	PLAIRRRSRSRTPRT	100 / 7 AA	300
Phosphosite 15:	SRRM2	Q9UQ35	S2030	PPAIRRRSRSRTPLL	100 / 7 AA	300
Phosphosite 16:	PRPF38B	Q5VTL8	S260	RHVERRRSRSPRRSL	100 / 7 AA	64
Phosphosite 17:	SNRNP27	Q8WVK2	S51	RSPHRRRSRSPRRHR	100 / 7 AA	19
Phosphosite 18:	GRAMD1B	Q3KR37	S28	SPILRKRSRSPTPQN	75 / 8 AA	85
Phosphosite 19:	SON	P18583	S2020	SPVRLRRSRTPLRRR	85 / 7 AA	264
Phosphosite 20:	PRPF4B	Q13523	S465	SRSPRRRSRSPRRRD	100 / 7 AA	117