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:	S271
P-Site Sequence:	KIEDKSKSKDRKKSP
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	S271	KIEDKSKSKDRKKSP	100 / 9 AA	117
Phosphosite 1:	P2RY13	Q9BPV8	S244	DSYRKSKSKDRKNNK	100 / 8 AA	41
Phosphosite 2:	PPIG	Q13427	S470	KSKEKSKSKERDSKH	75 / 8 AA	89
Phosphosite 3:	TAF10	Q12962	S188	SGSSRSKSKDRKYTL	87 / 8 AA	22
Phosphosite 4:	LELP1	Q5T871	S9	SSDDKSKSNDPKTEP	77 / 9 AA	11
Phosphosite 5:	SAPAP3	O95886	S244	RHGKRSKSKDRKGDG	87 / 8 AA	106
Phosphosite 6:	PRPF4B	Q13523	S269	KVKIEDKSKSKDRKK	100 / 7 AA	117
Phosphosite 7:	PRPF4B	Q13523	S217	EKTTRSKSKERKKSK	75 / 8 AA	117
Phosphosite 8:	ZNF292	O60281	S1559	ANQEKSKSKHRGTKH	75 / 8 AA	218
Phosphosite 9:	CROP	O95232	S355	RDRRRSKSRDRKSYK	75 / 8 AA	51
Phosphosite 10:	SAPAP2	Q9P1A6	S279	KHSKRSKSKERKPEG	75 / 8 AA	118
Phosphosite 11:	RBM39	Q14498	S68	RERKKSKSRERKRSR	75 / 8 AA	59
Phosphosite 12:	RBM39	Q14498	S52	HERKRSKSKERKRSR	75 / 8 AA	59
Phosphosite 13:	TTC21B	Q7Z4L5	S604	RIGASTKSKDRKTEV	85 / 7 AA	151
Phosphosite 14:	SON	P18583	S1901	SPKHRSKSRERKRKR	55 / 9 AA	264
Phosphosite 15:	PPIG	Q13427	S618	TPPGRSRSKDRRRRR	55 / 9 AA	89
Phosphosite 16:	ZFHX4	Q86UP3	S2878	SNPFKSKSNDRPGHK	85 / 7 AA	394
Phosphosite 17:	Gde5	Q9NPB8	S418	THVTALKSKDRKESV	100 / 6 AA	76
Phosphosite 18:	DGCR8	Q8WYQ5	S130	SFTESCRSKDRKVLY	55 / 9 AA	86
Phosphosite 19:	ANKRD11	Q6UB99	S1265	EKSDKEHSKERKSSR	66 / 9 AA	298
Phosphosite 20:	SAFB	Q15424	S589	SKERASKSQDRKSAS	85 / 7 AA	103