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:	S215
P-Site Sequence:	VKEKTTRSKSKERKK
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	S215	VKEKTTRSKSKERKK	100 / 9 AA	117
Phosphosite 1:	PRPF4B	Q13523	S217	EKTTRSKSKERKKSK	100 / 7 AA	117
Phosphosite 2:	CPB2	Q96IY4	S325	FPYSYTRSKSKDHEE	85 / 7 AA	48
Phosphosite 3:	CPB2	Q96IY4	S327	YSYTRSKSKDHEELS	85 / 7 AA	48
Phosphosite 4:	LUC7L2	Q9Y383	S294	ERKRRTRSKSREKRH	85 / 7 AA	47
Phosphosite 5:	LUC7L2	Q9Y383	S296	KRRTRSKSREKRHRH	85 / 7 AA	47
Phosphosite 6:	RIMS2	Q9UQ26	S1106	LERTTTRSRSTERPD	75 / 8 AA	160
Phosphosite 7:	USP26	Q9BXU7	S20	GNCKTGISKSKEAFI	77 / 9 AA	104
Phosphosite 8:	PPIG	Q13427	S464	KSKSRSKSKEKSKSK	85 / 7 AA	89
Phosphosite 9:	PPIG	Q13427	S462	RAKSKSRSKSKEKSK	85 / 7 AA	89
Phosphosite 10:	NCM	Q9HCG8	S854	RRKDRSKSKEMNRKH	100 / 6 AA	106
Phosphosite 11:	DIDO1	Q9BTC0	S2217	DRKDRSKSKESARDP	100 / 6 AA	244
Phosphosite 12:	SAPAP1	O14490	S182	AARYGKRSKSKERRA	100 / 6 AA	109
Phosphosite 13:	KIAA1841	Q6NSI8	S708	SSEKNTRSKSRFGQG	75 / 8 AA	82
Phosphosite 14:	KSR	Q8IVT5	S307	SFPTLTRSKSHESQL	85 / 7 AA	102
Phosphosite 15:	TAF10	Q12962	S186	TASGSSRSKSKDRKY	62 / 8 AA	22
Phosphosite 16:	SLC4A2	P04920	S498	PPAGITRSKSKHELK	85 / 7 AA	137
Phosphosite 17:	PLXNC1	O60486	S970	VGVTRHKSKELSRKQ	85 / 7 AA	176
Phosphosite 18:	KSR	Q8IVT5	S309	PTLTRSKSHESQLGN	85 / 7 AA	102
Phosphosite 19:	PRPF38B	Q5VTL8	S450	NAGKRSRSRSKEKSS	66 / 9 AA	64
Phosphosite 20:	ZNF514	Q96K75	S80	DWKRRSKSKESMPSW	100 / 6 AA	46