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:	S477
P-Site Sequence:	RRDRGRRSRSRLRRR
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	S477	RRDRGRRSRSRLRRR	100 / 9 AA	117
Phosphosite 1:	SSPO	A2VEC9	S2799	GGGPGWRSRSRLCPS	87 / 8 AA	548
Phosphosite 2:	DNMT3B	Q9UBC3	S51	PEIRGRRSSSRLSKR	88 / 9 AA	96
Phosphosite 3:	DNMT3B	Q9UBC3	S52	EIRGRRSSSRLSKRE	87 / 8 AA	96
Phosphosite 4:	FLJ22626	Q8N5F7	S42	RSPRGRRSRSHSCSR	87 / 8 AA	47
Phosphosite 5:	SFRS7	Q16629	S155	SRSRGRRSRSASPRR	100 / 7 AA	27
Phosphosite 6:	SFRS11	Q05519	S304	SRERGRRSRSTSKTR	100 / 7 AA	54
Phosphosite 7:	DDX46	Q7L014	S102	SRSRGRRSRSSSPGN	100 / 7 AA	117
Phosphosite 8:	TJP2	Q9UDY2	S284	ARSRGPRSRSREHPH	87 / 8 AA	134
Phosphosite 9:	CHD1	O14646	S1090	NGSEGRRSRSRRYSG	100 / 7 AA	197
Phosphosite 10:	PRPF4B	Q13523	S479	DRGRRSRSRLRRRSR	100 / 7 AA	117
Phosphosite 11:	U2AF1	Q01081	S204	SRSRERRSRSRDRGR	87 / 8 AA	28
Phosphosite 12:	TAO2	Q9UL54	S1223	GTLAGRRSRTRQSRA	85 / 7 AA	138
Phosphosite 13:	ZRSR2	Q15696	S441	SRGRGSRSRSRSRSR	87 / 8 AA	58
Phosphosite 14:	LBR	Q14739	S80	SRRRGSRSRSRSRSP	87 / 8 AA	71
Phosphosite 15:	CIR	Q86X95	S390	REERSRRSRSRSPGS	87 / 8 AA	52
Phosphosite 16:	SR140	O15042	S998	TPKRSRRSRSRSPKK	87 / 8 AA	118
Phosphosite 17:	PHLDB1	Q86UU1	T516	LGARGRRTRSPSPTL	85 / 7 AA	151
Phosphosite 18:	TBC1D16	Q8TBP0	T116	PRPRGRRTRSSGASH	85 / 7 AA	86
Phosphosite 19:	EPS8L1	Q8TE68	S294	HRERGRRSRRRAAGE	87 / 8 AA	80
Phosphosite 20:	RSRC1	Q96IZ7	S108	SKSRTRRSRSRPRLR	87 / 8 AA	39