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:	S487
P-Site Sequence:	RLRRRSRSRGGRRRR
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	S487	RLRRRSRSRGGRRRR	100 / 9 AA	117
Phosphosite 1:	ASTN2	O75129	S388	KRKRRSKSRGGISFG	87 / 8 AA	148
Phosphosite 2:	SFRS5	Q13243	S76	IEHARARSRGGRGRG	87 / 8 AA	31
Phosphosite 3:	RBM16	Q9UPN6	S418	PRKRRSRSRSGSRKR	87 / 8 AA	141
Phosphosite 4:	GPATCH8	Q9UKJ3	S854	SEHSRSRSRSGRRHS	87 / 8 AA	164
Phosphosite 5:	MAPK8IP2	Q13387	S236	EADLRSRSSGGRGGR	87 / 8 AA	88
Phosphosite 6:	PRPF4B	Q13523	S485	RSRLRRRSRSRGGRR	100 / 7 AA	117
Phosphosite 7:	MAPK8IP2	Q13387	S237	ADLRSRSSGGRGGRR	87 / 8 AA	88
Phosphosite 8:	Thsd4	Q6ZMP0	T158	TGDRRSRTRGTIGPG	85 / 7 AA	112
Phosphosite 9:	PRPF38A	Q8NAV1	S236	LRYRRSRSRSPRRRS	77 / 9 AA	37
Phosphosite 10:	Thsd4	Q6ZMP0	S156	EVTGDRRSRTRGTIG	85 / 7 AA	112
Phosphosite 11:	SCAF1	Q9H7N4	S602	GGSRRSRSREKRRRR	77 / 9 AA	139
Phosphosite 12:	SRRM2	Q9UQ35	S2056	AIRRRSRSRTPRTAR	77 / 9 AA	300
Phosphosite 13:	DDX46	Q7L014	S40	KRGDDRRSRSRDRDR	85 / 7 AA	117
Phosphosite 14:	SRRM2	Q9UQ35	S1913	VTRRRSRSRASPVSR	75 / 8 AA	300
Phosphosite 15:	DDX46	Q7L014	S60	RSRDKRRSRSRDRKR	85 / 7 AA	117