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:	SFRS4
Human P-Site:	S304
P-Site Sequence:	KSKSRSRSQERRVEE
UniProt:	Q08170
Intern. Prot. ID:	IPI00000015

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SFRS4	Q08170	S304	KSKSRSRSQERRVEE	100 / 9 AA	57
Phosphosite 1:	SFRS15	O95104	S478	RHSPRSRSQERRDRE	88 / 9 AA	126
Phosphosite 2:	RBM39	Q14498	S44	KSKSRSRSHERKRSK	77 / 9 AA	59
Phosphosite 3:	CACNA1B	Q00975	S2111	RRQERGRSQERRQPS	87 / 8 AA	262
Phosphosite 4:	RSRC2	Q7L4I2	S130	RSHSRSRSRERRHRS	88 / 9 AA	51
Phosphosite 5:	U2AF1	Q01081	S199	KHRSRSRSRERRSRS	88 / 9 AA	28
Phosphosite 6:	STAT2	P52630	S584	IMGFVSRSQERRLLK	100 / 7 AA	98
Phosphosite 7:	ZNF265	O95218	S307	KRRTRSRSPERRHRS	77 / 9 AA	37
Phosphosite 8:	SPEG	Q15772	S2357	RLLSRSRSEERGPFR	87 / 8 AA	354
Phosphosite 9:	SFRS4	Q08170	S302	KSKSKSRSRSQERRV	100 / 7 AA	57
Phosphosite 10:	SFRS3	P84103	S160	RSRSRSRSNERK___	77 / 9 AA	19
Phosphosite 11:	ACIN1	Q9UKV3	S1180	GPRSRSRSRDRRRKE	77 / 9 AA	152
Phosphosite 12:	SFRS18	Q8TF01	S636	NRASRSRSRDRRKID	77 / 9 AA	93
Phosphosite 13:	SFRS18	Q8TF01	S623	RRRSRSRSRDRRTNR	77 / 9 AA	93
Phosphosite 14:	RBM39	Q14498	S86	RRRSRSRSRDRRFRG	77 / 9 AA	59
Phosphosite 15:	SFRS15	O95104	S466	HRRSRSRSRDRRRHS	77 / 9 AA	126
Phosphosite 16:	PAGE3	Q5JUK9	S11	HQRTRSRSRERRDDQ	77 / 9 AA	12
Phosphosite 17:	CLK3	P49761	S199	PRRSRSRSHDRLPYQ	75 / 8 AA	59
Phosphosite 18:	RBM39	Q14498	S76	RERKRSRSKERRRSR	87 / 8 AA	59
Phosphosite 19:	FUSIP1	O75494	S123	YRRSRSRSYERRRSR	88 / 9 AA	31
Phosphosite 20:	SRRM3	A6NNA2	S512	PSKSRSRSAEKRPHS	77 / 9 AA	65