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:	SON
Human P-Site:	S2003
P-Site Sequence:	SRRRRSRSVVRRRSF
UniProt:	P18583
Intern. Prot. ID:	IPI00000192

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SON	P18583	S2003	SRRRRSRSVVRRRSF	100 / 9 AA	264
Phosphosite 1:	SON	P18583	S1942	SRRRRSRSVGRRRSF	88 / 9 AA	264
Phosphosite 2:	SRRM1	Q8IYB3	S343	PRHRRSRSPVRRRRR	88 / 9 AA	102
Phosphosite 3:	SRRM2	Q9UQ35	S706	RGRSRSRSLVRRGRS	87 / 8 AA	300
Phosphosite 4:	PRPF4B	Q13523	S445	PTRRRSRSPIRRRSR	77 / 9 AA	117
Phosphosite 5:	SON	P18583	S2001	TPSRRRRSRSVVRRR	100 / 7 AA	264
Phosphosite 6:	GTPBP1	Q9BZE4	S548	VQARRSRSITRKRKR	66 / 9 AA	74
Phosphosite 7:	KCNH4	Q9UQ05	T174	SARRRSRTVLHRLTG	66 / 9 AA	112
Phosphosite 8:	CCDC49	Q9NXE8	S288	SRDRRSRSLGRRSRS	77 / 9 AA	50
Phosphosite 9:	PRPF4B	Q13523	S453	PIRRRSRSPLRRSRS	77 / 9 AA	117
Phosphosite 10:	FAM54B	Q9H019	S23	KPHGAARSVVRRIGT	85 / 7 AA	32
Phosphosite 11:	LBA1	O15050	S281	PTLLDRQSRSVVDVL	85 / 7 AA	284
Phosphosite 12:	LBA1	O15050	S283	LLDRQSRSVVDVLKR	85 / 7 AA	284
Phosphosite 13:	SNX6	Q9UNH7	S314	KDLLYRRSRSLVDYE	85 / 7 AA	47
Phosphosite 14:	SNX6	Q9UNH7	S316	LLYRRSRSLVDYENA	85 / 7 AA	47
Phosphosite 15:	SCAF1	Q9H7N4	S589	STRRRSRSTDRRRGG	77 / 9 AA	139
Phosphosite 16:	AKAP13	Q12802	S2132	VKKKMSSSVVRRLGI	66 / 9 AA	308
Phosphosite 17:	SFRS2B	Q9BRL6	S120	GYGRRSRSYGRRSRS	77 / 9 AA	32
Phosphosite 18:	RNPS1	Q15287	S289	PVRRRSRSPGRRRHR	77 / 9 AA	34
Phosphosite 19:	MUC5B	Q9HC84	S1044	DFATRSRSVVGDALE	100 / 6 AA	590
Phosphosite 20:	MUC5AC	P98088	S1053	DFATRSRSVVGDVLE	100 / 6 AA	527