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:	S1826
P-Site Sequence:	DSSLRSRSKRSKSSE
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	S1826	DSSLRSRSKRSKSSE	100 / 9 AA	264
Phosphosite 1:	EYA2	O00167	S253	DGKLRGRSKRSSDPS	87 / 8 AA	59
Phosphosite 2:	SON	P18583	S1824	KRDSSLRSRSKRSKS	100 / 7 AA	264
Phosphosite 3:	Thsd4	Q6ZMP0	S458	YLALRSRSGRSIING	87 / 8 AA	112
Phosphosite 4:	CDC42BPB	Q9Y5S2	S1552	KQMLRTRSKRRFVFK	85 / 7 AA	194
Phosphosite 5:	XCR1	P46094	S215	ILRTLFRSRSKRRHR	85 / 7 AA	39
Phosphosite 6:	MED13L	Q71F56	S1864	NIALPNRSRRSKVSA	66 / 9 AA	243
Phosphosite 7:	XCR1	P46094	S217	RTLFRSRSKRRHRTV	85 / 7 AA	39
Phosphosite 8:	KIF2C	Q99661	S109	APKESLRSRSTRMST	85 / 7 AA	81
Phosphosite 9:	KHDC1	Q4VXA5	S67	SGKTRCRSKRSEQSM	85 / 7 AA	27
Phosphosite 10:	KIF2C	Q99661	S111	KESLRSRSTRMSTVS	85 / 7 AA	81
Phosphosite 11:	BRD1	O95696	S738	MKSSGSRSKRAKLLK	85 / 7 AA	120
Phosphosite 12:	ZNF609	O15014	S90	GKEGKSKSKRSKSGK	75 / 8 AA	151
Phosphosite 13:	IQCB1	Q15051	S333	RSFRSKRSKMLLEIN	100 / 6 AA	69
Phosphosite 14:	SFRS2B	Q9BRL6	S267	KSKSRSRSKRPPKSP	85 / 7 AA	32
Phosphosite 15:	USP3	Q9Y6I4	S350	DIPSQFRSKRSKNQE	100 / 6 AA	59
Phosphosite 16:	SON	P18583	S1829	LRSRSKRSKSSEHKS	100 / 6 AA	264
Phosphosite 17:	MRFAP1L1	Q96HT8	T53	HGRAYLRTRSKLWEM	83 / 6 AA	15
Phosphosite 18:	GPATCH8	Q9UKJ3	S968	RSSSCSRSRSKRRSR	100 / 6 AA	164
Phosphosite 19:	C1orf63	Q9BUV0	S57	SSRFSSRSRRSKSRS	66 / 9 AA	34
Phosphosite 20:	CDK13	Q14004	T283	SKAHRSRTKSSKEPP	75 / 8 AA	165