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:	XRN1
Human P-Site:	S1388
P-Site Sequence:	ANEIPVSSNRRDEYG
UniProt:	Q8IZH2
Intern. Prot. ID:	IPI00657805

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	XRN1	Q8IZH2	S1388	ANEIPVSSNRRDEYG	100 / 9 AA	194
Phosphosite 1:	XRN1	Q8IZH2	S1387	IANEIPVSSNRRDEY	100 / 8 AA	194
Phosphosite 2:	FBXW10	Q5XX13	S429	GGDLIAVSSNRKIHL	75 / 8 AA	120
Phosphosite 3:	PARD3	Q8TEW0	S3911	NIHIHISSKRRESQG	55 / 9 AA	151
Phosphosite 4:	EIF4G2	P78344	S55	QKWIPARSTRRDDNS	66 / 9 AA	102
Phosphosite 5:	LGI2	Q8N0V4	T518	RSFTAVSTDRRDFFF	55 / 9 AA	62
Phosphosite 6:	SEMA3A	Q14563	Y97	KIVWPVSYTRRDECK	75 / 8 AA	89
Phosphosite 7:	PDE4A	P27815	S205	LTNVPVPSNKRSPLG	62 / 8 AA	98
Phosphosite 8:	MUF1	Q15345	S144	LRGTIDVSSDRRLCD	75 / 8 AA	89
Phosphosite 9:	MUF1	Q15345	S145	RGTIDVSSDRRLCDQ	75 / 8 AA	89
Phosphosite 10:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	T328	GMWIPVSTDRPWEAS	71 / 7 AA	64
Phosphosite 11:	EGF	P01133	S1152	GCWIPVSSDKGSCPQ	71 / 7 AA	134
Phosphosite 12:	EGF	P01133	S1151	QGCWIPVSSDKGSCP	71 / 7 AA	134
Phosphosite 13:	GON4	Q3T8J9	S2057	SFLSPVSSKTRDAGR	75 / 8 AA	249
Phosphosite 14:	NUP210	Q8TEM1	S780	NKQVVPVSSHRNPRL	71 / 7 AA	205
Phosphosite 15:	GPR144	Q7Z7M1	S829	RVVMITVSSARRRAR	75 / 8 AA	104
Phosphosite 16:	NUP210	Q8TEM1	S781	KQVVPVSSHRNPRLD	71 / 7 AA	205
Phosphosite 17:	OR9A4	Q8NGU2	S232	ILKIPSSSGRRKSFS	75 / 8 AA	36
Phosphosite 18:	OR9A4	Q8NGU2	S231	TILKIPSSSGRRKSF	75 / 8 AA	36
Phosphosite 19:	CSDE1	O75534	S74	DDVEFEVSSDRRTGK	62 / 8 AA	89
Phosphosite 20:	ARFIP1	P53367	T16	SAAEIPVTSNGEVDD	83 / 6 AA	42