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:	S1387
P-Site Sequence:	IANEIPVSSNRRDEY
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	S1387	IANEIPVSSNRRDEY	100 / 9 AA	194
Phosphosite 1:	XRN1	Q8IZH2	S1388	ANEIPVSSNRRDEYG	100 / 8 AA	194
Phosphosite 2:	CSDE1	O75534	S74	DDVEFEVSSDRRTGK	66 / 9 AA	89
Phosphosite 3:	FBXW10	Q5XX13	S429	GGDLIAVSSNRKIHL	75 / 8 AA	120
Phosphosite 4:	ARFIP1	P53367	T16	SAAEIPVTSNGEVDD	85 / 7 AA	42
Phosphosite 5:	BLM	P54132	S1322	LDEEIPVSSHYFASK	85 / 7 AA	159
Phosphosite 6:	CDS1	Q92903	S64	DIPEIPPSSDRTPEI	75 / 8 AA	53
Phosphosite 7:	RNase7	Q9H1E1	S27	WVAEIPVSAKPKGMT	55 / 9 AA	17
Phosphosite 8:	MUF1	Q15345	S145	RGTIDVSSDRRLCDQ	75 / 8 AA	89
Phosphosite 9:	MUF1	Q15345	S144	LRGTIDVSSDRRLCD	75 / 8 AA	89
Phosphosite 10:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	T328	GMWIPVSTDRPWEAS	71 / 7 AA	64
Phosphosite 11:	PDE4A	P27815	S205	LTNVPVPSNKRSPLG	62 / 8 AA	98
Phosphosite 12:	EGF	P01133	S1152	GCWIPVSSDKGSCPQ	71 / 7 AA	134
Phosphosite 13:	EGF	P01133	S1151	QGCWIPVSSDKGSCP	71 / 7 AA	134
Phosphosite 14:	MFHAS1	Q9Y4C4	S212	ALEELDVSSNRLRGL	75 / 8 AA	117
Phosphosite 15:	TBC1D15	Q8TC07	S682	SPTQIPVSSDVCRLT	71 / 7 AA	79
Phosphosite 16:	PRICKLE2	Q7Z3G6	S361	QHSQLQVSSNRLSAD	62 / 8 AA	96
Phosphosite 17:	SUPT7L	O94864	S13	YWGEIPISSSQTNRS	62 / 8 AA	46
Phosphosite 18:	C20orf26	Q8NHU2	S797	TNREVPNSSQRRYTG	66 / 9 AA	141
Phosphosite 19:	GPR144	Q7Z7M1	S829	RVVMITVSSARRRAR	75 / 8 AA	104
Phosphosite 20:	NUP210	Q8TEM1	S780	NKQVVPVSSHRNPRL	71 / 7 AA	205