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:	Y1162
P-Site Sequence:	RCSPGRGYRLPTSAL
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	Y1162	RCSPGRGYRLPTSAL	100 / 9 AA	194
Phosphosite 1:	CXorf22	Q6ZTR5	Y58	DTMAGRVYRLPITVH	66 / 9 AA	110
Phosphosite 2:	C1orf86	Q6NZ36	Y101	LWGPGRSYRLLHGAG	85 / 7 AA	20
Phosphosite 3:	C1orf86	Q6NZ36	S100	DLWGPGRSYRLLHGA	85 / 7 AA	20
Phosphosite 4:	SRMS	Q9H3Y6	Y443	LQQIMRGYRLPRPAA	100 / 6 AA	55
Phosphosite 5:	ARHGAP21	Q5T5U3	Y243	LTQPGRAYRMEIQVP	71 / 7 AA	217
Phosphosite 6:	ZNF646	O15015	Y57	CQQCGRGYRHPGSLV	85 / 7 AA	201
Phosphosite 7:	COBL	O75128	S698	RGQNPGKSYRLKHGL	71 / 7 AA	136
Phosphosite 8:	Src	P12931	Y482	LDQVERGYRMPCPPE	83 / 6 AA	60
Phosphosite 9:	YES1	P07947	Y489	LEQVERGYRMPCPQG	83 / 6 AA	61
Phosphosite 10:	Fyn	P06241	Y483	LEQVERGYRMPCPQD	83 / 6 AA	61
Phosphosite 11:	PSMB7	Q99436	Y34	ADFAKRGYKLPKVRK	71 / 7 AA	30
Phosphosite 12:	WAC	Q9BTA9	Y232	SRHNDRDYRLPRAET	71 / 7 AA	71
Phosphosite 13:	ALS2CL	Q60I27	Y876	SRVLGREYKLPMDDL	62 / 8 AA	108
Phosphosite 14:	CFHR1	Q03591	Y304	EFVCKRGYRLSSRSH	71 / 7 AA	38
Phosphosite 15:	CFH	P08603	Y1205	EFVCKRGYRLSSRSH	71 / 7 AA	139
Phosphosite 16:	EPHA5	P54756	Y895	IKAVEEGYRLPSPMD	83 / 6 AA	115
Phosphosite 17:	BLK	P51451	Y452	IRNLERGYRMPRPDT	71 / 7 AA	58
Phosphosite 18:	Hck	P08631	Y474	IRALERGYRMPRPEN	71 / 7 AA	60
Phosphosite 19:	EphA8	P29322	Y855	ISSVEEGYRLPAPMG	83 / 6 AA	111
Phosphosite 20:	EPHA7	Q15375	Y853	IKAIEEGYRLPAPMD	83 / 6 AA	112