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:	S1682
P-Site Sequence:	HSISHHKSTPISSSR
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	S1682	HSISHHKSTPISSSR	100 / 9 AA	194
Phosphosite 1:	XRN1	Q8IZH2	T1683	SISHHKSTPISSSRR	100 / 8 AA	194
Phosphosite 2:	CD45	P08575	T1161	GNKHHKSTPLLIHCR	85 / 7 AA	150
Phosphosite 3:	TRAK1	Q9UPV9	S706	GSTSHLKSTPVATPC	66 / 9 AA	106
Phosphosite 4:	HEFL	Q9NQ75	S625	ETESHQKSTPSTKQR	85 / 7 AA	87
Phosphosite 5:	ASB1	Q9Y576	T146	GSRHHRSTPVYHASR	71 / 7 AA	37
Phosphosite 6:	CENPC1	Q03188	S85	CQKSHPKSVPVSSKK	66 / 9 AA	107
Phosphosite 7:	THAP10	Q9P2Z0	T180	EGPVHKSTQISLKRP	85 / 7 AA	28
Phosphosite 8:	THAP10	Q9P2Z0	S179	EEGPVHKSTQISLKR	85 / 7 AA	28
Phosphosite 9:	BRD4	O60885	S1051	HSPRHHKSDPYSTGH	75 / 8 AA	152
Phosphosite 10:	Trb2	Q92519	T7	_MNIHRSTPITIARY	71 / 7 AA	39
Phosphosite 11:	KANK1	Q14678	S115	IARSQVTSTPISKPP	66 / 9 AA	147
Phosphosite 12:	TRAK1	Q9UPV9	T707	STSHLKSTPVATPCT	62 / 8 AA	106
Phosphosite 13:	DNMT1	P26358	S1030	RPENTHKSTPASYHA	85 / 7 AA	183
Phosphosite 14:	DNMT1	P26358	T1031	PENTHKSTPASYHAD	85 / 7 AA	183
Phosphosite 15:	ANKRD12	Q6UB98	S120	KEAGNKKSTPVSILF	55 / 9 AA	236
Phosphosite 16:	TP53BP1	Q12888	S433	STVSPQASTPISQST	66 / 9 AA	214
Phosphosite 17:	HEFL	Q9NQ75	T626	TESHQKSTPSTKQRE	83 / 6 AA	87
Phosphosite 18:	EIF4G1	Q04637	S300	IQMSVEESTPISRET	66 / 9 AA	176
Phosphosite 19:	POLE	Q07864	S1051	EDYGEQKSTSISTAK	55 / 9 AA	262
Phosphosite 20:	ANKRD12	Q6UB98	T121	EAGNKKSTPVSILFG	62 / 8 AA	236