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:	Y437
P-Site Sequence:	FRQYKRTYYMTKMGV
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	Y437	FRQYKRTYYMTKMGV	100 / 9 AA	194
Phosphosite 1:	XRN1	Q8IZH2	Y438	RQYKRTYYMTKMGVD	100 / 8 AA	194
Phosphosite 2:	WDR89	Q96FK6	Y233	GKGYKQIYCMTHDEG	62 / 8 AA	43
Phosphosite 3:	WDR87	Q6ZQQ6	T60	EDMVEKRTFSMTERL	71 / 7 AA	333
Phosphosite 4:	ANO7	Q6IWH7	Y888	IKVKREYYLAKQALA	62 / 8 AA	106
Phosphosite 5:	ANO7	Q6IWH7	Y887	EIKVKREYYLAKQAL	62 / 8 AA	106
Phosphosite 6:	WDR87	Q6ZQQ6	S62	MVEKRTFSMTERLPP	71 / 7 AA	333
Phosphosite 7:	XPNPEP3	Q9NQH7	Y106	VLSNPTYYMSNDIPY	50 / 8 AA	57
Phosphosite 8:	XPNPEP3	Q9NQH7	Y105	VVLSNPTYYMSNDIP	50 / 8 AA	57
Phosphosite 9:	KIAA1328	Q86T90	Y221	IARPQTYYQTKQRPK	71 / 7 AA	65
Phosphosite 10:	ERMP1	Q7Z2K6	Y514	HTLAKRFYYMNASAQ	71 / 7 AA	100
Phosphosite 11:	Ig heavy chain V-III region HIL	P01771	Y80	DNSKRTLYMZMNSLR	83 / 6 AA	14
Phosphosite 12:	ERMP1	Q7Z2K6	Y515	TLAKRFYYMNASAQY	71 / 7 AA	100
Phosphosite 13:	REV3	O60673	Y2985	LRLNATYYITKQILP	83 / 6 AA	353
Phosphosite 14:	REV3	O60673	Y2984	TLRLNATYYITKQIL	83 / 6 AA	353
Phosphosite 15:	KIAA1328	Q86T90	Y220	SIARPQTYYQTKQRP	71 / 7 AA	65
Phosphosite 16:	XRN1	Q8IZH2	Y433	FETEFRQYKRTYYMT	100 / 5 AA	194
Phosphosite 17:	PDHB	P11177	Y132	NSAAKTYYMSGGLQP	66 / 6 AA	39
Phosphosite 18:	PDHB	P11177	Y131	INSAAKTYYMSGGLQ	66 / 6 AA	39
Phosphosite 19:	C14orf115	Q9H8Y1	Y686	PLTARSTYYMWKRAL	62 / 8 AA	78
Phosphosite 20:	PDPK1	O15530	Y524	HTPNRTYYLMDPSGN	66 / 6 AA	63