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:	S1634
P-Site Sequence:	QATPVQTSQPDSSNI
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	S1634	QATPVQTSQPDSSNI	100 / 9 AA	194
Phosphosite 1:	XRN1	Q8IZH2	T1633	SQATPVQTSQPDSSN	100 / 8 AA	194
Phosphosite 2:	DRD1	P21728	S254	NGKPVECSQPESSFK	66 / 9 AA	49
Phosphosite 3:	FOXM1	Q08050	S643	DFSPVQTSQGASDPL	77 / 9 AA	84
Phosphosite 4:	CENPC1	Q03188	S373	KPHPVETSQPSDKTV	85 / 7 AA	107
Phosphosite 5:	ARHGAP21	Q5T5U3	S220	MAQPVEISPPDSSLS	66 / 9 AA	217
Phosphosite 6:	SLC17A8	Q8NDX2	T57	EEGRPVQTSRPSPPL	85 / 7 AA	65
Phosphosite 7:	SAGE1	Q9NXZ1	T8	MQASPLQTSQPTPPE	85 / 7 AA	99
Phosphosite 8:	SLC17A8	Q8NDX2	S58	EGRPVQTSRPSPPLC	85 / 7 AA	65
Phosphosite 9:	Putative SAGE1-like protein	A6NJ88	T49	IQASPLQTSQPTPPE	85 / 7 AA	69
Phosphosite 10:	FOXM1	Q08050	T642	LDFSPVQTSQGASDP	100 / 6 AA	84
Phosphosite 11:	POU5F1B	Q06416	S93	PQGGLETSQPESEAG	62 / 8 AA	39
Phosphosite 12:	SAGE1	Q9NXZ1	S9	QASPLQTSQPTPPEE	85 / 7 AA	99
Phosphosite 13:	Putative SAGE1-like protein	A6NJ88	S50	QASPLQTSQPTPPEE	85 / 7 AA	69
Phosphosite 14:	MAP7D2	Q96T17	S36	EPGAVRTSQPNYRPQ	62 / 8 AA	82
Phosphosite 15:	RAI14	Q9P0K7	S405	LGKPGETSPPDSKSS	66 / 9 AA	110
Phosphosite 16:	EWS	Q01844	S149	GNKPTETSQPQSSTG	66 / 9 AA	68
Phosphosite 17:	RGL3	Q3MIN7	S221	PPRVAQTSDPDSSEA	85 / 7 AA	78
Phosphosite 18:	EP400	Q96L91	S2853	AQVQVQTSQPPQQQS	100 / 6 AA	344
Phosphosite 19:	ZFHX1B	O60315	S916	FMPPVQTSIPGLRPY	75 / 8 AA	136
Phosphosite 20:	HNF1A	P20823	S465	TLQPVQFSQPLHPSY	85 / 7 AA	67