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:	T1444
P-Site Sequence:	PPVSTPVTELSRICS
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	T1444	PPVSTPVTELSRICS	100 / 9 AA	194
Phosphosite 1:	C1orf103	Q5T3J3	T405	TVSSSPVTEISREVV	77 / 9 AA	85
Phosphosite 2:	POMP	Q9Y244	T17	LKDSIPVTELSASGP	87 / 8 AA	16
Phosphosite 3:	SUPT7L	O94864	T147	RGKGEPVTELSWHSC	85 / 7 AA	46
Phosphosite 4:	MMAA	Q8IVH4	T198	LGDKTRMTELSRDMN	75 / 8 AA	47
Phosphosite 5:	SRRM2	Q9UQ35	T1106	SRSSSPVTELASRSP	75 / 8 AA	300
Phosphosite 6:	N4BP1	O75113	S245	NKAGTPVSELTKQMD	55 / 9 AA	100
Phosphosite 7:	COL6A3	P12111	T689	QFSDTPVTEFSLNTY	85 / 7 AA	344
Phosphosite 8:	CYLC2	Q14093	S21	YDNYIPVSELSKKSW	62 / 8 AA	39
Phosphosite 9:	Cas-L	Q14511	S818	VHQVTDLSRNAQLFK	83 / 6 AA	93
Phosphosite 10:	KIAA1305	Q9P2P1	T972	PPSSASVTELSDDAD	75 / 8 AA	208
Phosphosite 11:	MUC5AC	P98088	T4224	ISTSEPVTELGCPNA	75 / 8 AA	527
Phosphosite 12:	TNN	Q9UQP3	S139	CQGVTDLSRHCSGHG	83 / 6 AA	144
Phosphosite 13:	TNN	Q9UQP3	T136	QRCCQGVTDLSRHCS	83 / 6 AA	144
Phosphosite 14:	DSN1	Q9H410	T118	HPIHQGITELSRSIS	83 / 6 AA	40
Phosphosite 15:	DSN1	Q9H410	S121	HQGITELSRSISVDL	83 / 6 AA	40
Phosphosite 16:	LPP	Q93052	T159	PPVSTPVTGHKRMVI	66 / 9 AA	66
Phosphosite 17:	C2orf78	A6NCI8	T842	PVMSTPITEEQRPER	66 / 9 AA	97
Phosphosite 18:	FYCO1	Q9BQS8	T22	RDLQDAVTELSKEFQ	71 / 7 AA	167
Phosphosite 19:	EPS15L1	Q9UBC2	S800	SGKSTPVSQLGSADF	62 / 8 AA	94
Phosphosite 20:	KLF10	Q13118	S69	NRPVTPVSDLSEEEN	71 / 7 AA	53