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:	S18
P-Site Sequence:	SERYPCLSEVVKEHQ
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	S18	SERYPCLSEVVKEHQ	100 / 9 AA	194
Phosphosite 1:	POU2F3	Q9UKI9	S275	PSSYPSLSEVFGRKR	85 / 7 AA	47
Phosphosite 2:	POU2F3	Q9UKI9	S273	STPSSYPSLSEVFGR	85 / 7 AA	47
Phosphosite 3:	CdkL2	Q92772	S257	ERRYPKLSEVVIDLA	87 / 8 AA	56
Phosphosite 4:	GBAS	O75323	T138	EGGYPALTEVMNKLR	55 / 9 AA	34
Phosphosite 5:	MAGEB5	Q9BZ81	S25	RDEEYPCSSEVSPST	85 / 7 AA	32
Phosphosite 6:	MAGEB5	Q9BZ81	S26	DEEYPCSSEVSPSTE	85 / 7 AA	32
Phosphosite 7:	PCDHGB6	Q9Y5F9	S30	PLFYPTLSEPIRYSI	55 / 9 AA	101
Phosphosite 8:	XRN1	Q8IZH2	Y14	YRWISERYPCLSEVV	100 / 5 AA	194
Phosphosite 9:	NIPBL	Q6KC79	S1166	YSPPPSLSEVARKMK	62 / 8 AA	316
Phosphosite 10:	RNF8	O76064	Y133	EEDWETIYPCLSPKN	100 / 5 AA	56
Phosphosite 11:	RNF8	O76064	S137	ETIYPCLSPKNDQMI	100 / 5 AA	56
Phosphosite 12:	MPHOSPH10	O00566	T16	RTLERCLTEVGKATG	62 / 8 AA	79
Phosphosite 13:	CCDC147	Q5T655	S167	KERDQLLSEVVKLRE	100 / 6 AA	103
Phosphosite 14:	CHCHD7	Q9BUK0	S18	PDINPCLSESDASTR	83 / 6 AA	10
Phosphosite 15:	PAK5	Q9P286	S322	SYTYPRLSEPTMCIP	55 / 9 AA	81
Phosphosite 16:	CD82	P27701	S175	PEVTYPCSCEVKGEE	71 / 7 AA	30
Phosphosite 17:	ZNF597	Q96LX8	S314	QSLYPALSEKSHDED	83 / 6 AA	48
Phosphosite 18:	GNA11	P29992	S12	SMMACCLSDEVKESK	71 / 7 AA	42
Phosphosite 19:	KPRP	Q5T749	S115	QSQAPCQSEVSYVQC	83 / 6 AA	64
Phosphosite 20:	KIAA0754	O94854	S159	PPLSPCLSEELLDPE	100 / 5 AA	135