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:	S1351
P-Site Sequence:	EEHLSPQSFAMGTRM
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	S1351	EEHLSPQSFAMGTRM	100 / 9 AA	194
Phosphosite 1:	POLN	Q7Z5Q5	S91	SAKLSPQSFSVRLTD	75 / 8 AA	100
Phosphosite 2:	XRN1	Q8IZH2	S1348	PPSEEHLSPQSFAMG	100 / 6 AA	194
Phosphosite 3:	POLN	Q7Z5Q5	S88	SRGSAKLSPQSFSVR	100 / 6 AA	100
Phosphosite 4:	GALNT3	Q14435	S424	FRSKSPHSFPKGTQV	62 / 8 AA	73
Phosphosite 5:	SHANK1	Q9Y566	S144	LLREYPQSFEKGVPY	71 / 7 AA	225
Phosphosite 6:	AHCP	Q9UBU6	S150	SPQPSPQSFPSGGAA	75 / 8 AA	44
Phosphosite 7:	Putative uncharacterized protein UNQ6190/PRO20217	Q6UXQ8	S61	PPLLSPPSFSSGSSR	66 / 9 AA	13
Phosphosite 8:	SLC9A2	Q9UBY0	S726	FSKKSPQSYKMEWKN	62 / 8 AA	92
Phosphosite 9:	NMDAR2C	Q14957	T51	AQFRARLTPQSFLDL	83 / 6 AA	135
Phosphosite 10:	TSC22D2	O75157	S268	PTPAQPQSFSVGQPQ	71 / 7 AA	79
Phosphosite 11:	TSC22D2	O75157	S270	PAQPQSFSVGQPQPP	71 / 7 AA	79
Phosphosite 12:	SPEF2	Q9C093	S23	SRTVSPKSFAKAFSS	55 / 9 AA	210
Phosphosite 13:	NMDAR2C	Q14957	S54	RARLTPQSFLDLPLE	83 / 6 AA	135
Phosphosite 14:	RC3H2	Q9HBD1	S326	DKLQSPESFAKSVQE	62 / 8 AA	132
Phosphosite 15:	ASPM	Q8IZT6	S370	QKILSPDSFIKDNYG	55 / 9 AA	410
Phosphosite 16:	ERK5	Q13164	S754	LEEFLNQSFDMGVAD	83 / 6 AA	88
Phosphosite 17:	RPGR	Q92834	S421	ERERSPDSFSMRRTL	71 / 7 AA	113
Phosphosite 18:	LAMB4	A4D0S4	S660	TLQSKPQSFALPAAT	83 / 6 AA	194
Phosphosite 19:	VWF	P04275	T2076	QLQLSPKTFASKTYG	71 / 7 AA	309
Phosphosite 20:	PSMB6	P28072	S158	GGMMVRQSFAIGGSG	71 / 7 AA	25