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:	S1348
P-Site Sequence:	PPSEEHLSPQSFAMG
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	S1348	PPSEEHLSPQSFAMG	100 / 9 AA	194
Phosphosite 1:	RNF180	Q86T96	S353	SDQEEHLSPLDFLHS	77 / 9 AA	68
Phosphosite 2:	KIAA0408	Q6ZU52	S529	RQMQGHLSPRSYRNM	55 / 9 AA	79
Phosphosite 3:	Rb	P06400	S469	KSEEERLSIQNFSKL	66 / 9 AA	106
Phosphosite 4:	Egr1	P18146	T101	EQPYEHLTAESFPDI	62 / 8 AA	58
Phosphosite 5:	NMDAR2C	Q14957	T51	AQFRARLTPQSFLDL	62 / 8 AA	135
Phosphosite 6:	MYT1L	Q9UL68	S390	MRLEEQLSPRSRVFA	75 / 8 AA	133
Phosphosite 7:	XRN1	Q8IZH2	S1351	EEHLSPQSFAMGTRM	100 / 6 AA	194
Phosphosite 8:	SPATA6	Q9NWH7	S325	EKCEEYLSPRSCSKP	75 / 8 AA	56
Phosphosite 9:	TRIM37	O94972	S461	SPPDNHLSPQNDDAL	62 / 8 AA	108
Phosphosite 10:	ETV3	P41162	S315	SVFNYHLSPRTFPRY	71 / 7 AA	57
Phosphosite 11:	POLN	Q7Z5Q5	S88	SRGSAKLSPQSFSVR	100 / 6 AA	100
Phosphosite 12:	POLN	Q7Z5Q5	S91	SAKLSPQSFSVRLTD	100 / 6 AA	100
Phosphosite 13:	villin	P09327	S794	SRKEEHLSIEDFTQA	66 / 9 AA	93
Phosphosite 14:	BRIP1	Q9BX63	S930	LEAASHLSPENFVED	71 / 7 AA	141
Phosphosite 15:	ERF	P50548	S327	SVYNYHLSPRAFLHY	71 / 7 AA	59
Phosphosite 16:	SGSH	P51688	S492	GVLEEKLSPQCQPLH	75 / 8 AA	57
Phosphosite 17:	NIN	Q8N4C6	S269	RQLKRHLSMQSFDES	85 / 7 AA	243
Phosphosite 18:	RUSC2	Q8N2Y8	S890	PSNANHLSPQALKWR	55 / 9 AA	161
Phosphosite 19:	DLG1	Q12959	S122	TPPQEHISPQITNEV	71 / 7 AA	100
Phosphosite 20:	Asxl3	Q9C0F0	S780	SVSEEPLSPQKDESS	85 / 7 AA	242