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:	T580
P-Site Sequence:	RLLEAMETCNHSLKK
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	T580	RLLEAMETCNHSLKK	100 / 9 AA	194
Phosphosite 1:	PACS1	Q6VY07	T731	PVAEAMLTCRHKFPD	75 / 8 AA	105
Phosphosite 2:	SSBP2	P81877	T81	AAPERRETCEHSSEA	66 / 9 AA	38
Phosphosite 3:	SYNE1	Q8NF91	T1157	IKGEAIDTANHGEVK	55 / 9 AA	1011
Phosphosite 4:	ADAMTS13	Q76LX8	T798	QPAVALETCNPQPCP	71 / 7 AA	154
Phosphosite 5:	RP1	P56715	T1273	KAYSPKETCNPSDTF	62 / 8 AA	241
Phosphosite 6:	ZNF521	Q96K83	S337	DSHQQPESCNHSNSP	83 / 6 AA	148
Phosphosite 7:	NTN5	Q8WTR8	T60	NHLGARETCNGSLTL	75 / 8 AA	53
Phosphosite 8:	SSBP3	Q9BWW4	T79	AAPERRDTCEHSSEA	55 / 9 AA	40
Phosphosite 9:	FAM63A	Q8N5J2	T267	QLVERIITCKHSSDT	55 / 9 AA	52
Phosphosite 10:	PAR3-beta	Q8TEW8	T569	SNHEAMETLRRSMSM	66 / 9 AA	132
Phosphosite 11:	PIK3CB	P42338	T744	KGKEAMHTCLKQSAY	83 / 6 AA	123
Phosphosite 12:	PSG11	Q9UQ72	T164	NPREAMETVILTCNP	55 / 9 AA	37
Phosphosite 13:	PSG2	P11465	T164	NPREAMETVILTCDP	55 / 9 AA	37
Phosphosite 14:	IL6	P05231	T71	ISALRKETCNKSNMC	71 / 7 AA	24
Phosphosite 15:	MAN1B1	Q9UKM7	Y557	QELMETCYQMNRQME	66 / 6 AA	80
Phosphosite 16:	IFFO2	Q5TF58	T242	GLDVQMETCRRLIKG	66 / 6 AA	33
Phosphosite 17:	IFFO1	Q0D2I5	T514	GLDVQMETCRRLITQ	66 / 6 AA	62
Phosphosite 18:	FAM22A	Q8IVF1	T671	QQGVGMETCPPQTTA	80 / 5 AA	94
Phosphosite 19:	FAM22D	Q5VT03	T599	QQGVGMETCPPQTTA	80 / 5 AA	86
Phosphosite 20:	MED13	Q9UHV7	T1746	GPGLAMETALRSPDR	62 / 8 AA	239