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:	S539
P-Site Sequence:	HLMTNEDSPIIEYYP
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	S539	HLMTNEDSPIIEYYP	100 / 9 AA	194
Phosphosite 1:	USP53	Q70EK8	S703	NGSTNLDSPVIDGNG	66 / 9 AA	121
Phosphosite 2:	CELSR1	Q9NYQ6	S350	VKDTNDHSPVFEQSE	55 / 9 AA	329
Phosphosite 3:	PHF14	O94880	S302	QSKSNEDSLILEKSQ	66 / 9 AA	100
Phosphosite 4:	WDHD1	O75717	S958	RTTNNEKSPIIKPLI	85 / 7 AA	126
Phosphosite 5:	ZNF644	Q9H582	S1214	VLPLNEDSPLMYQPQ	71 / 7 AA	150
Phosphosite 6:	TBC1D25	Q3MII6	S130	DIRPSEDSPLLEDWD	62 / 8 AA	76
Phosphosite 7:	C10orf6	Q8IX21	S109	KRVPPEKSPIIEAFM	85 / 7 AA	132
Phosphosite 8:	SLC14A2	Q15849	S59	LRSSNEDSHIVKIEK	62 / 8 AA	101
Phosphosite 9:	KIAA1641	A6QL64	S145	AVYNEDTSMIEKLLS	62 / 8 AA	127
Phosphosite 10:	BAZ2A	Q9UIF9	S334	DKLPLEDSPVISALD	83 / 6 AA	211
Phosphosite 11:	DUSP16	Q9BY84	S374	QPSLLEDSPLVQALS	57 / 7 AA	73
Phosphosite 12:	PCDH11Y	Q9BZA8	S1332	ARPSRGDSPIMETHP	83 / 6 AA	147
Phosphosite 13:	PCDH11X	Q9BZA7	S1339	ARPSRGDSPIMEEHP	83 / 6 AA	148
Phosphosite 14:	ZBTB2	Q8N680	S326	ELQHISDSPIIDGQQ	83 / 6 AA	57
Phosphosite 15:	ZRANB1	Q9UGI0	S415	QKELEEESPIINWSL	83 / 6 AA	81
Phosphosite 16:	PCNXL2	A6NKB5	S1624	TLDSDEDSPLVTLSF	50 / 8 AA	237
Phosphosite 17:	NBR1	Q14596	S596	MSPLPHDSPLIEKPG	83 / 6 AA	107
Phosphosite 18:	TEX11	Q8IYF3	S39	NLVTNDNSPNIPEAI	62 / 8 AA	108
Phosphosite 19:	UBR5	O95071	S808	IFTAGQESPIILRDG	50 / 8 AA	309
Phosphosite 20:	DNAJC9	Q8WXX5	S88	QGTVDEDSPVLTQDR	57 / 7 AA	30