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:	S1306
P-Site Sequence:	SPKAECWSQKMSNKQ
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	S1306	SPKAECWSQKMSNKQ	100 / 9 AA	194
Phosphosite 1:	ATG2B	Q96BY7	S133	QLAKECLSQKLTDEQ	62 / 8 AA	233
Phosphosite 2:	TMEM53	Q6P2H8	S19	IPDQPCWSQKNSPSP	85 / 7 AA	32
Phosphosite 3:	PPP2R3A	Q06190	S520	LMDLESFSQKMETSL	71 / 7 AA	130
Phosphosite 4:	NCRNA00188	Q8N1F1	Y121	ASCLAAEYWSQEPAM	83 / 6 AA	14
Phosphosite 5:	CSF1	P09603	S180	NSFAECSSQDVVTKP	62 / 8 AA	60
Phosphosite 6:	AMFR	P26442	S8	MRDSACWSQRKDELL	50 / 8 AA	34
Phosphosite 7:	C17orf74	Q0P670	S164	VFRNPHRSQKMSQLH	71 / 7 AA	57
Phosphosite 8:	PRDM15	P57071	S139	FREAESWSQIGNQRV	83 / 6 AA	169
Phosphosite 9:	SDBCAG84	Q9Y282	S188	QCRREGFSQKMQEQK	71 / 7 AA	43
Phosphosite 10:	ACTR8	Q9H981	S119	MVDQAIWSKKMSNGT	62 / 8 AA	70
Phosphosite 11:	AKAP6	Q13023	S1663	DITLQSSSQKMSFTG	62 / 8 AA	257
Phosphosite 12:	MED16	Q9Y2X0	S310	SSIVECWSLRKEGLP	50 / 8 AA	97
Phosphosite 13:	LTBP3	Q9NS15	S1140	ERRDVCWSQRGEDGM	80 / 5 AA	139
Phosphosite 14:	SILV	P40967	S144	PCPSGSWSQKRSFVY	55 / 9 AA	70
Phosphosite 15:	TSEN54	Q7Z6J9	S336	GRETDAESWCQKLNQ	71 / 7 AA	59
Phosphosite 16:	MYH10	P35580	S1012	EDRIAECSSQLAEEE	83 / 6 AA	229
Phosphosite 17:	NCOA3	Q9Y6Q9	S312	FSLNDGQSWSQKRHY	57 / 7 AA	155
Phosphosite 18:	MYH10	P35580	S1013	DRIAECSSQLAEEEE	83 / 6 AA	229
Phosphosite 19:	NUMB	P49757	S284	FRGFPALSQKMSPFK	83 / 6 AA	71
Phosphosite 20:	Putative uncharacterized protein ENSP00000383407	A8MT66	S140	QVTSECWSPFHYQRH	66 / 6 AA	19