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:	S1639
P-Site Sequence:	QTSQPDSSNIVKVSP
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	S1639	QTSQPDSSNIVKVSP	100 / 9 AA	194
Phosphosite 1:	XRN1	Q8IZH2	S1638	VQTSQPDSSNIVKVS	100 / 8 AA	194
Phosphosite 2:	TTK	P33981	T676	NQMQPDTTSVVKDSQ	55 / 9 AA	97
Phosphosite 3:	DEPDC7	Q96QD5	T295	FPEQPDRTDLVKELL	55 / 9 AA	58
Phosphosite 4:	CHD7	Q9P2D1	T2686	FAVAPDWTDIVKQSG	62 / 8 AA	336
Phosphosite 5:	ZNF462	Q96JM2	S652	TDSHPSSSNTVKKSQ	66 / 9 AA	285
Phosphosite 6:	SFXN4	Q6P4A7	S101	ATVHPDSSNLIPKLF	62 / 8 AA	38
Phosphosite 7:	ZNF423	Q2M1K9	S351	SHRQPDSSNHSVSPD	100 / 6 AA	145
Phosphosite 8:	ZNF423	Q2M1K9	S350	DSHRQPDSSNHSVSP	100 / 6 AA	145
Phosphosite 9:	GBPI-1	Q9NXH3	S46	SKSHPDSSKIPRSRR	55 / 9 AA	17
Phosphosite 10:	CEP110	O43303	S177	SPKQCDSSNISHVEN	85 / 7 AA	113
Phosphosite 11:	CEP110	O43303	S176	NSPKQCDSSNISHVE	85 / 7 AA	113
Phosphosite 12:	WDR7	Q9Y4E6	S939	ARGSPPTSSNIVQGQ	75 / 8 AA	164
Phosphosite 13:	WDR7	Q9Y4E6	S940	RGSPPTSSNIVQGQI	75 / 8 AA	164
Phosphosite 14:	RP6-166C19.11	Q5JQC4	S42	GGDSGPDSSDVVPAA	71 / 7 AA	30
Phosphosite 15:	RP6-166C19.11	Q5JQC4	S43	GDSGPDSSDVVPAAE	71 / 7 AA	30
Phosphosite 16:	CT47B1	P0C2W7	S42	GGDSGPDSSDMVPAA	71 / 7 AA	31
Phosphosite 17:	CT47B1	P0C2W7	S43	GDSGPDSSDMVPAAE	71 / 7 AA	31
Phosphosite 18:	ARMC6	Q6NXE6	S70	ESQGVDLSNIVKTAP	85 / 7 AA	54
Phosphosite 19:	GBPI-1	Q9NXH3	S45	ESKSHPDSSKIPRSR	71 / 7 AA	17
Phosphosite 20:	SIRT1	Q96EB6	S550	RTSPPDSSVIVTLLD	66 / 9 AA	82