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:	ATXN3L
Human P-Site:	S258
P-Site Sequence:	IELSMQGSSGNTSQD
UniProt:	Q9H3M9
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ATXN3L	Q9H3M9	S258	IELSMQGSSGNTSQD	100 / 9 AA	41
Phosphosite 1:	ATXN3L	Q9H3M9	S259	ELSMQGSSGNTSQDL	100 / 8 AA	41
Phosphosite 2:	USP34	Q70CQ2	S564	TEESMQGSSDETANS	77 / 9 AA	404
Phosphosite 3:	CASP10	Q92851	S260	SRGMQGASANTLNSE	75 / 8 AA	59
Phosphosite 4:	MEI1	Q5TIA1	S277	AKNIEGSSGNTSLPL	75 / 8 AA	141
Phosphosite 5:	Ataxin-3	P54252	S260	IQLSMQGSSRNISQD	77 / 9 AA	42
Phosphosite 6:	USP34	Q70CQ2	S565	EESMQGSSDETANSG	75 / 8 AA	404
Phosphosite 7:	RAB3B	P20337	S200	TDPSMLGSSKNTRLS	77 / 9 AA	25
Phosphosite 8:	GPS2	Q13227	S134	HLLSMQGSPGGHNRP	85 / 7 AA	37
Phosphosite 9:	POLS	Q5XG87	S490	MKLSMKGSHGHTQGG	66 / 9 AA	60
Phosphosite 10:	ZNF662	Q6ZS27	S169	EMISVEESSGNTDVN	66 / 9 AA	48
Phosphosite 11:	MUC16	Q8WXI7	S9569	VSTTMPGSSGITRIE	66 / 9 AA	2353
Phosphosite 12:	MCAM	P43121	S628	MGLLQGSSGDKRAPG	62 / 8 AA	72
Phosphosite 13:	EYA1	Q99502	S188	SYQMQGSSFTTSSGI	75 / 8 AA	65
Phosphosite 14:	EYA1	Q99502	S187	YSYQMQGSSFTTSSG	75 / 8 AA	65
Phosphosite 15:	AGBL5	Q8NDL9	S805	RRGMKGSSGPTSPTP	75 / 8 AA	98
Phosphosite 16:	ZNF518A	Q6AHZ1	S1040	SCLSMKSSSENTLPL	66 / 9 AA	167
Phosphosite 17:	SALL1	Q9NSC2	S326	IQLPQSSSGNTIIPS	85 / 7 AA	140
Phosphosite 18:	FAM104A	Q969W3	S78	LSQTMAGSSPNTPQP	66 / 9 AA	13
Phosphosite 19:	AGBL5	Q8NDL9	S804	TRRGMKGSSGPTSPT	75 / 8 AA	98
Phosphosite 20:	FAM104A	Q969W3	S79	SQTMAGSSPNTPQPV	75 / 8 AA	13