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:	ATXN2
Human P-Site:	S508
P-Site Sequence:	REVISWGSGRQNSPR
UniProt:	Q99700
Intern. Prot. ID:	IPI00783008

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ATXN2	Q99700	S508	REVISWGSGRQNSPR	100 / 9 AA	140
Phosphosite 1:	F12	P00748	S588	QGIISWGSGCGDRNK	66 / 9 AA	68
Phosphosite 2:	ZNF570	Q96NI8	S170	QEYKSWGSFHQNPLL	75 / 8 AA	62
Phosphosite 3:	NEU4	Q8WWR8	S138	DAGLSWGSARDLTEE	62 / 8 AA	52
Phosphosite 4:	K23	Q9C075	S61	PPGGSWGSGRSSPLL	100 / 6 AA	48
Phosphosite 5:	LTB4R2	Q9NPC1	S246	LRGARWGSGRHGARV	83 / 6 AA	42
Phosphosite 6:	RPL4	P36578	T69	TSAESWGTGRAVARI	83 / 6 AA	48
Phosphosite 7:	TATDN2	Q93075	S73	SRRLSWGSSRRRNNS	62 / 8 AA	85
Phosphosite 8:	MLL2	O14686	S4725	LLTIQKGSGRQEDER	66 / 9 AA	564
Phosphosite 9:	SMG6	Q86US8	S491	SPTSWGDSRQAQASY	71 / 7 AA	160
Phosphosite 10:	ARHGAP21	Q5T5U3	S1398	KSKGSWGSGKDQYSR	71 / 7 AA	217
Phosphosite 11:	E2A	P15923	S61	PSSGSWGSGDQSSSS	75 / 8 AA	68
Phosphosite 12:	ABCC9	O60706	S683	NGYFSWGSGLATLSN	83 / 6 AA	174
Phosphosite 13:	TSEN54	Q7Z6J9	S281	GVGCSWESGRAENGV	71 / 7 AA	59
Phosphosite 14:	TATDN2	Q93075	S74	RRLSWGSSRRRNNSS	71 / 7 AA	85
Phosphosite 15:	UGCG	Q16739	T377	DPTISWRTGRYRLRC	71 / 7 AA	45
Phosphosite 16:	ZMYND15	Q9H091	S235	QGTASWGSGTKDLAP	62 / 8 AA	77
Phosphosite 17:	HLTF	Q14527	S188	NLESGWGSGRAGPSY	100 / 5 AA	114
Phosphosite 18:	TNRC6B	Q9UPQ9	S860	PSNSSWSSGPQPATP	71 / 7 AA	194
Phosphosite 19:	ATP2A1	O14983	T554	AVIKEWGTGRDTLRC	57 / 7 AA	110
Phosphosite 20:	TNRC6B	Q9UPQ9	S859	RPSNSSWSSGPQPAT	71 / 7 AA	194