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:	S52
P-Site Sequence:	AAPGPYPSAAPPPPG
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	S52	AAPGPYPSAAPPPPG	100 / 9 AA	140
Phosphosite 1:	ATXN2	Q99700	Y50	GGAAPGPYPSAAPPP	100 / 7 AA	140
Phosphosite 2:	CREB3L2	Q70SY1	S403	QGYGPYPSATKMALP	85 / 7 AA	57
Phosphosite 3:	CREB3L2	Q70SY1	Y401	FFQGYGPYPSATKMA	85 / 7 AA	57
Phosphosite 4:	FBLN5	Q9UBX5	Y92	STPYSGPYPAAAPPL	85 / 7 AA	50
Phosphosite 5:	NOLC1	Q14978	S291	NKPGPYSSVPPPSAP	66 / 9 AA	74
Phosphosite 6:	TFAP2B	Q92481	S53	VSQGPYSSAPPLSHT	75 / 8 AA	50
Phosphosite 7:	TFAP2B	Q92481	S52	SVSQGPYSSAPPLSH	75 / 8 AA	50
Phosphosite 8:	ATP8B3	O60423	S19	TRAGPEPSPAPPGPG	77 / 9 AA	148
Phosphosite 9:	PSD4	Q8NDX1	S361	DRLGPAPSAAPCVDE	87 / 8 AA	116
Phosphosite 10:	ENaC beta	P51168	Y604	RSPNTGPYPSEQALP	83 / 6 AA	73
Phosphosite 11:	ENaC beta	P51168	S606	PNTGPYPSEQALPIP	83 / 6 AA	73
Phosphosite 12:	TGM3	Q08188	S65	VSTGPYPSESAMTKA	71 / 7 AA	77
Phosphosite 13:	DOCK3	Q8IZD9	S1172	QLFGPYPSLLEKVEQ	100 / 5 AA	233
Phosphosite 14:	MGAT1	P26572	T88	SQRGRVPTAAPPAQP	66 / 9 AA	51
Phosphosite 15:	ANXA7	P20073	S36	SGQYPYPSGFPPMGG	75 / 8 AA	53
Phosphosite 16:	SNTN	A6NMZ2	S22	LEGDPNPSAAPTSTC	75 / 8 AA	16
Phosphosite 17:	TSG101	Q99816	S176	GGISPYPSGYPPNPS	66 / 9 AA	44
Phosphosite 18:	HGS	O14964	Y619	PAPAAGPYPSMPSTA	100 / 5 AA	86
Phosphosite 19:	CACNA1S	Q13698	Y736	VNEVKDPYPSADFPG	71 / 7 AA	212
Phosphosite 20:	KIAA0652	O75143	S222	FVDRPYPSSSPMHPC	71 / 7 AA	57