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:	S539
P-Site Sequence:	TSDFNPNSGSDQRVV
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	S539	TSDFNPNSGSDQRVV	100 / 9 AA	140
Phosphosite 1:	ATXN2	Q99700	S541	DFNPNSGSDQRVVNG	100 / 7 AA	140
Phosphosite 2:	MPHOSPH8	Q99549	S136	NDIFEANSDSDQQSE	66 / 9 AA	97
Phosphosite 3:	GBA3	Q9H227	S236	LEPADPNSVSDQEAA	75 / 8 AA	54
Phosphosite 4:	FAM35A	Q86V20	S465	NIKFGPNSGSKVPLA	85 / 7 AA	94
Phosphosite 5:	FAM35B	A6NDK8	S464	NIKFGPNSGSKVPLA	85 / 7 AA	94
Phosphosite 6:	GBA3	Q9H227	S238	PADPNSVSDQEAAKR	85 / 7 AA	54
Phosphosite 7:	ARSG	Q96EG1	S411	RVLFHPNSGAAGEFG	71 / 7 AA	57
Phosphosite 8:	GCDH	Q92947	S184	FGLTEPNSGSDPSSM	85 / 7 AA	48
Phosphosite 9:	GCDH	Q92947	S186	LTEPNSGSDPSSMET	85 / 7 AA	48
Phosphosite 10:	Ku80	P13010	S69	DGTDNPLSGGDQYQN	75 / 8 AA	83
Phosphosite 11:	DGK-Z	Q13574	S493	LVFVNPKSGGNQGAK	62 / 8 AA	124
Phosphosite 12:	DGK-I	O75912	S385	LVFVNPKSGGNQGTK	62 / 8 AA	117
Phosphosite 13:	RANBP1	P43487	S116	ELKPNAGSDRAWVWN	71 / 7 AA	23
Phosphosite 14:	TNRC6A	Q8NDV7	S467	MTSSLPNSGSVQNNE	85 / 7 AA	210
Phosphosite 15:	FZD10	Q9ULW2	S155	MEAPNNGSDEPTRGS	71 / 7 AA	65
Phosphosite 16:	RanBP2	P49792	S1260	KLTPNAGSDRSFVWH	71 / 7 AA	358
Phosphosite 17:	CSF2RB	P32927	T720	SSADLVFTPNSGASS	83 / 6 AA	97
Phosphosite 18:	OSBPL10	Q9BXB5	S370	EPEPNSGSELVLSED	83 / 6 AA	84
Phosphosite 19:	ZC3H18	Q86VM9	S32	DDDILRDSGSDQDLD	55 / 9 AA	106
Phosphosite 20:	SPEN	Q96T58	S3619	INVPNPGSNQPAYVL	71 / 7 AA	402