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:	ATXN1
Human P-Site:	S298
P-Site Sequence:	MQYADSGSHFVPREA
UniProt:	P54253
Intern. Prot. ID:	IPI00432008

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ATXN1	P54253	S298	MQYADSGSHFVPREA	100 / 9 AA	87
Phosphosite 1:	ATXN1	P54253	S296	VVMQYADSGSHFVPR	100 / 7 AA	87
Phosphosite 2:	REV3	O60673	S1664	FCSFYSGSQFVPADQ	85 / 7 AA	353
Phosphosite 3:	TP53BP1	Q12888	S36	SQVLEDDSGSHFSML	100 / 6 AA	214
Phosphosite 4:	CUTA	O60888	S61	SPASDSGSGYVPGSV	66 / 9 AA	19
Phosphosite 5:	NAF1	Q96HR8	S488	PSSGDSNSHFGPYY_	66 / 9 AA	54
Phosphosite 6:	TP53BP1	Q12888	S38	VLEDDSGSHFSMLSR	100 / 6 AA	214
Phosphosite 7:	TP53BP1	Q12888	S625	DLTCDSGSQAVPSPA	75 / 8 AA	214
Phosphosite 8:	LOXL1	Q08397	S59	YSLLNSGSEYVPAGP	62 / 8 AA	63
Phosphosite 9:	FGF12	P61328	S196	VKKTKPSSHFVPKPI	55 / 9 AA	27
Phosphosite 10:	TBL1X	O60907	S38	LRGREGGSHFINTSS	57 / 7 AA	62
Phosphosite 11:	ZNF569	Q5MCW4	S179	KSYGNSSSHFVITPF	62 / 8 AA	80
Phosphosite 12:	TRY6	Q8NHM4	S45	QVSLNSGSHFCGGSL	71 / 7 AA	27
Phosphosite 13:	PRSS3	P35030	S102	QVSLNSGSHFCGGSL	71 / 7 AA	33
Phosphosite 14:	TRY6	Q8NHM4	S43	PYQVSLNSGSHFCGG	83 / 6 AA	27
Phosphosite 15:	PRSS3	P35030	S100	PYQVSLNSGSHFCGG	83 / 6 AA	33
Phosphosite 16:	FCGR3A	P08637	S169	ATLKDSGSYFCRGLF	62 / 8 AA	29
Phosphosite 17:	FCGR3B	O75015	S169	ATLKDSGSYFCRGLV	62 / 8 AA	26
Phosphosite 18:	NHS	Q6T4R5	S754	SDKADTSSHFSVDTE	71 / 7 AA	177
Phosphosite 19:	NHS	Q6T4R5	S753	PSDKADTSSHFSVDT	71 / 7 AA	177
Phosphosite 20:	NHS	Q6T4R5	T752	SPSDKADTSSHFSVD	71 / 7 AA	177