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:	S439
P-Site Sequence:	TVIQTTHSASEPLPV
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	S439	TVIQTTHSASEPLPV	100 / 9 AA	87
Phosphosite 1:	ATXN1	P54253	T437	PHTVIQTTHSASEPL	100 / 7 AA	87
Phosphosite 2:	CEP164	Q9UPV0	S233	SDNQSVHSSSEPLRN	66 / 9 AA	164
Phosphosite 3:	ZNF44	P15621	S519	QSHETTHSEEEPYEC	66 / 9 AA	77
Phosphosite 4:	AUTS2	Q8WXX7	S1003	APQTHRASEPPPPNS	85 / 7 AA	139
Phosphosite 5:	PDE4D	Q08499	S299	ETLQTRHSVSEMASN	75 / 8 AA	91
Phosphosite 6:	ZNF443	Q9Y2A4	S332	QRHETTHSAEKPYAC	66 / 9 AA	78
Phosphosite 7:	ZNF563	Q8TA94	S304	RRHETTHSAEKPYEC	66 / 9 AA	55
Phosphosite 8:	NOB1P	Q9ULX3	S145	QETEKGHSACEPENL	55 / 9 AA	47
Phosphosite 9:	JAG1	P78504	S1107	GSHTHSASEDNTTNN	100 / 6 AA	134
Phosphosite 10:	UBN2	Q6ZU65	T827	KLDSTQTTHSSSLIA	85 / 7 AA	146
Phosphosite 11:	GEMIN4	P57678	S536	TFNQLTQSASEQGLA	66 / 9 AA	120
Phosphosite 12:	JAG1	P78504	S1105	KPGSHTHSASEDNTT	100 / 6 AA	134
Phosphosite 13:	GLB1L	Q6UWU2	S646	SADTLSASEPMELSG	85 / 7 AA	74
Phosphosite 14:	SMTNL1	A8MU46	S267	ASGQTSPSASESSPS	75 / 8 AA	49
Phosphosite 15:	GLB1L	Q6UWU2	S644	SLSADTLSASEPMEL	85 / 7 AA	74
Phosphosite 16:	CEP164	Q9UPV0	S234	DNQSVHSSSEPLRNL	62 / 8 AA	164
Phosphosite 17:	Raf1	P04049	S619	SLPKINRSASEPSLH	55 / 9 AA	73
Phosphosite 18:	OGFOD1	Q8N543	S395	TEEGTSHSPPEPENN	62 / 8 AA	63
Phosphosite 19:	FAM65A	Q6ZS17	S565	SAITTTHSAPSPLTH	75 / 8 AA	132
Phosphosite 20:	CEP164	Q9UPV0	S235	NQSVHSSSEPLRNLH	71 / 7 AA	164