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:	S262
P-Site Sequence:	QNTGRTASPPAIPVH
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	S262	QNTGRTASPPAIPVH	100 / 9 AA	87
Phosphosite 1:	ATXN1	P54253	T260	SPQNTGRTASPPAIP	100 / 7 AA	87
Phosphosite 2:	RIZ	Q13029	S643	AKKRRTASPPALPKI	87 / 8 AA	189
Phosphosite 3:	MYO3A	Q8NEV4	S403	IGSKRTASPPHIFAM	87 / 8 AA	186
Phosphosite 4:	ZNF469	Q96JG9	S1418	TEPGRAASPPTLESS	66 / 9 AA	259
Phosphosite 5:	ARHGEF5	Q12774	S897	PASAGRTSWPPATAR	75 / 8 AA	177
Phosphosite 6:	ELL	P55199	S319	GERGRSASPPQKRLQ	85 / 7 AA	68
Phosphosite 7:	KLHDC9	Q8NEP7	T338	GFGEDGRTASPQVCI	85 / 7 AA	38
Phosphosite 8:	ELL	P55199	S317	PPGERGRSASPPQKR	85 / 7 AA	68
Phosphosite 9:	KLHDC9	Q8NEP7	S340	GEDGRTASPQVCILD	66 / 9 AA	38
Phosphosite 10:	KIAA0892	Q9Y6X3	S40	AEHFRTSSPPKIRLC	75 / 8 AA	69
Phosphosite 11:	FSD1	Q9BTV5	S313	DGKGRTASPINSPAR	100 / 6 AA	56
Phosphosite 12:	FSD1	Q9BTV5	T311	EKDGKGRTASPINSP	100 / 6 AA	56
Phosphosite 13:	Grb10	Q13322	S134	DQQFRTSSLPAIPNP	75 / 8 AA	67
Phosphosite 14:	RIZ	Q13029	T641	SEAKKRRTASPPALP	100 / 6 AA	189
Phosphosite 15:	C22orf37	Q8N1L1	T76	LGHGAPRTASPPSAL	100 / 6 AA	18
Phosphosite 16:	PIG38	Q8TC92	S254	EDRLRPPSPPAIMHY	75 / 8 AA	73
Phosphosite 17:	C22orf37	Q8N1L1	S78	HGAPRTASPPSALSH	100 / 6 AA	18
Phosphosite 18:	SLC39A5	Q6ZMH5	S86	PLTGRAASPAADNST	75 / 8 AA	56
Phosphosite 19:	HDAC5	Q9UQL6	S661	QALGRTQSSPAAPGG	75 / 8 AA	122
Phosphosite 20:	SRRM1	Q8IYB3	T614	SPPPKRRTASPPPPP	100 / 6 AA	102