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:	S253
P-Site Sequence:	QYVHISSSPQNTGRT
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	S253	QYVHISSSPQNTGRT	100 / 9 AA	87
Phosphosite 1:	ATXN1	P54253	S252	NQYVHISSSPQNTGR	100 / 8 AA	87
Phosphosite 2:	REST	Q13127	S922	ESTHISSSGQNLNTP	87 / 8 AA	122
Phosphosite 3:	APC	P25054	S1214	KTEHMSSSSENTSTP	66 / 9 AA	312
Phosphosite 4:	TTC28	Q96AY4	S2302	YSAHISKSPRNMSPS	66 / 9 AA	271
Phosphosite 5:	C16orf70	Q9BSU1	S373	VVLHRSSSPNNTNPF	77 / 9 AA	48
Phosphosite 6:	INF2	Q27J81	S372	DQSQRGSSPQNTTTP	66 / 9 AA	136
Phosphosite 7:	GRB7	Q14451	S13	SPPHLSSSPEDLCPA	62 / 8 AA	60
Phosphosite 8:	TMPO	P42167	S168	PLPTISSSAENTRQN	75 / 8 AA	51
Phosphosite 9:	TMPO	P42166	S168	PLPTISSSAENTRQN	75 / 8 AA	75
Phosphosite 10:	Kv2.2	Q92953	S855	EGSVGSSSPQDTGHN	85 / 7 AA	103
Phosphosite 11:	C13orf23	Q86XN7	T597	SDLHISSTPAATTLP	66 / 9 AA	96
Phosphosite 12:	GRB7	Q14451	S12	LSPPHLSSSPEDLCP	62 / 8 AA	60
Phosphosite 13:	FAM123B	Q5JTC6	S210	RPHEHVSSAPQVPCF	71 / 7 AA	124
Phosphosite 14:	LAMA3	Q16787	S2879	SKRLKHISSSRQSLR	85 / 7 AA	367
Phosphosite 15:	LAMA3	Q16787	S2881	RLKHISSSRQSLRLG	75 / 8 AA	367
Phosphosite 16:	LAMA3	Q16787	S2880	KRLKHISSSRQSLRL	75 / 8 AA	367
Phosphosite 17:	UBAP2L	Q14157	S609	YPSSISSSPQKDLTQ	85 / 7 AA	115
Phosphosite 18:	UBAP2L	Q14157	S608	RYPSSISSSPQKDLT	85 / 7 AA	115
Phosphosite 19:	LRRC16B	Q8ND23	S926	VSAFISGSPQDMESQ	55 / 9 AA	150
Phosphosite 20:	CATSPER3	Q86XQ3	S16	HSRVISSSPVDTTSV	75 / 8 AA	46