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:	S621
P-Site Sequence:	TVERIEDSHSPGVAV
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	S621	TVERIEDSHSPGVAV	100 / 9 AA	87
Phosphosite 1:	RLF	Q13129	S1626	ESERTEHSHSPGDSS	77 / 9 AA	218
Phosphosite 2:	ATXN1	P54253	S623	ERIEDSHSPGVAVIQ	100 / 7 AA	87
Phosphosite 3:	ASXL1	Q8IXJ9	T1194	GLARIEATQAPGAPQ	55 / 9 AA	165
Phosphosite 4:	CCDC62	Q6P9F0	S577	ELIAIQDSHSLGSSK	75 / 8 AA	78
Phosphosite 5:	ATR	Q13535	S627	LSCRISDSYSPQAQS	75 / 8 AA	301
Phosphosite 6:	VPS13A	Q96RL7	S2438	SLSEIEDSLPPGKAV	75 / 8 AA	360
Phosphosite 7:	VWA5B1	Q5TIE3	S764	VRERTSDSRSPGDLE	66 / 9 AA	134
Phosphosite 8:	ATG2B	Q96BY7	S733	TEVFLDDSHSPANCR	62 / 8 AA	233
Phosphosite 9:	ZFP91	Q96JP5	S565	TEVLIEDSDSAGP__	75 / 8 AA	63
Phosphosite 10:	EPB41L4A	Q9HCS5	S592	DPIRITHSHSPKLY_	75 / 8 AA	69
Phosphosite 11:	RUFY4	Q6ZNE9	S216	ENVQIEDSHTSQAIC	62 / 8 AA	64
Phosphosite 12:	USP16	Q9Y5T5	S598	NIEILNDSHTPGTKV	62 / 8 AA	94
Phosphosite 13:	Cas-L	Q14511	S495	ELQRVEDSHQILSQT	83 / 6 AA	93
Phosphosite 14:	EVI2B	P34910	S301	SSENIEDSNNPKTEK	71 / 7 AA	49
Phosphosite 15:	USP42	Q9H9J4	S634	GIGTIVSSHSPGQDA	75 / 8 AA	146
Phosphosite 16:	RLF	Q13129	S1628	ERTEHSHSPGDSSAP	85 / 7 AA	218
Phosphosite 17:	USP16	Q9Y5T5	T600	EILNDSHTPGTKVYE	71 / 7 AA	94
Phosphosite 18:	ATP2B2	Q01814	S1178	PEFRIEDSQPHIPLI	71 / 7 AA	137
Phosphosite 19:	ATG2B	Q96BY7	S735	VFLDDSHSPANCRIS	71 / 7 AA	233
Phosphosite 20:	MUC16	Q8WXI7	T222	TTVTDSHTPGRTNPS	83 / 6 AA	2353