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:	T22
P-Site Sequence:	KKREIPATSRSSEEK
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	T22	KKREIPATSRSSEEK	100 / 9 AA	87
Phosphosite 1:	ATXN1	P54253	S23	KREIPATSRSSEEKA	100 / 8 AA	87
Phosphosite 2:	SIRT7	Q9NRC8	Y333	LGLEIPAYSRWQDPI	75 / 8 AA	45
Phosphosite 3:	C5orf55	Q8N2X6	T52	QTSVIPATSRQAALG	100 / 6 AA	13
Phosphosite 4:	CCDC22	O60826	T318	QVSDVPATSRRPEQV	71 / 7 AA	71
Phosphosite 5:	LTBP4	Q8N2S1	T497	QPRTLPATSRPSAGF	75 / 8 AA	173
Phosphosite 6:	ZNF831	Q5JPB2	S1572	THLEIPASGPSSASS	66 / 9 AA	178
Phosphosite 7:	FLJ40925	Q8N7K9	S167	AGSEIPASSKTQTAA	62 / 8 AA	60
Phosphosite 8:	STRA8	Q7Z7C7	T265	DKSEVPSTSSSSSVL	66 / 9 AA	37
Phosphosite 9:	NSD1	Q96L73	T298	NMLELPGTSSSSTSQ	66 / 9 AA	297
Phosphosite 10:	WDR67	Q96DN5	T813	RDREIAATARDLEMR	71 / 7 AA	124
Phosphosite 11:	CATSPER1	Q8NEC5	T330	SQLSIPHTSRSLIHD	85 / 7 AA	90
Phosphosite 12:	TROAP	Q12815	S602	IEPEIPESSRQEQLE	71 / 7 AA	84
Phosphosite 13:	TROAP	Q12815	S569	SEPEIPESSRQEQLE	71 / 7 AA	84
Phosphosite 14:	POLR2C	P19387	T131	SPRVIPVTSRNRDND	71 / 7 AA	31
Phosphosite 15:	LRP5	O75197	T1524	YSSNIPATARPYRPY	62 / 8 AA	179
Phosphosite 16:	CMYA5	Q8N3K9	T1099	IKPEIPTTSTSVSEY	75 / 8 AA	449
Phosphosite 17:	USP25	Q9UHP3	T504	LSSELPSTSPSSVAA	66 / 9 AA	126
Phosphosite 18:	KIAA1117	Q5JWR5	S594	EDGENPPSSRSSESG	66 / 9 AA	277
Phosphosite 19:	PRTG	Q2VWP7	T526	RPPEISLTSRSPTDI	75 / 8 AA	127
Phosphosite 20:	SORBS1	Q9BX66	S913	EGRIPGTSRQGIFPI	83 / 6 AA	142