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:	ATXN2
Human P-Site:	S642
P-Site Sequence:	RVSAGRGSISSGLEF
UniProt:	Q99700
Intern. Prot. ID:	IPI00783008

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ATXN2	Q99700	S642	RVSAGRGSISSGLEF	100 / 9 AA	140
Phosphosite 1:	Polycystin 2	Q13563	S831	SRRRGSISSGVSYEE	100 / 7 AA	110
Phosphosite 2:	PLEKHN1	Q494U1	S394	VMGSGRGSLSSGGQT	77 / 9 AA	72
Phosphosite 3:	Polycystin 2	Q13563	S829	HSSRRRGSISSGVSY	100 / 7 AA	110
Phosphosite 4:	APC	P25054	S2328	IQSPGRNSISPGRNG	66 / 9 AA	312
Phosphosite 5:	FHOD3	Q2V2M9	S761	SGDLGRGSISPDAEP	75 / 8 AA	159
Phosphosite 6:	REXO4	Q9GZR2	S131	DQEASRGSVPSGSKM	66 / 9 AA	47
Phosphosite 7:	MLTK	Q9NYL2	S685	RNKYGRGSISLNSSP	100 / 6 AA	91
Phosphosite 8:	SALL2	Q9Y467	S788	DSLAGRGSESGGEKA	77 / 9 AA	105
Phosphosite 9:	RGPR-p117	Q96JE7	S985	GGGEGRGSASSGGAA	77 / 9 AA	117
Phosphosite 10:	CPNE1	Q99829	T126	GKPAGRGTITVSAQE	71 / 7 AA	59
Phosphosite 11:	MIPEP	Q99797	S26	PRRAGRGSLEAGIRA	66 / 9 AA	81
Phosphosite 12:	POM121L2	Q96KW2	S895	AFSLGRGSISARKTM	85 / 7 AA	103
Phosphosite 13:	SMCR8	Q8TEV9	S465	LDMDMKGSISSGESI	85 / 7 AA	105
Phosphosite 14:	SMCR8	Q8TEV9	S467	MDMKGSISSGESIEV	85 / 7 AA	105
Phosphosite 15:	TTN	Q8WZ42	S1540	QNRAGRSSISVILTV	85 / 7 AA	3816
Phosphosite 16:	TTN	Q8WZ42	S1539	AQNRAGRSSISVILT	85 / 7 AA	3816
Phosphosite 17:	TCTEX1D1	Q8N7M0	S20	HSWKKRGSISSLSNH	100 / 6 AA	21
Phosphosite 18:	RASGRP4	Q8TDF6	T485	YDPEGRGTISQEDFE	71 / 7 AA	75
Phosphosite 19:	PLEKHN1	Q494U1	S396	GSGRGSLSSGGQTSW	85 / 7 AA	72
Phosphosite 20:	PHIP	Q8WWQ0	S676	RLSRGSISSTSEVHS	100 / 6 AA	207