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:	S678
P-Site Sequence:	GTWSSVVSGVPRLSP
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	S678	GTWSSVVSGVPRLSP	100 / 9 AA	140
Phosphosite 1:	HUNK	P57058	S42	SFLPAWVSGVPRERL	100 / 6 AA	80
Phosphosite 2:	SNX26	O14559	S276	QGISSLTSAVPRPRG	66 / 9 AA	137
Phosphosite 3:	KIAA1875	A6NE52	S1369	PSQTSVVSGAPTRAS	75 / 8 AA	180
Phosphosite 4:	GRIN2B	Q13224	S1191	GDKHGVVSGVPAPWE	85 / 7 AA	166
Phosphosite 5:	OTOG	Q6ZRI0	S1911	EGTASMVSVVPRKST	66 / 9 AA	315
Phosphosite 6:	NHS	Q6T4R5	S382	LRRRKTISGIPRRVQ	57 / 7 AA	177
Phosphosite 7:	DAG1	Q14118	S485	TRIRTTTSGVPRGGE	62 / 8 AA	97
Phosphosite 8:	GCN1L1	Q92616	S651	QEALCVISGVPGLKG	71 / 7 AA	293
Phosphosite 9:	TMEM55A	Q8N4L2	S185	KKISSVGSALPRRRC	66 / 9 AA	28
Phosphosite 10:	PPM1J	Q5JR12	T137	VEGRRSVTGVPREPS	83 / 6 AA	55
Phosphosite 11:	OR7G2	Q8NG99	T265	VYISSVVTDSPRKTA	66 / 9 AA	36
Phosphosite 12:	SBF1	O95248	S1250	KYLQAVVSSMPRYAD	62 / 8 AA	208
Phosphosite 13:	BCAN	Q96GW7	S575	ATGGPELSGVPRGES	83 / 6 AA	99
Phosphosite 14:	MGAT1	P26572	S409	GVMDDLKSGVPRAGY	100 / 5 AA	51
Phosphosite 15:	ITGA6	P23229	S317	KDEITFVSGAPRANH	83 / 6 AA	127
Phosphosite 16:	TSBP	Q5SRN2	S328	AQIKKSVSDVPRGQE	83 / 6 AA	62
Phosphosite 17:	K2	P35908	S30	SSGSAVVSGGSRRST	66 / 9 AA	65
Phosphosite 18:	TKTL1	P51854	S564	QVHSLAVSGVPQSGK	83 / 6 AA	65
Phosphosite 19:	SERPINF2	P08697	S376	SEQSLVVSGVQHQST	66 / 9 AA	55
Phosphosite 20:	MAGI1	Q96QZ7	S79	EVQGVRVSGLPRYDV	83 / 6 AA	165