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:	ARPP-21
Human P-Site:	Y646
P-Site Sequence:	YYYPSGQYPTSTTQQ
UniProt:	Q9UBL0
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ARPP-21	Q9UBL0	Y646	YYYPSGQYPTSTTQQ	100 / 9 AA	89
Phosphosite 1:	POLL	Q9UGP5	Y219	EALISGHYPTSLEGD	85 / 7 AA	63
Phosphosite 2:	R3HDM2	Q9Y2K5	Y526	SYYPPGQYPNSNQQY	66 / 9 AA	107
Phosphosite 3:	HOXB9	P17482	Y33	AKFPSGQYASSRQPG	75 / 8 AA	28
Phosphosite 4:	ANXA7	P20073	S29	QESSFPPSGQYPYPS	100 / 6 AA	53
Phosphosite 5:	PLEKHG3	A1L390	S488	SRRPSGRSPTSTEKR	77 / 9 AA	134
Phosphosite 6:	ANXA7	P20073	Y32	SFPPSGQYPYPSGFP	100 / 6 AA	53
Phosphosite 7:	MAN1A2	O60476	Y390	RTGRWGQYHTSVGGL	55 / 9 AA	73
Phosphosite 8:	ARPP-21	Q9UBL0	S649	PSGQYPTSTTQQYRP	100 / 6 AA	89
Phosphosite 9:	RAI17	Q9ULJ6	Y459	SQPSSGQYPPPTVNM	75 / 8 AA	115
Phosphosite 10:	GENX-3414	O95210	S117	NSREHVPSGQFPDTE	83 / 6 AA	39
Phosphosite 11:	SHANK3	Q9BYB0	Y1579	SVRPSGRYPVARRAP	62 / 8 AA	186
Phosphosite 12:	KRT72	Q14CN4	Y442	ECRMSGEYPNSVSIS	62 / 8 AA	56
Phosphosite 13:	AIM1L	Q8N1P7	Y91	YILEPGEYPTSEAWG	83 / 6 AA	69
Phosphosite 14:	LYPD3	O95274	Y312	DRSNSGQYPAKGGPQ	83 / 6 AA	36
Phosphosite 15:	MAPK1IP1L	Q8NDC0	Y161	APGMGGQYPTPNMPY	83 / 6 AA	24
Phosphosite 16:	RBM26	Q5T8P6	Y246	PSISSGHYPVPTLSS	62 / 8 AA	114
Phosphosite 17:	SHANK3	Q9BYB0	S1576	ASYSVRPSGRYPVAR	83 / 6 AA	186
Phosphosite 18:	BAZ2B	Q9UIF8	Y2119	EKLSSGQYPNLETFA	83 / 6 AA	220
Phosphosite 19:	SMG6	Q86US8	Y554	YPTPSGQYVCSPLPT	75 / 8 AA	160
Phosphosite 20:	MAPK1IP1L	Q8NDC0	T163	GMGGQYPTPNMPYPS	71 / 7 AA	24