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:	S581
P-Site Sequence:	SGPVYPSSLMPQPAQ
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	S581	SGPVYPSSLMPQPAQ	100 / 9 AA	89
Phosphosite 1:	ARPP-21	Q9UBL0	S580	PSGPVYPSSLMPQPA	100 / 8 AA	89
Phosphosite 2:	PTPN22	Q9Y2R2	S565	DGTVFPSSLLPTSST	75 / 8 AA	92
Phosphosite 3:	PTPN22	Q9Y2R2	S564	QDGTVFPSSLLPTSS	75 / 8 AA	92
Phosphosite 4:	PUM1	Q14671	S472	PWGVYPASLFQQQAA	66 / 9 AA	126
Phosphosite 5:	INTS2	Q9H0H0	S682	KPKSYSSSLMDQIPI	75 / 8 AA	134
Phosphosite 6:	NF-E2	Q16621	S183	YPVEYPYSLMPNSLA	85 / 7 AA	41
Phosphosite 7:	NF-E2	Q16621	Y182	MYPVEYPYSLMPNSL	85 / 7 AA	41
Phosphosite 8:	CAND1	Q86VP6	S725	TLAKVYPSSLSKISG	100 / 6 AA	136
Phosphosite 9:	ASL	P04424	S282	DAYSTGSSLMPQKKN	100 / 6 AA	52
Phosphosite 10:	CAND1	Q86VP6	S726	LAKVYPSSLSKISGS	100 / 6 AA	136
Phosphosite 11:	UBQLN3	Q9H347	S156	GFPDQPSSLMRQHVS	85 / 7 AA	71
Phosphosite 12:	PRIC285	Q9BYK8	S400	AEVPVPSSLMPDTDQ	85 / 7 AA	295
Phosphosite 13:	ARPP-21	Q9UBL0	Y578	EPPSGPVYPSSLMPQ	100 / 6 AA	89
Phosphosite 14:	ZNF763	Q0D2J5	S354	KAFTYPSSLRRHERT	55 / 9 AA	46
Phosphosite 15:	CLYBL	Q8N0X4	S131	LQSRVLPSSLMLPKV	85 / 7 AA	37
Phosphosite 16:	ZNF77	Q15935	S366	KAFRYPSSLRAHMRM	62 / 8 AA	62
Phosphosite 17:	CLYBL	Q8N0X4	S132	QSRVLPSSLMLPKVE	85 / 7 AA	37
Phosphosite 18:	ZNF167	Q9P0L1	S677	KVFSYSSSLMVHQRT	62 / 8 AA	85
Phosphosite 19:	UGT2B28	Q9BY64	T79	LKLEVYPTSLTKTEF	83 / 6 AA	61
Phosphosite 20:	UGT2B28	Q9BY64	S80	KLEVYPTSLTKTEFE	83 / 6 AA	61