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:	S421
P-Site Sequence:	SSAGSSGSLSRTHPP
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	S421	SSAGSSGSLSRTHPP	100 / 9 AA	89
Phosphosite 1:	ARPP-21	Q9UBL0	S423	AGSSGSLSRTHPPLQ	100 / 7 AA	89
Phosphosite 2:	NOTCH2	Q04721	S2240	PGSGSAGSLSRLHPV	87 / 8 AA	265
Phosphosite 3:	STYX	Q8WUJ0	S201	VHSGTTGSLKRTHEE	66 / 9 AA	25
Phosphosite 4:	SOAT2	O75908	S89	LPPPPPGSLSRTQEP	75 / 8 AA	60
Phosphosite 5:	KCNH2	Q12809	S266	DASGSSCSLARTRSR	77 / 9 AA	127
Phosphosite 6:	SOAT2	O75908	S91	PPPPGSLSRTQEPSL	85 / 7 AA	60
Phosphosite 7:	MED1	Q15648	S1254	SGLGSSGSLSQKTPP	77 / 9 AA	168
Phosphosite 8:	STK33	Q9BYT3	S508	PAKSGALSRTKKKL_	85 / 7 AA	58
Phosphosite 9:	PDDC1	Q8NB37	S106	TDLASSGSLARILQH	66 / 9 AA	23
Phosphosite 10:	APBA3	O96018	S46	PMPGGPGSLSRMELD	66 / 9 AA	61
Phosphosite 11:	ZCCHC6	Q5VYS8	S1473	CPQFKGSSGSLSSKY	100 / 7 AA	171
Phosphosite 12:	WDR47	O94967	S581	PLGDSPGSLSRSKGE	66 / 9 AA	102
Phosphosite 13:	NIPBL	Q6KC79	S2684	RGGGTSGSLRRSKRN	66 / 9 AA	316
Phosphosite 14:	KIAA1486	Q9P242	S464	YDAVHSGSLSRSSPS	85 / 7 AA	71
Phosphosite 15:	ARPP-21	Q9UBL0	S419	SSSSAGSSGSLSRTH	100 / 7 AA	89
Phosphosite 16:	BICC1	Q9H694	S797	TYEGSSMSLSRSNSR	77 / 9 AA	105
Phosphosite 17:	ZCCHC6	Q5VYS8	S1475	QFKGSSGSLSSKYMT	100 / 7 AA	171
Phosphosite 18:	CEBPB	P17676	S221	QAVPSGSSGSLSTSS	100 / 7 AA	36
Phosphosite 19:	CEBPB	P17676	S223	VPSGSSGSLSTSSSS	100 / 7 AA	36
Phosphosite 20:	PHRF1	Q9P1Y6	S549	QRNSGSLSRGEEGFK	100 / 6 AA	179