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:	S419
P-Site Sequence:	SSSSAGSSGSLSRTH
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	S419	SSSSAGSSGSLSRTH	100 / 9 AA	89
Phosphosite 1:	ARPP-21	Q9UBL0	S418	ESSSSAGSSGSLSRT	100 / 8 AA	89
Phosphosite 2:	PPP1R13L	Q8WUF5	S339	SLGSAGPSGTLPRSW	66 / 9 AA	89
Phosphosite 3:	MED1	Q15648	S1254	SGLGSSGSLSQKTPP	100 / 7 AA	168
Phosphosite 4:	MLLT6	P55198	S788	LPPQAGSSDSLSTSK	87 / 8 AA	112
Phosphosite 5:	ARPP-21	Q9UBL0	S421	SSAGSSGSLSRTHPP	100 / 7 AA	89
Phosphosite 6:	ZCCHC6	Q5VYS8	S1473	CPQFKGSSGSLSSKY	100 / 7 AA	171
Phosphosite 7:	CEBPB	P17676	S223	VPSGSSGSLSTSSSS	100 / 7 AA	36
Phosphosite 8:	ZCCHC6	Q5VYS8	S1475	QFKGSSGSLSSKYMT	100 / 7 AA	171
Phosphosite 9:	CEBPB	P17676	S221	QAVPSGSSGSLSTSS	100 / 7 AA	36
Phosphosite 10:	DACT1	Q9NYF0	S169	YELSDGASGSLSNSS	77 / 9 AA	90
Phosphosite 11:	AR	P10275	S333	SGSAAAGSSGTLELP	75 / 8 AA	99
Phosphosite 12:	MED1	Q15648	S1252	SSSGLGSSGSLSQKT	100 / 7 AA	168
Phosphosite 13:	TRO	Q12816	S1310	LGTSAGFSGGLSTSD	77 / 9 AA	144
Phosphosite 14:	HPS5	Q9UPZ3	S287	YDHTAGSSQSLSFPK	77 / 9 AA	127
Phosphosite 15:	ITPKB	P27987	S406	SVQSAESSDSLSWSR	77 / 9 AA	102
Phosphosite 16:	CHD8	Q9HCK8	S2440	MQGGSTGSLSLHNTF	85 / 7 AA	291
Phosphosite 17:	SLC4A2	P04920	S446	PRNISAGSLGSLLGH	87 / 8 AA	137
Phosphosite 18:	CHD8	Q9HCK8	T2438	ALMQGGSTGSLSLHN	75 / 8 AA	291
Phosphosite 19:	KIAA1853	A7MD48	S527	YRPSPSSSGSLSSTS	77 / 9 AA	69
Phosphosite 20:	SAMD4	Q9UPU9	S468	ATPSAGASGGLQPHQ	75 / 8 AA	59