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:	S527
P-Site Sequence:	QPPQQQPSPQPQQQV
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	S527	QPPQQQPSPQPQQQV	100 / 9 AA	89
Phosphosite 1:	HCN1	O60741	S752	QTQPQQPSPQPQTPG	100 / 8 AA	99
Phosphosite 2:	PAX9	P55771	T149	SYKQHQPTPQPALPY	75 / 8 AA	36
Phosphosite 3:	G3BP2	Q9UN86	S163	EQEERQPSPEPVQEN	62 / 8 AA	54
Phosphosite 4:	SPDYE4	A6NLX3	S43	SAPWIDPSPQPQSLG	85 / 7 AA	28
Phosphosite 5:	NEDD4	P46934	S610	LQQQQEPSPLPPGWE	75 / 8 AA	149
Phosphosite 6:	BPTF	Q12830	S2402	QPQTAQPSAQPQPQT	85 / 7 AA	338
Phosphosite 7:	GYG2	O15488	S399	CDPLSQPSPQPADFT	100 / 6 AA	55
Phosphosite 8:	CSF2RB	P32927	S568	LPTEQPPSPQPGPPA	75 / 8 AA	97
Phosphosite 9:	DENND4C	Q5VZ89	S732	VAKHSQPSPEPHSPT	71 / 7 AA	187
Phosphosite 10:	DENND4C	Q5VZ89	S679	VAKHSQPSPEPHSPT	71 / 7 AA	187
Phosphosite 11:	ZSCAN20	P17040	S12	LELQAQASPQPEPEE	66 / 9 AA	118
Phosphosite 12:	CIZ1	Q9ULV3	S442	VHTQAQPSVQPQEHP	77 / 9 AA	100
Phosphosite 13:	SRRM2	Q9UQ35	S2702	PVERRRPSPQPSPRD	62 / 8 AA	300
Phosphosite 14:	C14orf43	Q6PJG2	S282	YSMPQQPSQQPQDFG	87 / 8 AA	115
Phosphosite 15:	MKL1	Q969V6	S691	GSPQQPSSQPGSPAP	85 / 7 AA	99
Phosphosite 16:	FOXC2	Q99958	T411	PAPQPQPTPQPGAAA	75 / 8 AA	54
Phosphosite 17:	PDHX	O00330	S162	KPSEPRPSPEPQISI	55 / 9 AA	54
Phosphosite 18:	EAF1	Q96JC9	S165	SPLKDNPSPEPQLDD	55 / 9 AA	29
Phosphosite 19:	MED15	Q96RN5	S455	MPPPPQPSPQPGQPS	100 / 6 AA	87
Phosphosite 20:	MKL1	Q969V6	S690	SGSPQQPSSQPGSPA	85 / 7 AA	99