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:	Y325
P-Site Sequence:	SNICNETYKKRQLFR
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	Y325	SNICNETYKKRQLFR	100 / 9 AA	89
Phosphosite 1:	CCNA1	P78396	T320	YITDDTYTKRQLLKM	62 / 8 AA	52
Phosphosite 2:	CCNA1	P78396	Y319	VYITDDTYTKRQLLK	62 / 8 AA	52
Phosphosite 3:	VPS8	Q8N3P4	Y1265	CSICLQQYKRRQEMA	55 / 9 AA	162
Phosphosite 4:	TIMELESS	Q9UNS1	Y944	VAERRELYKKRQKKL	85 / 7 AA	139
Phosphosite 5:	MYO9B	Q13459	Y416	LYLGNVTYKKRATGR	85 / 7 AA	244
Phosphosite 6:	HERC2	O95714	Y2551	VVTESQTYKKRADFL	71 / 7 AA	527
Phosphosite 7:	KIDINS220	Q9ULH0	Y904	ALNRRDTYRRRQMQR	57 / 7 AA	197
Phosphosite 8:	PPFIBP2	Q8ND30	Y107	SAASNETYQERLARL	62 / 8 AA	98
Phosphosite 9:	L1TD1	Q5T7N2	Y24	KKKENITYMKREQLT	62 / 8 AA	99
Phosphosite 10:	CTAGE1	Q96RT6	Y401	ATEELETYRKRAKDL	83 / 6 AA	85
Phosphosite 11:	CTAGE5	O15320	Y431	ATEELETYRKRAKDL	83 / 6 AA	91
Phosphosite 12:	CARD8	Q9Y2G2	Y51	CFEIEEDYKNRQFLG	55 / 9 AA	49
Phosphosite 13:	CTAGE1	Q96RT6	T400	HATEELETYRKRAKD	83 / 6 AA	85
Phosphosite 14:	CTAGE5	O15320	T430	HATEELETYRKRAKD	83 / 6 AA	91
Phosphosite 15:	PTPRM	P28827	Y861	SLVQSHTYKKREPAD	83 / 6 AA	164
Phosphosite 16:	CAPN2	P17655	Y353	DTLTSDTYKKWKLTK	50 / 8 AA	80
Phosphosite 17:	PPT1	P50897	S214	QERGINESYKKNLMA	71 / 7 AA	34
Phosphosite 18:	CARD10	Q9BWT7	Y739	LRLVDSAYKRRQEWF	44 / 9 AA	116
Phosphosite 19:	CCNA1	P78396	T318	FVYITDDTYTKRQLL	57 / 7 AA	52
Phosphosite 20:	SLC2A7	Q6PXP3	Y60	KSFYNETYFERHATF	55 / 9 AA	56