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:	S99
P-Site Sequence:	LQLSSFSSLQEEDKS
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	S99	LQLSSFSSLQEEDKS	100 / 9 AA	89
Phosphosite 1:	RUSC1	Q9BVN2	S615	QLELWFSSLQEDAGL	75 / 8 AA	96
Phosphosite 2:	Hck	P08631	S217	ISPRSTFSTLQELVD	75 / 8 AA	60
Phosphosite 3:	Hck	P08631	T218	SPRSTFSTLQELVDH	75 / 8 AA	60
Phosphosite 4:	PIP5K1B	O14986	S448	TEGQSFSSLDEEALG	87 / 8 AA	61
Phosphosite 5:	ANK1	P16157	S1516	SQMNGYSSLQDELLS	55 / 9 AA	206
Phosphosite 6:	MAST4	O15021	S2113	EKLSSFPSLQKDGAK	66 / 9 AA	284
Phosphosite 7:	SLC4A1AP	Q9BWU0	S130	PDCGDFRSLQEEQSR	66 / 9 AA	89
Phosphosite 8:	ZNF699	Q32M78	S135	RNDSWFSSLHENQES	66 / 9 AA	74
Phosphosite 9:	MLK2	Q02779	S375	MPLESFHSLQEDWKL	75 / 8 AA	104
Phosphosite 10:	CCDC30	Q5VVM6	S726	GLVESFASLQETEEI	85 / 7 AA	91
Phosphosite 11:	RUSC1	Q9BVN2	S614	KQLELWFSSLQEDAG	85 / 7 AA	96
Phosphosite 12:	CMYA3	A4UGR9	S2717	KLPQPYNSLQEEKCL	62 / 8 AA	382
Phosphosite 13:	SMCR7	Q96C03	S430	PSVNLFSSLREEEID	85 / 7 AA	49
Phosphosite 14:	CENPF	P49454	S2334	KLLSSFKSLLEEKEQ	77 / 9 AA	368
Phosphosite 15:	WDR65	Q96MR6	S205	IMRKKFSSLQKEIEE	85 / 7 AA	78
Phosphosite 16:	CCPG1	Q9ULG6	S323	KEEKALSSLQEELNK	75 / 8 AA	87
Phosphosite 17:	FANCM	Q8IYD8	S712	LPQVQFSSLQNEENK	85 / 7 AA	232
Phosphosite 18:	KIF3B	O15066	S529	ELKETYSSLQQEVDI	62 / 8 AA	85
Phosphosite 19:	NDEL1	Q9GZM8	S11	EDIPDFSSLKEETAY	85 / 7 AA	38
Phosphosite 20:	FAM175A	Q6UWZ7	S221	KINEMYASLQEELKS	71 / 7 AA	47