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:	T391
P-Site Sequence:	FGGITVLTRGDSTSS
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	T391	FGGITVLTRGDSTSS	100 / 9 AA	89
Phosphosite 1:	R3HDM1	Q15032	T389	FSGISVLTRGDSSGS	88 / 9 AA	121
Phosphosite 2:	GLYCTK	Q8IVS8	S289	RSVKTVLSRADSDPH	75 / 8 AA	55
Phosphosite 3:	DDX43	Q9NXZ2	T592	GVSITTLTRNDWRVA	66 / 9 AA	73
Phosphosite 4:	STK24	Q9Y6E0	S87	QQEITVLSQCDSPYV	66 / 9 AA	49
Phosphosite 5:	MST4	Q9P289	S75	QQEITVLSQCDSSYV	66 / 9 AA	47
Phosphosite 6:	YSK1	O00506	S71	QQEITVLSQCDSPYI	66 / 9 AA	48
Phosphosite 7:	MMRN1	Q13201	S185	APRETYLSRGDSSSS	75 / 8 AA	138
Phosphosite 8:	JAK1	P23458	S748	GIPITVLSRQECIER	55 / 9 AA	133
Phosphosite 9:	SYT11	Q9BT88	T140	RSPITSLTPGESKTT	66 / 9 AA	48
Phosphosite 10:	PDHA1	P08559	T57	PPVTTVLTREDGLKY	75 / 8 AA	43
Phosphosite 11:	MELK	Q14680	T539	RGLDKVITVLTRSKR	100 / 6 AA	75
Phosphosite 12:	GMPS	P49915	T152	KEEVVLLTHGDSVDK	55 / 9 AA	77
Phosphosite 13:	BTN3A2	P78410	T321	RKKIQYLTRGEESSS	62 / 8 AA	36
Phosphosite 14:	SPRED1	Q7Z699	T23	RVRAVVMTRDDSSGG	71 / 7 AA	50
Phosphosite 15:	SPRED2	Q7Z698	T22	RVKAVVMTRDDSSGG	71 / 7 AA	48
Phosphosite 16:	ZDHHC5	Q9C0B5	S376	HSSSAKLSRGDSLKE	83 / 6 AA	78
Phosphosite 17:	C9orf144B	Q6ZU69	S575	SQTGKSISVLTRELL	83 / 6 AA	148
Phosphosite 18:	C9orf144A	Q63HN1	S305	SQTGKSISVLTRELL	83 / 6 AA	62
Phosphosite 19:	R3HDM1	Q15032	S386	ASSFSGISVLTRGDS	83 / 6 AA	121
Phosphosite 20:	TET2	Q6N021	T1063	VEMSGPVTVLTRQTT	83 / 6 AA	224