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:	S257
P-Site Sequence:	FILKRDNSSIDKEDN
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	S257	FILKRDNSSIDKEDN	100 / 9 AA	89
Phosphosite 1:	R3HDM1	Q15032	S261	YILKRDNSSFDKDDN	88 / 9 AA	121
Phosphosite 2:	ARPP-21	Q9UBL0	S258	ILKRDNSSIDKEDNQ	100 / 8 AA	89
Phosphosite 3:	R3HDM1	Q15032	S262	ILKRDNSSFDKDDNQ	87 / 8 AA	121
Phosphosite 4:	TAS2R13	Q9NYV9	S42	WVSKRELSSVDKLLI	66 / 9 AA	35
Phosphosite 5:	PKCb	P05771	S628	ARDKRDTSNFDKEFT	66 / 9 AA	77
Phosphosite 6:	EIF3D	O15371	S284	FFDKRDNSDFDLLTV	75 / 8 AA	64
Phosphosite 7:	LRBA	P50851	S994	TNGNENSSIEKTSSL	71 / 7 AA	319
Phosphosite 8:	LRBA	P50851	S993	TTNGNENSSIEKTSS	71 / 7 AA	319
Phosphosite 9:	CCDC50	Q8IVM0	S226	KAKEREKSSLDKRKQ	62 / 8 AA	36
Phosphosite 10:	AOPEP	Q8N6M6	S58	NRFKKQNSSIEEACQ	62 / 8 AA	94
Phosphosite 11:	IL17D	Q8TAD2	S183	DADSINSSIDKQGAK	100 / 6 AA	22
Phosphosite 12:	SPAG7	O75391	T200	PVANKRDTRSIEEAM	62 / 8 AA	26
Phosphosite 13:	Putative germ cell-specific gene 1-like protein 2	A8MUP6	S60	IHFKRDNSSNGRMDN	66 / 9 AA	26
Phosphosite 14:	MMP1	P03956	S172	RGDHRDNSPFDGPGG	71 / 7 AA	54
Phosphosite 15:	ZNF454	Q8N9F8	S397	GKAFRDNSSFARHRK	62 / 8 AA	60
Phosphosite 16:	ZNF454	Q8N9F8	S398	KAFRDNSSFARHRKI	62 / 8 AA	60
Phosphosite 17:	CCDC108	Q6ZU64	S1425	NISSWDNSSIHSRLV	83 / 6 AA	217
Phosphosite 18:	CCDC108	Q6ZU64	S1426	ISSWDNSSIHSRLVV	71 / 7 AA	217
Phosphosite 19:	DDX4	Q9NQI0	T79	ECNKRDNTSTMGGFG	71 / 7 AA	79
Phosphosite 20:	DLC1	Q96QB1	S1244	NTLKRENSSPRVMQR	83 / 6 AA	171