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:	S138
P-Site Sequence:	RMLSKDCSQEYTDST
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	S138	RMLSKDCSQEYTDST	100 / 9 AA	89
Phosphosite 1:	R3HDM2	Q9Y2K5	S143	KMLSRDSSQEYTDST	77 / 9 AA	107
Phosphosite 2:	R3HDM1	Q15032	S142	KMLSRDSSQEYTDST	77 / 9 AA	121
Phosphosite 3:	CXorf26	Q9BVG4	S126	TLLRLDCSQGYTEEN	85 / 7 AA	26
Phosphosite 4:	R3HDM2	Q9Y2K5	S142	RKMLSRDSSQEYTDS	75 / 8 AA	107
Phosphosite 5:	R3HDM1	Q15032	S141	RKMLSRDSSQEYTDS	75 / 8 AA	121
Phosphosite 6:	ARPP-21	Q9UBL0	Y141	SKDCSQEYTDSTGID	100 / 6 AA	89
Phosphosite 7:	DUOXA2	Q1HG44	S290	DQSAKDCSQERGGSP	85 / 7 AA	35
Phosphosite 8:	Lmr3	Q96Q04	S81	NPEGEDCSGEYTPPA	66 / 9 AA	156
Phosphosite 9:	CCDC111	Q96LW4	S321	PIQSKDVSDEYQYFL	75 / 8 AA	64
Phosphosite 10:	GPR82	Q96P67	S127	TLMQKDSSQETTSCY	75 / 8 AA	38
Phosphosite 11:	STAG1	Q8WVM7	S645	KTYSILCSEEYTIQN	83 / 6 AA	144
Phosphosite 12:	TAF7L	Q5H9L4	S363	EEEEEDCSEEYLERQ	83 / 6 AA	53
Phosphosite 13:	STAG1	Q8WVM7	Y648	SILCSEEYTIQNRVD	83 / 6 AA	144
Phosphosite 14:	GPC2	Q8N158	Y66	LRVCPQEYTCCSSET	83 / 6 AA	63
Phosphosite 15:	DCLRE1A	Q6PJP8	Y846	TTYCSPEYTFPSQQE	83 / 6 AA	116
Phosphosite 16:	IMPAD1	Q9NX62	T179	WIDPLDATQEYTEDL	71 / 7 AA	39
Phosphosite 17:	AHDC1	Q5TGY3	S999	CANSKDCSFAYGSGN	75 / 8 AA	168
Phosphosite 18:	MATN3	O15232	Y295	HCECSQGYTLNADKK	83 / 6 AA	53
Phosphosite 19:	DCLRE1A	Q6PJP8	S843	YLDTTYCSPEYTFPS	83 / 6 AA	116
Phosphosite 20:	C3orf50	Q0D2K5	T130	KTGNCDCTPDYTRKS	57 / 7 AA	22