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:	S348
P-Site Sequence:	TSGSRQSSSENELKW
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	S348	TSGSRQSSSENELKW	100 / 9 AA	89
Phosphosite 1:	ARPP-21	Q9UBL0	S349	SGSRQSSSENELKWS	100 / 8 AA	89
Phosphosite 2:	ARPP-21	Q9UBL0	S347	RTSGSRQSSSENELK	100 / 8 AA	89
Phosphosite 3:	R3HDM1	Q15032	S347	STNSHQSSTENELKY	77 / 9 AA	121
Phosphosite 4:	TTC16	Q8NEE8	S747	QGQRQSSSEIEATQG	87 / 8 AA	98
Phosphosite 5:	TTC16	Q8NEE8	S746	TQGQRQSSSEIEATQ	87 / 8 AA	98
Phosphosite 6:	APC	P25054	S1044	NSGRQSPSQNERWAR	75 / 8 AA	312
Phosphosite 7:	PIGR	P01833	S275	KFLCRQSSGENCDVV	75 / 8 AA	83
Phosphosite 8:	PIGR	P01833	S274	AKFLCRQSSGENCDV	75 / 8 AA	83
Phosphosite 9:	R3HDM2	Q9Y2K5	S315	TSSSRQSSTDSELKS	66 / 9 AA	107
Phosphosite 10:	USP8	P40818	S557	GVKRQSKSEHETSDA	75 / 8 AA	128
Phosphosite 11:	CTDP1	Q9Y5B0	S936	SESSRESSNEDEGSS	66 / 9 AA	104
Phosphosite 12:	HISPPD2A	Q6PFW1	S932	GCGFRPASSENEEMK	75 / 8 AA	160
Phosphosite 13:	PLCH1	Q4KWH8	S900	NKNPRHSSSENNSHY	75 / 8 AA	189
Phosphosite 14:	PLCH1	Q4KWH8	S899	FNKNPRHSSSENNSH	75 / 8 AA	189
Phosphosite 15:	PLCH1	Q4KWH8	S901	KNPRHSSSENNSHYV	85 / 7 AA	189
Phosphosite 16:	SETDB1	Q15047	S111	GLQYRDSSSEDESSR	75 / 8 AA	143
Phosphosite 17:	HISPPD2A	Q6PFW1	S933	CGFRPASSENEEMKT	75 / 8 AA	160
Phosphosite 18:	SETDB1	Q15047	S112	LQYRDSSSEDESSRP	75 / 8 AA	143
Phosphosite 19:	G-alpha(z)	P19086	S7	_MGCRQSSEEKEAAR	66 / 9 AA	41
Phosphosite 20:	KIAA1841	Q6NSI8	S701	PVSARQSSSEKNTRS	75 / 8 AA	82