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:	S300
P-Site Sequence:	ERIFAHDSVCSQESL
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	S300	ERIFAHDSVCSQESL	100 / 9 AA	89
Phosphosite 1:	R3HDM1	Q15032	S302	DRIFSQDSLCSQENY	66 / 9 AA	121
Phosphosite 2:	PRKDC	P78527	S3779	NGILAQDSACSQRAL	66 / 9 AA	469
Phosphosite 3:	CXXC6	Q8NFU7	T247	PKMFAQDTVCAPFPQ	55 / 9 AA	235
Phosphosite 4:	ARPP-21	Q9UBL0	S303	FAHDSVCSQESLFVE	100 / 6 AA	89
Phosphosite 5:	SUPT6H	Q7KZ85	Y573	PLELAKDYVCSQFPT	66 / 9 AA	199
Phosphosite 6:	ZZEF1	O43149	S1719	ENISVHDSVISQWSE	75 / 8 AA	331
Phosphosite 7:	POLR1B	Q9H9Y6	S772	ERGFAHGSVYKSEFI	71 / 7 AA	128
Phosphosite 8:	GEN1	Q17RS7	S262	TKKLAHCSVCSHPGS	66 / 9 AA	103
Phosphosite 9:	PLEKHG2	Q9H7P9	S1072	QGPDPVCSQPIQPLS	83 / 6 AA	148
Phosphosite 10:	MUTED	Q8TDH9	S115	RLQAANDSVCRLQQR	83 / 6 AA	22
Phosphosite 11:	GZF1	Q9H116	S675	TACKADDSVVSQDTL	75 / 8 AA	80
Phosphosite 12:	ZNF551	Q7Z340	S243	HTLVQHQSVCSEGGL	71 / 7 AA	78
Phosphosite 13:	R3HDM1	Q15032	S305	FSQDSLCSQENYIID	83 / 6 AA	121
Phosphosite 14:	FSCN2	O14926	S438	WYTGSHGSVCSDGER	62 / 8 AA	55
Phosphosite 15:	NPAT	Q14207	S705	SHSLPPESVCSSVGD	50 / 8 AA	154
Phosphosite 16:	THBS1	P07996	S938	KDDFDHDSVPDIDDI	83 / 6 AA	129
Phosphosite 17:	OTUD7A	Q8TE49	S480	SLDSDRDSVCSNSNS	83 / 6 AA	101
Phosphosite 18:	AADACL4	Q5VUY2	S78	FIRFLHDSVRIKKDP	83 / 6 AA	46
Phosphosite 19:	PRKDC	P78527	S3782	LAQDSACSQRALQLR	83 / 6 AA	469
Phosphosite 20:	STARD9	Q9P2P6	S1760	ITEESHDSVYSSVTQ	71 / 7 AA	507