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:	T23
P-Site Sequence:	GTEQETATPENGIVK
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	T23	GTEQETATPENGIVK	100 / 9 AA	89
Phosphosite 1:	ARPP-21	Q9UBL0	T21	EGGTEQETATPENGI	100 / 7 AA	89
Phosphosite 2:	ERVK6	Q69383	T100	NSSEETATIENGP__	77 / 9 AA	12
Phosphosite 3:	HERV-K_11q22.1 provirus Rec protein	P61579	T100	NSSEETATIENGP__	77 / 9 AA	12
Phosphosite 4:	HERV-K_8p23.1 provirus Rec protein	P61575	T100	NSSEETATIENGP__	77 / 9 AA	12
Phosphosite 5:	HERV-K_19p13.11 provirus Rec protein	P61574	T100	NSSEETATIENGP__	77 / 9 AA	12
Phosphosite 6:	HERV-K_6q14.1 provirus Rec protein	P61573	T100	NSSEETATIENGP__	77 / 9 AA	12
Phosphosite 7:	HERV-K_19q12 provirus Rec protein	P61572	T100	NSSEETATIENGP__	77 / 9 AA	12
Phosphosite 8:	HERV-K_12q14.1 provirus Rec protein	P61571	T99	NSSEETATIENGP__	77 / 9 AA	12
Phosphosite 9:	MYLK2	Q9H1R3	T103	ALPQQTATPETSVKK	66 / 9 AA	65
Phosphosite 10:	GREB1L	Q9C091	T261	SSVSSTVTPENGTTN	85 / 7 AA	214
Phosphosite 11:	MYLK2	Q9H1R3	T101	PAALPQQTATPETSV	85 / 7 AA	65
Phosphosite 12:	Ets-1	P14921	T232	AIKQEVVTPDNMCMG	62 / 8 AA	50
Phosphosite 13:	DNAH2	Q9P225	T2296	KLYSALATPENGVNP	100 / 6 AA	508
Phosphosite 14:	WBP7	Q9UMN6	T1550	WRQQEPETPESGQPP	66 / 9 AA	294
Phosphosite 15:	TMEM201	Q5SNT2	T259	PGGNGSATPDNGTTP	71 / 7 AA	72
Phosphosite 16:	SPRED1	Q7Z699	T7	_MSEETATSDNDNSY	55 / 9 AA	50
Phosphosite 17:	KIAA0678	O75165	T1599	YLAEEQATPENPTIR	75 / 8 AA	115
Phosphosite 18:	FNDC5	Q8NAU1	T183	KSASETSTPEHQGGG	71 / 7 AA	22
Phosphosite 19:	GAGE8	Q9UEU5	T39	SDEVEPATPEEGEPA	75 / 8 AA	13
Phosphosite 20:	GAGE13	Q4V321	T40	SDEVEPATPEEGEPA	75 / 8 AA	13