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:	C19orf21
Human P-Site:	T317
P-Site Sequence:	QRGLRQATDHQELVE
UniProt:	Q8IVT2
Intern. Prot. ID:	IPI00217121

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C19orf21	Q8IVT2	T317	QRGLRQATDHQELVE	100 / 9 AA	75
Phosphosite 1:	CST11	Q9H112	T78	LKVQRQVTDHLEYHL	75 / 8 AA	17
Phosphosite 2:	NXPH1	P58417	T95	WDWLRNSTDLQEPRP	66 / 9 AA	31
Phosphosite 3:	EnvK4 protein	Q9UKH3	S664	TQQLRRDSDHRERAM	55 / 9 AA	79
Phosphosite 4:	HERV-K_19p13.11 provirus ancestral Env polyprotein	Q902F9	S665	TQQLRRDSDHRERAM	55 / 9 AA	79
Phosphosite 5:	EnvK6	Q902F8	S665	TQQLRRDSDHRERAM	55 / 9 AA	79
Phosphosite 6:	ERVK6	Q69384	S665	TQQLRRDSDHRERAM	55 / 9 AA	79
Phosphosite 7:	FNDC3B	Q53EP0	T349	LKDLRPATDYHVRVY	62 / 8 AA	133
Phosphosite 8:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S1425	TQQLRRDSDHRERAM	55 / 9 AA	165
Phosphosite 9:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S554	TQQLRRDSDHRERAM	55 / 9 AA	67
Phosphosite 10:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S554	TQQLRRDSDHRERAM	55 / 9 AA	67
Phosphosite 11:	EnvK1	P61565	S664	TQQLRRDSDHRERAM	55 / 9 AA	79
Phosphosite 12:	HERV-K_19q12 provirus ancestral Env polyprotein	O71037	S665	TQQLRRDSDHRERAM	55 / 9 AA	79
Phosphosite 13:	MYO18B	Q8IUG5	T1432	RNELRQNTDLLESKI	66 / 9 AA	285
Phosphosite 14:	SLIT3	O75094	T1295	LSALRQGTDRPLGGF	62 / 8 AA	168
Phosphosite 15:	ME1	P48163	T474	ACGLRQITDNIFLTT	71 / 7 AA	64
Phosphosite 16:	DOCK4	Q8N1I0	T927	LSLLRQMTDRHYQQL	62 / 8 AA	225
Phosphosite 17:	DIAPH3	Q9NSV4	T521	KKFEKEFTDHQETQA	62 / 8 AA	137
Phosphosite 18:	SNTB2	Q13425	T175	GTDLRQATHDQAVQA	66 / 9 AA	58
Phosphosite 19:	DLG5	Q8TDM6	T1406	GINLRSATEQQARLI	62 / 8 AA	214
Phosphosite 20:	CAP2	P40123	T281	TKGLRHVTDDQKTYK	62 / 8 AA	53