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:	HERV-K_19q12 provirus ancestral Gag polyprotein
Human P-Site:	S262
P-Site Sequence:	APPSRRGSELHEIID
UniProt:	Q9YNA8
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	S262	APPSRRGSELHEIID	100 / 9 AA	74
Phosphosite 1:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S262	APPSRQGSELHEIID	88 / 9 AA	74
Phosphosite 2:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S262	APPSRQGSELHEIID	88 / 9 AA	74
Phosphosite 3:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	S262	APPSRQGSELHEIID	88 / 9 AA	74
Phosphosite 4:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S262	APPSRQGSELHEIID	88 / 9 AA	124
Phosphosite 5:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S262	APPSRQGSELHEIID	88 / 9 AA	74
Phosphosite 6:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S262	APPSRQGSELHEIID	88 / 9 AA	72
Phosphosite 7:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S262	APPSRQGSELHEIID	88 / 9 AA	74
Phosphosite 8:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S262	APPSRQGSELHEIID	88 / 9 AA	74
Phosphosite 9:	ERVK6	Q7LDI9	S262	APPSRQGSKLHEIID	77 / 9 AA	74
Phosphosite 10:	NOTCH2NL	Q7Z3S9	T218	PETVRRGTELWERDR	75 / 8 AA	26
Phosphosite 11:	FAM47A	Q5JRC9	S373	PPKTRRGSSLHAEPS	66 / 9 AA	91
Phosphosite 12:	ZNF500	O60304	T450	GRGFRRGTDLHKHQR	71 / 7 AA	54
Phosphosite 13:	GAS8	O95995	T206	ELDLRRKTELHEVEE	75 / 8 AA	56
Phosphosite 14:	KIAA1632	Q9HCE0	S2509	QIRLRPGSELHLTPK	85 / 7 AA	292
Phosphosite 15:	SLC4A9	Q96Q91	S303	QWSVRRASNLHDLLA	62 / 8 AA	108
Phosphosite 16:	FILIP1	Q7Z7B0	S619	RGRSRKGSELTCPED	85 / 7 AA	138
Phosphosite 17:	TBCC	Q15814	S199	QVLEKRASELHQRDV	62 / 8 AA	39
Phosphosite 18:	FAM47A	Q5JRC9	S374	PKTRRGSSLHAEPSK	75 / 8 AA	91
Phosphosite 19:	ZNF780B	Q9Y6R6	S570	GKFFRRGSNLNQHRS	62 / 8 AA	97
Phosphosite 20:	TTN	Q8WZ42	S7330	VSWFRNDSELHESWK	75 / 8 AA	3816