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_5q33.3 provirus ancestral Gag polyprotein
Human P-Site:	S262
P-Site Sequence:	APPSRQGSELHEIID
UniProt:	P87889
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_5q33.3 provirus ancestral Gag polyprotein	P87889	S262	APPSRQGSELHEIID	100 / 9 AA	74
Phosphosite 1:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S262	APPSRQGSELHEIID	100 / 9 AA	74
Phosphosite 2:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	S262	APPSRQGSELHEIID	100 / 9 AA	74
Phosphosite 3:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S262	APPSRQGSELHEIID	100 / 9 AA	124
Phosphosite 4:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S262	APPSRQGSELHEIID	100 / 9 AA	74
Phosphosite 5:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S262	APPSRQGSELHEIID	100 / 9 AA	72
Phosphosite 6:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S262	APPSRQGSELHEIID	100 / 9 AA	74
Phosphosite 7:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S262	APPSRQGSELHEIID	100 / 9 AA	74
Phosphosite 8:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	S262	APPSRRGSELHEIID	88 / 9 AA	74
Phosphosite 9:	ERVK6	Q7LDI9	S262	APPSRQGSKLHEIID	88 / 9 AA	74
Phosphosite 10:	KCNN3	Q9UGI6	S133	HPSSRQGSQLNLNDH	75 / 8 AA	82
Phosphosite 11:	KIAA1632	Q9HCE0	S2509	QIRLRPGSELHLTPK	85 / 7 AA	292
Phosphosite 12:	PALLD	Q8WX93	S479	VQWFRQGSEIQDSPD	62 / 8 AA	151
Phosphosite 13:	TTN	Q8WZ42	S7330	VSWFRNDSELHESWK	75 / 8 AA	3816
Phosphosite 14:	ARHGAP12	Q8IWW6	T551	ELKTRQGTELLIQSD	71 / 7 AA	96
Phosphosite 15:	Rab11FIP1	Q6WKZ4	S500	AVVSRQGSSLNLFED	75 / 8 AA	137
Phosphosite 16:	FILIP1	Q7Z7B0	S619	RGRSRKGSELTCPED	85 / 7 AA	138
Phosphosite 17:	ZNF174	Q15697	S395	GKSFRQSSNLHQHHR	62 / 8 AA	46
Phosphosite 18:	ST6GALNAC5	Q9BVH7	S112	LLHSRQGSQIDQTEC	55 / 9 AA	38
Phosphosite 19:	SPTBN4	Q9H254	S1737	YQLSRQVSELEHWIA	85 / 7 AA	289
Phosphosite 20:	DMGDH	Q9UI17	S599	LLITGSGSELHDLRW	83 / 6 AA	97