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:	T334
P-Site Sequence:	PNSPYMRTLLDSIAH
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	T334	PNSPYMRTLLDSIAH	100 / 9 AA	74
Phosphosite 1:	ERVK6	Q7LDI9	T334	PNSPYMRTLLDSIAH	100 / 9 AA	74
Phosphosite 2:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	T334	PNSPYMRTLLDSIAY	100 / 9 AA	74
Phosphosite 3:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	T334	PNSPYMRTLLDSIAY	100 / 9 AA	74
Phosphosite 4:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	T334	PNSPYMRTLLDSIAH	100 / 9 AA	74
Phosphosite 5:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	T334	PNSPYMRTLLDSIAH	100 / 9 AA	124
Phosphosite 6:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	T334	PNSPYMRTLLDSIAH	100 / 9 AA	74
Phosphosite 7:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	T334	PNSPYMRTLLDSIAH	100 / 9 AA	72
Phosphosite 8:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	T334	PNSPYMRTLLDSIAH	100 / 9 AA	74
Phosphosite 9:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	T334	PNSPYMRTLLDSIAH	100 / 9 AA	74
Phosphosite 10:	ERVK5	Q9HDB9	T334	SNSPYIRTLLDSIAH	88 / 9 AA	74
Phosphosite 11:	UBQLN1	Q9UMX0	S402	LSAPYMRSMMQSLSQ	55 / 9 AA	63
Phosphosite 12:	ubiquilin 2	Q9UHD9	S394	LSAPYMRSMMQSLSQ	55 / 9 AA	66
Phosphosite 13:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	Y331	QYGPNSPYMRTLLDS	100 / 6 AA	74
Phosphosite 14:	ERVK6	Q7LDI9	Y331	QYGPNSPYMRTLLDS	100 / 6 AA	74
Phosphosite 15:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	Y331	QYGPNSPYMRTLLDS	100 / 6 AA	74
Phosphosite 16:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	Y331	QYGPNSPYMRTLLDS	100 / 6 AA	74
Phosphosite 17:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	Y331	QYGPNSPYMRTLLDS	100 / 6 AA	74
Phosphosite 18:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	Y331	QYGPNSPYMRTLLDS	100 / 6 AA	124
Phosphosite 19:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	Y331	QYGPNSPYMRTLLDS	100 / 6 AA	74
Phosphosite 20:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	Y331	QYGPNSPYMRTLLDS	100 / 6 AA	72