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_22q11.21 provirus ancestral Gag polyprotein
Human P-Site:	Y243
P-Site Sequence:	APQGRAPYPQPPTRR
UniProt:	P63145
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_22q11.21 provirus ancestral Gag polyprotein	P63145	Y243	APQGRAPYPQPPTRR	100 / 9 AA	74
Phosphosite 1:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	Y243	APQGRAPYPQPPTRR	100 / 9 AA	74
Phosphosite 2:	ERVK5	Q9HDB9	Y243	ALQGRAPYPQPPTVR	100 / 9 AA	74
Phosphosite 3:	ERVK6	Q7LDI9	Y243	APQGRAPYPQPPTRR	100 / 9 AA	74
Phosphosite 4:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	Y243	APQGRAPYPQPPTRR	100 / 9 AA	74
Phosphosite 5:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	Y243	APQGRAPYPQPPTRR	100 / 9 AA	124
Phosphosite 6:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	Y243	APQGRAPYPQPPTRR	100 / 9 AA	74
Phosphosite 7:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	Y243	APQGRAPYPQPPTRR	100 / 9 AA	74
Phosphosite 8:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	Y243	APQGRAPYPQPPTRR	100 / 9 AA	74
Phosphosite 9:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	Y243	APQGREPYPQPPTRR	88 / 9 AA	72
Phosphosite 10:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	Y243	APQGRAPYHQPPTRR	88 / 9 AA	74
Phosphosite 11:	SCOTIN	Q8N114	Y159	TTVVHAPYPQPPSVP	87 / 8 AA	26
Phosphosite 12:	CTK	P42679	Y425	FSYGRAPYPKMSLKE	85 / 7 AA	56
Phosphosite 13:	SEMA3A	Q14563	Y375	PYQGRVPYPRPGTCP	75 / 8 AA	89
Phosphosite 14:	SEMA3B	Q13214	Y374	SYQGRVPYPRPGMCP	75 / 8 AA	83
Phosphosite 15:	GRINA	Q7Z429	Y42	PPYPGAPYPQPPFQP	100 / 7 AA	41
Phosphosite 16:	VILL	O15195	Y597	ALGGRAPYPSNKRLP	100 / 6 AA	96
Phosphosite 17:	SEMA3C	Q99985	Y372	SYQGRIPYPRPGTCP	75 / 8 AA	85
Phosphosite 18:	SEMA3D	O95025	Y392	QYDGRIPYPRPGTCP	75 / 8 AA	90
Phosphosite 19:	MEK5	Q13163	Y356	LALGRFPYPQIQKNQ	85 / 7 AA	50
Phosphosite 20:	FOXN4	Q96NZ1	Y173	PFGVRPPYPQPHVAV	85 / 7 AA	55