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_1q22 provirus ancestral Gag polyprotein
Human P-Site:	S103
P-Site Sequence:	QTEKDSVSVSDALGS
UniProt:	P63130
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_1q22 provirus ancestral Gag polyprotein	P63130	S103	QTEKDSVSVSDALGS	100 / 9 AA	74
Phosphosite 1:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	S103	QTEEDSVSVSDAPGS	100 / 8 AA	74
Phosphosite 2:	ERVK5	Q9HDB9	S103	QTKEDSVSVSDAPGS	100 / 8 AA	74
Phosphosite 3:	ERVK6	Q7LDI9	S103	QTEEDSVSVSDAPGS	100 / 8 AA	74
Phosphosite 4:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S103	QTEEDSVSVSDAPGS	100 / 8 AA	74
Phosphosite 5:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S103	QTEEDSVSVSDAPGS	100 / 8 AA	74
Phosphosite 6:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S103	QTEEDSISVSDAPGS	87 / 8 AA	74
Phosphosite 7:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S103	QTEEDSISVSDAPGS	87 / 8 AA	124
Phosphosite 8:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S103	QTEEDSISVSDAPGS	87 / 8 AA	74
Phosphosite 9:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S103	QTEEDSISVSDAPGS	87 / 8 AA	72
Phosphosite 10:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S103	QTEEDSISVSDAPGS	87 / 8 AA	74
Phosphosite 11:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	S101	PFQTEKDSVSVSDAL	100 / 7 AA	74
Phosphosite 12:	ZZEF1	O43149	S390	RVKKSGVSVSDASAI	77 / 9 AA	331
Phosphosite 13:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	S105	EKDSVSVSDALGSCI	100 / 7 AA	74
Phosphosite 14:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	S105	EEDSVSVSDAPGSCI	100 / 7 AA	74
Phosphosite 15:	ERVK5	Q9HDB9	S105	KEDSVSVSDAPGSCV	100 / 7 AA	74
Phosphosite 16:	ERVK6	Q7LDI9	S105	EEDSVSVSDAPGSCI	100 / 7 AA	74
Phosphosite 17:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S105	EEDSVSVSDAPGSCL	100 / 7 AA	74
Phosphosite 18:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S105	EEDSVSVSDAPGSCI	100 / 7 AA	74
Phosphosite 19:	ZFHX4	Q86UP3	S1137	NSNKDSVSVAGGTQP	66 / 9 AA	394
Phosphosite 20:	C17orf57	Q8IY85	S618	DLRKETMSVSDLWNT	62 / 8 AA	110