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_6q14.1 provirus ancestral Gag-Pol polyprotein
Human P-Site:	Y220
P-Site Sequence:	WPPAELQYRPPPESQ
UniProt:	P63128
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_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	Y220	WPPAELQYRPPPESQ	100 / 9 AA	124
Phosphosite 1:	ERVK6	Q7LDI9	Y220	WPPAELQYRPPPESQ	100 / 9 AA	74
Phosphosite 2:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	Y220	WPLAELQYRPPPESQ	100 / 9 AA	74
Phosphosite 3:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	Y220	WPPAELQYRPPPESQ	100 / 9 AA	74
Phosphosite 4:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	Y220	WPPAELQYRPPPESQ	100 / 9 AA	74
Phosphosite 5:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	Y220	WPPAELQYRPPPESQ	100 / 9 AA	74
Phosphosite 6:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	Y220	WPPAELQYRPPPESQ	100 / 9 AA	72
Phosphosite 7:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	Y220	WPPAELQYRPPPESQ	100 / 9 AA	74
Phosphosite 8:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	Y220	WPPAELQYRPPLESQ	100 / 8 AA	74
Phosphosite 9:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	Y220	WPPAELQYQPPPESQ	88 / 9 AA	74
Phosphosite 10:	ERVK5	Q9HDB9	Y220	WPPAELQYLPPPESQ	88 / 9 AA	74
Phosphosite 11:	SPATA2L	Q8IUW3	Y259	SPPAELAYRPPLWEQ	87 / 8 AA	46
Phosphosite 12:	ARRDC2	Q8TBH0	Y382	AYIQEFRYRPPPLYS	75 / 8 AA	44
Phosphosite 13:	WASF3	Q9UPY6	Y286	SQAAEHEYRPPSASA	66 / 9 AA	55
Phosphosite 14:	PLEKHA8	Q96JA3	Y183	AFTSELLYRTPPGSP	66 / 9 AA	58
Phosphosite 15:	MUC4	Q99102	Y1995	MVISEFQYRPRGPVI	71 / 7 AA	232
Phosphosite 16:	CES1	P23141	Y451	TYMYEFQYRPSFSSD	71 / 7 AA	63
Phosphosite 17:	CTTN	Q14247	Y433	SFKAELSYRGPVSGT	75 / 8 AA	62
Phosphosite 18:	SPDEF	O95238	Y166	LLWTEHQYRLPPMGK	66 / 9 AA	38
Phosphosite 19:	CTTN	Q14247	S432	ASFKAELSYRGPVSG	75 / 8 AA	62
Phosphosite 20:	SMYD1	Q8NB12	Y157	DVDTFLQYWPPQSQQ	83 / 6 AA	57