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:	Y509
P-Site Sequence:	GSDVISEYVKACDGM
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	Y509	GSDVISEYVKACDGM	100 / 9 AA	74
Phosphosite 1:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	Y509	GSDVISEYVKACDGM	100 / 9 AA	74
Phosphosite 2:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	S507	PAGSDVISEYVKACD	100 / 7 AA	74
Phosphosite 3:	ERVK6	Q7LDI9	S507	PAGSDVISEYVKACD	100 / 7 AA	74
Phosphosite 4:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S507	PAGSDVISEYVKACD	100 / 7 AA	74
Phosphosite 5:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S507	PAGSDVISEYVKACD	100 / 7 AA	74
Phosphosite 6:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	S507	PAGSDVISEYVKACD	100 / 7 AA	74
Phosphosite 7:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S507	PAGSDVISEYVKACD	100 / 7 AA	124
Phosphosite 8:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S507	PAGSDVISEYVKACD	100 / 7 AA	74
Phosphosite 9:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S507	PAGSDVISEYVKACD	100 / 7 AA	72
Phosphosite 10:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S507	PAGSDVISEYVKACD	100 / 7 AA	74
Phosphosite 11:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S507	PAGSDVISEYVKACD	100 / 7 AA	74
Phosphosite 12:	DGCR8	Q8WYQ5	Y653	GKNQKSEYVMACGKH	85 / 7 AA	86
Phosphosite 13:	GNPAT	O15228	Y226	YWAVFSEYVKTMLRN	75 / 8 AA	77
Phosphosite 14:	COPS6	Q7L5N1	Y241	RVKLILEYVKASEAG	66 / 9 AA	36
Phosphosite 15:	PPP1R3A	Q16821	Y855	SSWVITEYQKATSKL	75 / 8 AA	126
Phosphosite 16:	MBLAC2	Q68D91	Y208	PYSRISDYVGTCERL	62 / 8 AA	31
Phosphosite 17:	MCF2	P10911	Y768	DEVGITEYVKGDNRK	71 / 7 AA	108
Phosphosite 18:	NANS	Q9NR45	S201	DVNLRVISEYQKLFP	85 / 7 AA	40
Phosphosite 19:	SND1	Q7KZF4	Y878	FQKVITEYLNAQESA	62 / 8 AA	102
Phosphosite 20:	NANS	Q9NR45	Y203	NLRVISEYQKLFPDI	85 / 7 AA	40