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_5q33.3 provirus ancestral Gag polyprotein
Human P-Site:	Y654
P-Site Sequence:	GISQLPQYNNCPSPQ
UniProt:	P87889
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_5q33.3 provirus ancestral Gag polyprotein	P87889	Y654	GISQLPQYNNCPSPQ	100 / 9 AA	74
Phosphosite 1:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	Y654	GISQLPQYNNCPPPQ	100 / 9 AA	74
Phosphosite 2:	ERVK6	Q7LDI9	Y654	GISQLPQYNNCPPPQ	100 / 9 AA	74
Phosphosite 3:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	Y654	GISQLPQYNNCPLPQ	100 / 9 AA	74
Phosphosite 4:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	Y654	GISQLPQYNNCPPPQ	100 / 9 AA	74
Phosphosite 5:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	Y654	GISQLPQYNNCPPPQ	100 / 9 AA	124
Phosphosite 6:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	Y654	GISQLPQYNNCPPPQ	100 / 9 AA	74
Phosphosite 7:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	Y654	GISQLPQYNNCPPPQ	100 / 9 AA	74
Phosphosite 8:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	Y654	GISQLPQYNNCPPPQ	100 / 9 AA	74
Phosphosite 9:	PCK2	Q16822	Y89	LIRKLPKYNNCWLAR	75 / 8 AA	71
Phosphosite 10:	PPM1J	Q5JR12	Y415	RVYDLTQYEHCPDDV	55 / 9 AA	55
Phosphosite 11:	ERVK5	Q9HDB9	S655	GVSQLQQSNSCPAPQ	66 / 9 AA	74
Phosphosite 12:	EGR3	Q06889	Y147	MYPALPPYSNCGDLY	71 / 7 AA	43
Phosphosite 13:	PTPN14	Q15678	Y692	EVPQLPQYHHKKTFS	71 / 7 AA	135
Phosphosite 14:	EGR3	Q06889	S148	YPALPPYSNCGDLYS	71 / 7 AA	43
Phosphosite 15:	RYR1	P21817	Y3213	LEPQLNEYNACSVYT	55 / 9 AA	565
Phosphosite 16:	GLI3	P10071	Y1254	QPCKAPQYGNCLNRQ	83 / 6 AA	170
Phosphosite 17:	GALNT7	Q86SF2	Y582	EANQLMQYDQCLTKG	62 / 8 AA	75
Phosphosite 18:	SAMD5	Q5TGI4	Y18	KALQLPQYAESFVDN	62 / 8 AA	19
Phosphosite 19:	SLC28A2	O43868	Y502	AYQQLSQYKNKRLSG	71 / 7 AA	72
Phosphosite 20:	CYFIP2	Q96F07	Y343	QSSISPQYNICEQMV	83 / 6 AA	148