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_19p13.11 provirus ancestral Gag polyprotein
Human P-Site:	Y451
P-Site Sequence:	RQGSKEPYPDFVARL
UniProt:	P62684
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_19p13.11 provirus ancestral Gag polyprotein	P62684	Y451	RQGSKEPYPDFVARL	100 / 9 AA	74
Phosphosite 1:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	Y451	RQGSKEPYPDFVARL	100 / 9 AA	74
Phosphosite 2:	ERVK5	Q9HDB9	Y450	RQGSKEPYPDFVARL	100 / 9 AA	74
Phosphosite 3:	ERVK6	Q7LDI9	Y451	RQGSKEPYPDFVARL	100 / 9 AA	74
Phosphosite 4:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	Y451	RQGSKEPYPDFVARL	100 / 9 AA	74
Phosphosite 5:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	Y451	RQGSKEPYPDFVARL	100 / 9 AA	74
Phosphosite 6:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	Y451	RQGSKEPYPDFVARL	100 / 9 AA	74
Phosphosite 7:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	Y451	RQGSKEPYPDFVARL	100 / 9 AA	124
Phosphosite 8:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	Y451	RQGSKEPYPDFVARL	100 / 9 AA	74
Phosphosite 9:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	Y451	RQGSKEPYPDFVARL	100 / 9 AA	72
Phosphosite 10:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	Y451	RQSSKEPYPDFVARL	100 / 9 AA	74
Phosphosite 11:	PUS7	Q96PZ0	Y134	SGILKERYSDFVVHE	75 / 8 AA	75
Phosphosite 12:	PUS7	Q96PZ0	S135	GILKERYSDFVVHEI	75 / 8 AA	75
Phosphosite 13:	CHRFAM7A	Q494W8	Y127	YECCKEPYPDVTFTV	85 / 7 AA	46
Phosphosite 14:	nAChRA7	P36544	Y217	YECCKEPYPDVTFTV	85 / 7 AA	56
Phosphosite 15:	TRRAP	Q9Y4A5	Y277	KLYNKELYADFIAAQ	55 / 9 AA	438
Phosphosite 16:	AMMECR1	Q9Y4X0	Y158	PRFTNEPYPLFVTWK	66 / 9 AA	35
Phosphosite 17:	ICK	Q9UPZ9	Y156	EIRSKPPYTDYVSTR	66 / 9 AA	71
Phosphosite 18:	C9orf119	Q1ZZU3	Y226	GVTTKELYPEFGLDM	62 / 8 AA	27
Phosphosite 19:	VPS13D	Q5THJ4	Y3153	VAIKKENYPDYMPSN	62 / 8 AA	492
Phosphosite 20:	DSG1	Q02413	Y768	ISLGKESYPDLDPSW	62 / 8 AA	114