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:	S338
P-Site Sequence:	YMRTLLDSIAHGHRL
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	S338	YMRTLLDSIAHGHRL	100 / 9 AA	74
Phosphosite 1:	ERVK5	Q9HDB9	S338	YIRTLLDSIAHGNRL	100 / 9 AA	74
Phosphosite 2:	ERVK6	Q7LDI9	S338	YMRTLLDSIAHGHRL	100 / 9 AA	74
Phosphosite 3:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	S338	YMRTLLDSIAHGHRL	100 / 9 AA	74
Phosphosite 4:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S338	YMRTLLDSIAHGHRL	100 / 9 AA	124
Phosphosite 5:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S338	YMRTLLDSIAHGHRL	100 / 9 AA	74
Phosphosite 6:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S338	YMRTLLDSIAHGHRL	100 / 9 AA	72
Phosphosite 7:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S338	YMRTLLDSIAHGHRL	100 / 9 AA	74
Phosphosite 8:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S338	YMRTLLDSIAHGHRL	100 / 9 AA	74
Phosphosite 9:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S338	YMRTLLDSIAYGHRL	88 / 9 AA	74
Phosphosite 10:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S338	YMRTLLDSIAYGHRL	88 / 9 AA	74
Phosphosite 11:	C1orf228	Q6PIY5	S174	EVQVLLDSLVHGNPK	66 / 9 AA	49
Phosphosite 12:	HEATR5A	Q86XA9	S808	ILEQLLDSIKHTKGA	85 / 7 AA	222
Phosphosite 13:	SLC22A18	Q96BI1	S58	SRKLGLDSIAFGYLQ	85 / 7 AA	45
Phosphosite 14:	COMMD5	Q9GZQ3	S140	SQRPLLDSVAQQQGA	71 / 7 AA	25
Phosphosite 15:	LIG4	P49917	S154	QVNDLLDSIASNNSA	100 / 6 AA	104
Phosphosite 16:	IQCE	Q6IPM2	S565	TRTKLLASKAHGSEP	66 / 9 AA	77
Phosphosite 17:	CMYA1	Q702N8	S452	FETLPLDSIGQGEVL	71 / 7 AA	199
Phosphosite 18:	H6PD	O95479	S492	FWTPLLESLAHKAPR	71 / 7 AA	89
Phosphosite 19:	Ets-2	P15036	S58	EVPTGLDSISHDSAN	75 / 8 AA	53
Phosphosite 20:	Leucine-rich repeat-containing protein 14B	A6NHZ5	S25	VARQSLDSVAHNLYP	83 / 6 AA	56