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:	T277
P-Site Sequence:	KSRKEGDTEAWQFPV
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	T277	KSRKEGDTEAWQFPV	100 / 9 AA	74
Phosphosite 1:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	T277	KSRKEGDTEAWQFPV	100 / 9 AA	74
Phosphosite 2:	ERVK6	Q7LDI9	T277	KSRKEGDTEAWQFPV	100 / 9 AA	74
Phosphosite 3:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	T277	KSRKEGDTEAWQFPV	100 / 9 AA	74
Phosphosite 4:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	T277	KSRKEGDTEAWQFPV	100 / 9 AA	74
Phosphosite 5:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	T277	KSRKEGDTEAWQFPV	100 / 9 AA	124
Phosphosite 6:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	T277	KSRKEGDTEAWQFPV	100 / 9 AA	74
Phosphosite 7:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	T277	KSRKEGDTEAWQFPV	100 / 9 AA	72
Phosphosite 8:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	T277	KSRKEGDTEAWQFPV	100 / 9 AA	74
Phosphosite 9:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	T277	KSRKEGDTEAWQFPV	100 / 9 AA	74
Phosphosite 10:	LRRC16B	Q8ND23	T1185	GPDQEGSTQAWQKRR	66 / 9 AA	150
Phosphosite 11:	FER1L6	Q2WGJ9	T31	AKDSQGDTEALQEEP	75 / 8 AA	209
Phosphosite 12:	SENP1	Q9P0U3	T581	KKRKEFDTNGWQLFS	66 / 9 AA	73
Phosphosite 13:	Putative endonuclease FLJ39025	Q8N8Q3	T33	AHVVDRDTEAWQRDP	100 / 6 AA	31
Phosphosite 14:	UBR2	Q8IWV8	T154	GFCDCGDTEAWKEGP	85 / 7 AA	201
Phosphosite 15:	SLC34A3	Q8N130	T42	PVLEEGDTDPWTLPQ	71 / 7 AA	64
Phosphosite 16:	CACNA1B	Q00975	T281	ARLCEGDTECREYWP	62 / 8 AA	262
Phosphosite 17:	GBA2	Q9HCG7	T770	CGLGEGDTEVFPTQH	62 / 8 AA	105
Phosphosite 18:	C3orf26	Q9BQ75	T32	DGEGEGDTEVMQQET	75 / 8 AA	32
Phosphosite 19:	PKD1L1	Q8TDX9	S494	SQTQVGDSQAWHSMT	57 / 7 AA	315
Phosphosite 20:	LRRC16B	Q8ND23	S1184	PGPDQEGSTQAWQKR	62 / 8 AA	150