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 Env polyprotein
Human P-Site:	T658
P-Site Sequence:	LLLVYRCTQQLRRDS
UniProt:	Q902F9
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 Env polyprotein	Q902F9	T658	LLLVYRCTQQLRRDS	100 / 9 AA	79
Phosphosite 1:	EnvK4 protein	Q9UKH3	T657	LLLVCRCTQQLRRDS	88 / 9 AA	79
Phosphosite 2:	EnvK6	Q902F8	T658	LLLVCRCTQQLRRDS	88 / 9 AA	79
Phosphosite 3:	ERVK6	Q69384	T658	LLLVCRCTQQLRRDS	88 / 9 AA	79
Phosphosite 4:	HERV-K_1q22 provirus ancestral Pol protein	P63135	T1418	LLLVCRCTQQLRRDS	88 / 9 AA	165
Phosphosite 5:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	T547	LLLVCRCTQQLRRDS	88 / 9 AA	67
Phosphosite 6:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	T547	LLLVCRCTQQLRRDS	88 / 9 AA	67
Phosphosite 7:	EnvK1	P61565	T657	LLLVCRCTQQLRRDS	88 / 9 AA	79
Phosphosite 8:	HERV-K_19q12 provirus ancestral Env polyprotein	O71037	T658	LLLVCRCTQQLRRDS	88 / 9 AA	79
Phosphosite 9:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	T547	LLLVCRCTQQLRRDS	88 / 9 AA	64
Phosphosite 10:	NOD1	Q9Y239	T130	TDPVSRYTQQLRHHL	77 / 9 AA	108
Phosphosite 11:	ZNF23	P17027	S348	CGKGFRCSSQLRQHQ	62 / 8 AA	73
Phosphosite 12:	SPINT1	O43278	Y149	TREVYRSYRQLRTQG	66 / 9 AA	58
Phosphosite 13:	ZNF23	P17027	S349	GKGFRCSSQLRQHQS	62 / 8 AA	73
Phosphosite 14:	C16orf59	Q7L2K0	S360	PQLLVYSSTQELQTL	62 / 8 AA	46
Phosphosite 15:	ARHGAP5	Q13017	T135	EKLMYICTDQLGLEQ	62 / 8 AA	172
Phosphosite 16:	C21orf45	Q9NYP9	T155	LGYVYRCTPKNLDYK	71 / 7 AA	26
Phosphosite 17:	IGSF21	Q96ID5	T414	NGSMYRCTAQNPLGS	71 / 7 AA	52
Phosphosite 18:	KLHL15	Q96M94	S245	TSEFYRYSRQLRYEV	62 / 8 AA	70
Phosphosite 19:	C21orf45	Q9NYP9	Y152	SLNLGYVYRCTPKNL	83 / 6 AA	26
Phosphosite 20:	ZNF521	Q96K83	Y752	HSNEKKVYRCTSCNW	100 / 5 AA	148