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_16p3.3 provirus ancestral Env polyprotein
Human P-Site:	S270
P-Site Sequence:	LHRPWESSPSIHIVN
UniProt:	Q9NX77
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_16p3.3 provirus ancestral Env polyprotein	Q9NX77	S270	LHRPWESSPSIHIVN	100 / 9 AA	55
Phosphosite 1:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S446	MDRPWEASPSIHILT	88 / 9 AA	75
Phosphosite 2:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	S335	TDRPWEASPSIHILT	88 / 9 AA	64
Phosphosite 3:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S1206	MDRPWEASPSVHILT	77 / 9 AA	165
Phosphosite 4:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S335	MDRPWEASPSVHILT	77 / 9 AA	67
Phosphosite 5:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S335	MDRPWEASPSVHILT	77 / 9 AA	67
Phosphosite 6:	HERV-K_16p3.3 provirus ancestral Env polyprotein	Q9NX77	S272	RPWESSPSIHIVNEV	100 / 7 AA	55
Phosphosite 7:	C14orf143	Q9BUY7	S16	RSRTWEASPSEHRKW	75 / 8 AA	19
Phosphosite 8:	RGL2	O15211	S589	LDSALESSPSLHSPA	66 / 9 AA	84
Phosphosite 9:	RIMBP2	O15034	S969	DYDPRESSPNVDVEA	55 / 9 AA	116
Phosphosite 10:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S448	RPWEASPSIHILTEV	85 / 7 AA	75
Phosphosite 11:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	S337	RPWEASPSIHILTEI	85 / 7 AA	64
Phosphosite 12:	DNHD1	Q96M86	S122	NTDDWESSPNTQTQV	62 / 8 AA	113
Phosphosite 13:	RIMBP2	O15034	S968	YDYDPRESSPNVDVE	62 / 8 AA	116
Phosphosite 14:	CHD1	O14646	S90	GAEFWKSSPSILAVQ	85 / 7 AA	197
Phosphosite 15:	BAT2D1	Q9Y520	S2260	ARKAWENSPNVREKG	44 / 9 AA	317
Phosphosite 16:	CHD1	O14646	S89	DGAEFWKSSPSILAV	85 / 7 AA	197
Phosphosite 17:	PCM1	Q15154	S1186	FPKPFESSSSIGAEK	75 / 8 AA	228
Phosphosite 18:	PCM1	Q15154	S1185	AFPKPFESSSSIGAE	75 / 8 AA	228
Phosphosite 19:	BAT2L1	Q5JSZ5	S1172	ARKAWENSPSLPEQS	71 / 7 AA	166
Phosphosite 20:	RGL2	O15211	S591	SALESSPSLHSPADP	85 / 7 AA	84