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_22q11.21 provirus ancestral Env polyprotein
Human P-Site:	T257
P-Site Sequence:	RDRKPFYTVDLNSSL
UniProt:	P61566
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_22q11.21 provirus ancestral Env polyprotein	P61566	T257	RDRKPFYTVDLNSSL	100 / 9 AA	67
Phosphosite 1:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	T368	RDRKPFYTVDLNSSL	100 / 9 AA	75
Phosphosite 2:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	T257	RYRKPFYTIDLNSIL	88 / 9 AA	64
Phosphosite 3:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	Y367	TRDRKPFYTVDLNSS	100 / 8 AA	75
Phosphosite 4:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	Y256	TRDRKPFYTVDLNSS	100 / 8 AA	67
Phosphosite 5:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	Y256	TRYRKPFYTIDLNSI	87 / 8 AA	64
Phosphosite 6:	HERV-K_1q22 provirus ancestral Pol protein	P63135	Y1127	TRDCKPFYTIDLNSS	87 / 8 AA	165
Phosphosite 7:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	Y256	TRDCKPFYTIDLNSS	87 / 8 AA	67
Phosphosite 8:	C7	P10643	Y649	SHPQKPFYTVGEKVT	85 / 7 AA	94
Phosphosite 9:	PLCG1	P19174	S163	WLRKQFYSVDRNRED	66 / 9 AA	149
Phosphosite 10:	AZIN1	O14977	T67	AQIKPFYTVKCNSAP	77 / 9 AA	50
Phosphosite 11:	C7	P10643	T650	HPQKPFYTVGEKVTV	85 / 7 AA	94
Phosphosite 12:	ZCCHC11	Q5TAX3	Y1620	FQPNKPFYTQDRCAT	85 / 7 AA	185
Phosphosite 13:	RICS	A7KAX9	T867	EKLSPFFTLDLSPTE	62 / 8 AA	231
Phosphosite 14:	ANGPTL6	Q8NI99	T398	HNDKPFSTVDRDRDS	66 / 9 AA	52
Phosphosite 15:	RGSL1	A5PLK6	T41	FGQTPFYTVENSQWS	71 / 7 AA	126
Phosphosite 16:	RGSL1	A5PLK6	Y40	VFGQTPFYTVENSQW	83 / 6 AA	126
Phosphosite 17:	MAGI1	Q96QZ7	T1152	TQEQDFYTVELERGA	71 / 7 AA	165
Phosphosite 18:	ANGPTL6	Q8NI99	S397	WHNDKPFSTVDRDRD	85 / 7 AA	52
Phosphosite 19:	PLCG1	P19174	Y162	RWLRKQFYSVDRNRE	71 / 7 AA	149
Phosphosite 20:	MAGI1	Q96QZ7	Y1151	ATQEQDFYTVELERG	83 / 6 AA	165