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:	S173
P-Site Sequence:	GQTQSCPSAQVSPAV
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	S173	GQTQSCPSAQVSPAV	100 / 9 AA	67
Phosphosite 1:	ERVK5	Q9HDB8	S173	GQTQSCPSAQVSPAV	100 / 9 AA	28
Phosphosite 2:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S1044	GQTQSCPSAQVSPAV	100 / 9 AA	165
Phosphosite 3:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S284	GQTQSCPSAQVSPAV	100 / 9 AA	75
Phosphosite 4:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S173	GQTQSCPSAQVSPAV	100 / 9 AA	67
Phosphosite 5:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	S173	GQTQSCPSAQVSPAV	100 / 9 AA	64
Phosphosite 6:	ERVK5	Q9HDB8	S170	NCSGQTQSCPSAQVS	100 / 6 AA	28
Phosphosite 7:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S1041	NCSGQTQSCPSAQVS	100 / 6 AA	165
Phosphosite 8:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S281	NCSGQTQSCPSAQVS	100 / 6 AA	75
Phosphosite 9:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S170	NCSGQTQSCPSAQVS	100 / 6 AA	67
Phosphosite 10:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S170	NCSGQTQSCPSAQVS	100 / 6 AA	67
Phosphosite 11:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	S170	NCSGQTQSCPSAQVS	100 / 6 AA	64
Phosphosite 12:	NCOR1	O75376	S2086	STFQNSPSALVSTPV	66 / 9 AA	270
Phosphosite 13:	C16orf90	A8MZG2	S38	SPQPQCPSAQGSKPK	85 / 7 AA	18
Phosphosite 14:	C5orf22	Q49AR2	S409	SLDDYCPSDQVDTIQ	83 / 6 AA	50
Phosphosite 15:	OSBPL3	Q9H4L5	S374	QDASSSPSAQVIGLK	85 / 7 AA	101
Phosphosite 16:	USP34	Q70CQ2	S779	DDVSCSSSQVSAKSE	75 / 8 AA	404
Phosphosite 17:	USP34	Q70CQ2	S778	ADDVSCSSSQVSAKS	75 / 8 AA	404
Phosphosite 18:	MSH4	O15457	S44	ETPQSRPSVQVVSAS	75 / 8 AA	105
Phosphosite 19:	RNF214	Q8ND24	S639	STPMFLPSAQVSYPG	100 / 6 AA	78
Phosphosite 20:	PSMA1	P25786	S150	HIFQTCPSANYFDCR	83 / 6 AA	30