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:	T249
P-Site Sequence:	SGNQTLETRDRKPFY
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	T249	SGNQTLETRDRKPFY	100 / 9 AA	67
Phosphosite 1:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	T360	SGNQTLETRDRKPFY	100 / 9 AA	75
Phosphosite 2:	HERV-K_1q22 provirus ancestral Pol protein	P63135	T1120	SGNQTLETRDCKPFY	88 / 9 AA	165
Phosphosite 3:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	T249	SGNQTLETRDCKPFY	88 / 9 AA	67
Phosphosite 4:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	T249	SGNQTLETRYRKPFY	88 / 9 AA	64
Phosphosite 5:	ZNF586	Q9NXT0	T173	LQRQTLHTRERPYEC	75 / 8 AA	46
Phosphosite 6:	COPS5	Q92905	T291	SFMLGLETHDRKSED	85 / 7 AA	38
Phosphosite 7:	PMPCA	Q10713	T456	VGRQVLATRSRKLPH	66 / 9 AA	58
Phosphosite 8:	PLEKHG4B	Q96PX9	S713	EPTQTLASRPRKHPQ	66 / 9 AA	140
Phosphosite 9:	FAM190A	Q9C0I3	S752	RIVSQNLSTRDRKAI	75 / 8 AA	100
Phosphosite 10:	HERV-K_1q22 provirus ancestral Pol protein	P63135	T1117	RIWSGNQTLETRDCK	100 / 6 AA	165
Phosphosite 11:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	T357	RIWSGNQTLETRDRK	100 / 6 AA	75
Phosphosite 12:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	T246	RIWSGNQTLETRDCK	100 / 6 AA	67
Phosphosite 13:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	T246	RIWSGNQTLETRDRK	100 / 6 AA	67
Phosphosite 14:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	T246	RIWSGNQTLETRYRK	100 / 6 AA	64
Phosphosite 15:	RG9MTD2	Q8TBZ6	T261	IILEYLETRDWQEAF	62 / 8 AA	40
Phosphosite 16:	NXPH2	O95156	T179	SPQSTLETKESKSFN	62 / 8 AA	30
Phosphosite 17:	ZNF747	Q9BV97	T166	RTQQIPETRKRKDKG	66 / 9 AA	21
Phosphosite 18:	TRIM13	O60858	S167	RLDTLETSKRKSLQL	75 / 8 AA	47
Phosphosite 19:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	Y251	NQTLETRYRKPFYTI	85 / 7 AA	64
Phosphosite 20:	MGAM	O43451	S1452	PYMPHLESRDRGLSS	83 / 6 AA	210