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_1q23.3 provirus ancestral Env polyprotein
Human P-Site:	S335
P-Site Sequence:	TDRPWEASPSIHILT
UniProt:	O42043
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_1q23.3 provirus ancestral Env polyprotein	O42043	S335	TDRPWEASPSIHILT	100 / 9 AA	64
Phosphosite 1:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S446	MDRPWEASPSIHILT	100 / 9 AA	75
Phosphosite 2:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S1206	MDRPWEASPSVHILT	88 / 9 AA	165
Phosphosite 3:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S335	MDRPWEASPSVHILT	88 / 9 AA	67
Phosphosite 4:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S335	MDRPWEASPSVHILT	88 / 9 AA	67
Phosphosite 5:	HERV-K_16p3.3 provirus ancestral Env polyprotein	Q9NX77	S270	LHRPWESSPSIHIVN	88 / 9 AA	55
Phosphosite 6:	C14orf143	Q9BUY7	S16	RSRTWEASPSEHRKW	87 / 8 AA	19
Phosphosite 7:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S448	RPWEASPSIHILTEV	100 / 7 AA	75
Phosphosite 8:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	S337	RPWEASPSIHILTEI	100 / 7 AA	64
Phosphosite 9:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S1208	RPWEASPSVHILTEV	85 / 7 AA	165
Phosphosite 10:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S337	RPWEASPSVHILTEV	85 / 7 AA	67
Phosphosite 11:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S337	RPWEASPSVHILTEV	85 / 7 AA	67
Phosphosite 12:	TSHZ2	Q9NRE2	Y541	GAPSWSAYPSIHAAY	75 / 8 AA	115
Phosphosite 13:	DOK3	Q7L591	S407	NLCVLEASPTLHGGE	62 / 8 AA	53
Phosphosite 14:	HERV-K_16p3.3 provirus ancestral Env polyprotein	Q9NX77	S272	RPWESSPSIHIVNEV	85 / 7 AA	55
Phosphosite 15:	ABCA9	Q8IUA7	S897	KSYPWELSPNTYFLS	55 / 9 AA	184
Phosphosite 16:	Rab5B	P61020	S123	KELQRQASPSIVIAL	71 / 7 AA	24
Phosphosite 17:	RTN1	Q16799	S446	GPPPSPASPSIQYSI	66 / 9 AA	84
Phosphosite 18:	EGR4	Q05215	S162	PEAFWEASPCAGAPS	83 / 6 AA	51
Phosphosite 19:	BTBD12	Q8IY92	S1028	RLAPWQASPPHPCRF	83 / 6 AA	200
Phosphosite 20:	DOK3	Q7L591	T409	CVLEASPTLHGGEPE	71 / 7 AA	53