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_5q33.3 provirus ancestral Pol protein
Human P-Site:	Y435
P-Site Sequence:	VGLIDNHYPKTKIFQ
UniProt:	P10266
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_5q33.3 provirus ancestral Pol protein	P10266	Y435	VGLIDNHYPKTKIFQ	100 / 9 AA	115
Phosphosite 1:	ERVK6	Q9WJR5	Y438	VGIIDNHYPKTKIFQ	100 / 9 AA	108
Phosphosite 2:	Endogenous retrovirus group K member 11 Pol protein	Q9UQG0	Y435	VGIIDNHYPKTKIFQ	100 / 9 AA	110
Phosphosite 3:	HERV-K_1q23.3 provirus ancestral Pol protein	Q9QC07	Y435	VGIIDNHYPKTKIFQ	100 / 9 AA	92
Phosphosite 4:	ERVK6	Q9BXR3	Y435	VGIIDNHYPKTKIFQ	100 / 9 AA	108
Phosphosite 5:	HERV-K_11q22.1 provirus ancestral Pol protein	P63136	Y435	VGIIDNHYPKTKIFQ	100 / 9 AA	107
Phosphosite 6:	HERV-K_1q22 provirus ancestral Pol protein	P63135	Y435	VGIIDNHYPKTKIFQ	100 / 9 AA	165
Phosphosite 7:	HERV-K_8p23.1 provirus ancestral Pol protein	P63133	Y435	VGIIDNHYPKTKIFQ	100 / 9 AA	108
Phosphosite 8:	HERV-K_19p13.11 provirus ancestral Pol protein	P63132	Y435	VGIIDNHYPKTKIFQ	100 / 9 AA	108
Phosphosite 9:	NCAPH	Q15003	Y635	VNKIEIHYAKTAKKM	62 / 8 AA	83
Phosphosite 10:	DUS2L	Q9NX74	Y278	AVQYDNHYTNTKYCL	75 / 8 AA	55
Phosphosite 11:	MGAT4A	Q9UM21	Y164	HSLIDNLYPEEKLDC	66 / 9 AA	62
Phosphosite 12:	CAPZA3	Q96KX2	Y133	KLYVNDHYPKGNCNM	57 / 7 AA	35
Phosphosite 13:	CORO2A	Q92828	Y75	TGKLDPHYPKVCGHR	62 / 8 AA	60
Phosphosite 14:	WDR68	P61962	Y69	RNTFDHPYPTTKLMW	55 / 9 AA	39
Phosphosite 15:	EIF4G2	P78344	T32	APQHYPKTAGNSEFL	100 / 5 AA	102
Phosphosite 16:	SSH3	Q8TE77	Y369	AREIDNFYPERFTYH	83 / 6 AA	73
Phosphosite 17:	GAD2	Q05329	Y137	TKVIDFHYPNELLQE	71 / 7 AA	65
Phosphosite 18:	TTN	Q8WZ42	Y20610	SDVPDKHYPKDILIP	83 / 6 AA	3816
Phosphosite 19:	EIF4G2	P78344	Y29	SRGAPQHYPKTAGNS	100 / 5 AA	102
Phosphosite 20:	C22orf24	Q9Y442	Y91	QSHREHHYAKTSSHS	57 / 7 AA	18