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:	Y49
P-Site Sequence:	NISIGYHYPPICLGR
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	Y49	NISIGYHYPPICLGR	100 / 9 AA	64
Phosphosite 1:	Endogenous retrovirus group K member 11 Pol protein	Q9UQG0	Y920	NISIGYRYPPICLGR	88 / 9 AA	110
Phosphosite 2:	HERV-K_1q22 provirus ancestral Pol protein	P63135	Y920	NISIGYRYPPICLGR	88 / 9 AA	165
Phosphosite 3:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	Y49	NISIGYRYPPICLGR	88 / 9 AA	67
Phosphosite 4:	HERV-K_5q33.3 provirus ancestral Pol protein	P10266	Y920	NISIGYRYPPICLGR	88 / 9 AA	115
Phosphosite 5:	HERV-K_1p13.3 provirus ancestral Env polyprotein	P61568	Y28	NVTMGYKYPPLCLGH	66 / 9 AA	21
Phosphosite 6:	DNASE2B	Q8WZ79	Y158	IPEEGYDYPPTGRRN	71 / 7 AA	42
Phosphosite 7:	MEPE	Q9NQ76	Y374	QGKVEFHYPPAPSKE	57 / 7 AA	58
Phosphosite 8:	GluR1	P42261	Y228	KNGIGYHYILANLGF	100 / 5 AA	102
Phosphosite 9:	NDRG3	Q9UGV2	Y110	SFPTGYQYPTMDELA	50 / 8 AA	41
Phosphosite 10:	CRYBB1	P53674	Y196	SSGTWVGYQYPGYRG	66 / 6 AA	28
Phosphosite 11:	Crystallin-betaB2	P43320	Y154	QSGTWVGYQYPGYRG	66 / 6 AA	23
Phosphosite 12:	GluR1	P42261	Y226	LEKNGIGYHYILANL	100 / 5 AA	102
Phosphosite 13:	PARP4	Q9UKK3	Y1683	VRRTEGQYPSICPRL	66 / 6 AA	193
Phosphosite 14:	DNASE2B	Q8WZ79	Y156	PPIPEEGYDYPPTGR	71 / 7 AA	42
Phosphosite 15:	KIAA0907	Q7Z7F0	Y597	GWSLGYQYPSSQPRA	57 / 7 AA	65
Phosphosite 16:	KIAA0907	Q7Z7F0	Y595	PQGWSLGYQYPSSQP	57 / 7 AA	65
Phosphosite 17:	C3orf20	Q8ND61	Y337	SQTPGLHYPPTAGAQ	62 / 8 AA	101
Phosphosite 18:	DNAJA3	Q96EY1	Y75	SLTGTKHYPFICTAS	83 / 6 AA	53
Phosphosite 19:	USP32	Q8NFA0	Y1151	DCDDSMGYQYPFTLR	66 / 6 AA	182
Phosphosite 20:	USP32	Q8NFA0	Y1153	DDSMGYQYPFTLRVV	66 / 6 AA	182