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_16p3.3 provirus ancestral Env polyprotein
Human P-Site:	S262
P-Site Sequence:	EGVWIPVSLHRPWES
UniProt:	Q9NX77
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_16p3.3 provirus ancestral Env polyprotein	Q9NX77	S262	EGVWIPVSLHRPWES	100 / 9 AA	55
Phosphosite 1:	SPNS2	Q8IVW8	Y339	LGMWIPLYLHRAQVV	66 / 9 AA	58
Phosphosite 2:	KIAA1109	Q2LD37	S2161	TPAFKGVSLHRPAQP	66 / 9 AA	555
Phosphosite 3:	IL9R	Q01113	S417	QEDWAPTSLTRPAPP	66 / 9 AA	57
Phosphosite 4:	DOK2	O60496	S263	QPATIPASLPRPDSP	75 / 8 AA	46
Phosphosite 5:	TRIM6	Q9C030	T482	CNCVIPMTLRRPSS_	62 / 8 AA	56
Phosphosite 6:	RAPGEF2	Q9Y4G8	S1166	SFDSVPVSLHDERRQ	71 / 7 AA	167
Phosphosite 7:	EGF	P01133	S1151	QGCWIPVSSDKGSCP	62 / 8 AA	134
Phosphosite 8:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	T328	GMWIPVSTDRPWEAS	75 / 8 AA	64
Phosphosite 9:	ECD	O95905	S205	YPEKIQASLHRAHCF	62 / 8 AA	73
Phosphosite 10:	BTBD17	A6NE02	S368	SPRWLPVSLRPVYAD	71 / 7 AA	52
Phosphosite 11:	CENTG1	Q99490	S638	AGLSTPGSLHRAAKR	55 / 9 AA	125
Phosphosite 12:	DGCR8	Q8WYQ5	Y319	HNSGVPVYLHRESRV	71 / 7 AA	86
Phosphosite 13:	AHDC1	Q5TGY3	S484	KMAKIPVSLGRRNKT	85 / 7 AA	168
Phosphosite 14:	TINAGL1	Q9GZM7	S387	IYSHTPVSLGRPERY	66 / 9 AA	52
Phosphosite 15:	COPA	P53621	S27	KRPWILTSLHNGVIQ	71 / 7 AA	138
Phosphosite 16:	RPGRIP1	Q96KN7	S1161	SETETPVSLRKPRAG	62 / 8 AA	147
Phosphosite 17:	SNX31	Q8N9S9	S10	MHFCIPVSQQRSDAL	62 / 8 AA	51
Phosphosite 18:	DMXL1	Q9Y485	S895	HLKSIPVSLDEKVDT	71 / 7 AA	338
Phosphosite 19:	SH3PXD2A	Q5TCZ1	S1056	QRNSIPVSPVRPKPI	66 / 9 AA	125
Phosphosite 20:	COPA	P53621	T26	PKRPWILTSLHNGVI	71 / 7 AA	138