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:	S425
P-Site Sequence:	KEQIFEASQAHLSTV
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	S425	KEQIFEASQAHLSTV	100 / 9 AA	55
Phosphosite 1:	4E-BP1	Q13541	S94	DEPPMEASQSHLRNS	75 / 8 AA	12
Phosphosite 2:	4E-BP1	Q13541	S96	PPMEASQSHLRNSPE	85 / 7 AA	12
Phosphosite 3:	TIPARP	Q7Z3E1	S285	WQSVFNDSQEHLERF	55 / 9 AA	76
Phosphosite 4:	SPAG5	Q96R06	S197	EKPIFQESPSHLLEE	55 / 9 AA	134
Phosphosite 5:	DNAH5	Q8TE73	S2476	KEQGGEVSQAHLGRL	85 / 7 AA	529
Phosphosite 6:	NFKBIL2	Q96HA7	S712	STRLPEASQAHVRVS	85 / 7 AA	151
Phosphosite 7:	PHF12	Q96QT6	S413	CNGIPEESQMHLLNS	66 / 9 AA	110
Phosphosite 8:	EMR1	Q14246	S206	CNPGFESSSGHLSFQ	62 / 8 AA	98
Phosphosite 9:	EMR1	Q14246	S207	NPGFESSSGHLSFQG	62 / 8 AA	98
Phosphosite 10:	MLLT1	Q03111	S394	SDSDFEPSQNHSQGP	71 / 7 AA	62
Phosphosite 11:	BAZ2B	Q9UIF8	S361	LPFIFQSSQAKEESV	71 / 7 AA	220
Phosphosite 12:	HMBOX1	Q6NT76	S152	RSYSFEASEEDLDVD	62 / 8 AA	47
Phosphosite 13:	B3GNT5	Q9BYG0	S272	AAKVYEASQTLNSSL	57 / 7 AA	44
Phosphosite 14:	CSGALNACT2	Q8N6G5	S512	SKAMNEASHSHLGML	71 / 7 AA	63
Phosphosite 15:	MYH15	Q9Y2K3	S1084	SMENLESSQRHLAEE	62 / 8 AA	225
Phosphosite 16:	HSFX1	Q9UBD0	S302	AGEWSEGSQAHVTPV	71 / 7 AA	47
Phosphosite 17:	FAM21C	Q9Y4E1	S631	DQWNIPASQTHLASD	62 / 8 AA	145
Phosphosite 18:	FAM21A	Q641Q2	S631	DQWNIPASQTHLASD	62 / 8 AA	147
Phosphosite 19:	FAM21B	Q5SNT6	S543	DQWNIPASQTHLASD	62 / 8 AA	137
Phosphosite 20:	CCNF	P41002	S290	VCQLFQASQAVSKQQ	71 / 7 AA	88