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:	Y12
P-Site Sequence:	PSFTNDSYQVYNVFS
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	Y12	PSFTNDSYQVYNVFS	100 / 9 AA	55
Phosphosite 1:	ELL2	O00472	Y131	VCATNDSYQMTRERM	85 / 7 AA	72
Phosphosite 2:	HERV-K_16p3.3 provirus ancestral Env polyprotein	Q9NX77	Y15	TNDSYQVYNVFSTNS	100 / 6 AA	55
Phosphosite 3:	TFCP2	Q12800	Y497	KAETNDSYHIILK__	71 / 7 AA	57
Phosphosite 4:	PDE2A	O00408	S706	DHRGTNNSFQVASKS	71 / 7 AA	106
Phosphosite 5:	SYNE2	Q8WXH0	Y2254	HVREHDSYQVCVTDL	71 / 7 AA	796
Phosphosite 6:	SLC9A7	Q96T83	S573	DPPPNNDSFQVLQGD	83 / 6 AA	80
Phosphosite 7:	PBEF	P43490	Y281	VSVVSDSYDIYNACE	62 / 8 AA	56
Phosphosite 8:	KIAA2022	Q5QGS0	Y964	QLPSDDSYQLCHFNN	44 / 9 AA	168
Phosphosite 9:	USP1	O94782	S575	STKPTNDSYGLFAVV	62 / 8 AA	88
Phosphosite 10:	C9orf75	Q4KMQ1	S296	AATSTNDSFEIRPAP	57 / 7 AA	76
Phosphosite 11:	MBD4	O95243	Y545	GKYGNDSYRIFCVNE	57 / 7 AA	66
Phosphosite 12:	C17orf74	Q0P670	Y458	NPGGNANYQVYDSLE	62 / 8 AA	57
Phosphosite 13:	SUOX	P51687	S35	QACSTNDSFQPQRPS	83 / 6 AA	60
Phosphosite 14:	ELL	P55199	S126	TVCATDDSYQKARQS	83 / 6 AA	68
Phosphosite 15:	ELL	P55199	Y127	VCATDDSYQKARQSM	83 / 6 AA	68
Phosphosite 16:	EMILIN2	Q9BXX0	Y314	TMTTNELYQAYVDSK	62 / 8 AA	116
Phosphosite 17:	CTNS	O60931	S85	VPPGVTNSSFQVTSQ	71 / 7 AA	42
Phosphosite 18:	FAM175B	Q15018	Y210	MKDIRAIYQVYNALQ	100 / 5 AA	47
Phosphosite 19:	CTNS	O60931	S86	PPGVTNSSFQVTSQN	71 / 7 AA	42
Phosphosite 20:	IKKa	O15111	Y382	GVRGCDSYMVYLFDK	83 / 6 AA	85