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-F(c)1_Xq21.33 provirus ancestral Env polyprotein
Human P-Site:	S551
P-Site Sequence:	KNRISEVSRVTVNQM
UniProt:	P60507
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HERV-F(c)1_Xq21.33 provirus ancestral Env polyprotein	P60507	S551	KNRISEVSRVTVNQM	100 / 9 AA	65
Phosphosite 1:	GPRC5C	Q9NQ84	S301	FYVIPEVSQVTKSSP	75 / 8 AA	48
Phosphosite 2:	TTN	Q8WZ42	S15593	AAGISEPSRATPPTK	75 / 8 AA	3816
Phosphosite 3:	KIAA0913	A7E2V4	S790	HGYSSEASRLTVELA	75 / 8 AA	197
Phosphosite 4:	MusTRD1	Q9UHL9	S458	EDTSAEVSRATVLDL	75 / 8 AA	106
Phosphosite 5:	HERV-F(c)1_Xq21.33 provirus ancestral Env polyprotein	P60507	S548	KFIKNRISEVSRVTV	100 / 6 AA	65
Phosphosite 6:	GLI1	P08151	S427	GGPIREESRLTVPEG	66 / 9 AA	118
Phosphosite 7:	NMDAR2C	Q14957	S992	GPPLSDVSRVSRRPA	62 / 8 AA	135
Phosphosite 8:	LRRC45	Q96CN5	S570	QERVAEVSRVRVELQ	66 / 9 AA	76
Phosphosite 9:	TBX10	O75333	T66	NPRVSRVTVQLEMKP	100 / 6 AA	42
Phosphosite 10:	C17orf66	A2RTY3	S10	YEKSTDISDVSRSMF	83 / 6 AA	66
Phosphosite 11:	ZBTB17	Q13105	S655	PEEGSEVSVVTVDDM	87 / 8 AA	88
Phosphosite 12:	C17orf66	A2RTY3	S13	STDISDVSRSMFLYP	83 / 6 AA	66
Phosphosite 13:	TBX10	O75333	S63	GPKNPRVSRVTVQLE	100 / 6 AA	42
Phosphosite 14:	IFLTD1	Q8N9Z9	S56	YLSSPQISRVTISTT	50 / 8 AA	43
Phosphosite 15:	CKAP4	Q07065	S198	KQGESEVSRISEVLQ	71 / 7 AA	66
Phosphosite 16:	ATAD3A	Q9NVI7	S337	PSLVRETSRITVLEA	55 / 9 AA	71
Phosphosite 17:	ATAD3B	Q5T9A4	S289	PSLVRETSRITVLEA	55 / 9 AA	73
Phosphosite 18:	ATAD3C	Q5T2N8	S113	PSLVRETSRITVLEA	55 / 9 AA	46
Phosphosite 19:	HEXB	P07686	S434	SAYPEELSRVTASGF	71 / 7 AA	63
Phosphosite 20:	Putative UPF0633 protein LOC554249	Q5XG85	S70	LLPLERISEVPRRAC	83 / 6 AA	11