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 Pro protein
Human P-Site:	T109
P-Site Sequence:	AEITMTATLYSPMSQ
UniProt:	P63123
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 Pro protein	P63123	T109	AEITMTATLYSPMSQ	100 / 9 AA	17
Phosphosite 1:	KCNU1	A8MYU2	T1084	TIDSVTETLYSPVYS	66 / 9 AA	130
Phosphosite 2:	ADAMDEC1	O15204	Y107	PDYTETLYSPRGEEI	85 / 7 AA	53
Phosphosite 3:	ADAMDEC1	O15204	T105	LGPDYTETLYSPRGE	85 / 7 AA	53
Phosphosite 4:	CCDC51	Q96ER9	T35	RDLFMTRTLCSPGPS	75 / 8 AA	46
Phosphosite 5:	KCNU1	A8MYU2	Y1086	DSVTETLYSPVYSYQ	85 / 7 AA	130
Phosphosite 6:	HERV-K_1q23.3 provirus ancestral Pro protein	P63123	S112	TMTATLYSPMSQKIM	100 / 6 AA	17
Phosphosite 7:	VWA5B2	Q8N398	T133	AAGTMTVTLHSSREL	66 / 9 AA	133
Phosphosite 8:	MUC4	Q99102	S99	TLTQMMTSTLFSSPS	71 / 7 AA	232
Phosphosite 9:	SAMD9L	Q8IVG5	T1053	VYGDETDTLFSPLME	71 / 7 AA	184
Phosphosite 10:	C13orf31	Q8IV20	T87	SCPSMAATLYTIKQK	62 / 8 AA	48
Phosphosite 11:	PKP4	Q99569	Y126	EPEQGTLYSPEQTSL	83 / 6 AA	134
Phosphosite 12:	ANKRD33B	A6NCL7	T313	DHMVRMTTSLYSPAV	71 / 7 AA	54
Phosphosite 13:	SEMA6D	Q8NFY4	S928	KVPNREASLYSPPST	55 / 9 AA	120
Phosphosite 14:	PKP4	Q99569	S127	PEQGTLYSPEQTSLH	83 / 6 AA	134
Phosphosite 15:	SETD5	Q9C0A6	T1230	SALSKGATVYSPSRY	55 / 9 AA	158
Phosphosite 16:	TMEM189	A5PLL7	S39	RELAALYSPGKRLQE	83 / 6 AA	31
Phosphosite 17:	CCDC21	Q6P2H3	T196	NQSAMMETLYSDPHH	62 / 8 AA	86
Phosphosite 18:	SEMA6D	Q8NFY4	Y930	PNREASLYSPPSTLP	83 / 6 AA	120
Phosphosite 19:	MTMR13	Q86WG5	T1731	GVERRAATLYSQYTS	62 / 8 AA	208
Phosphosite 20:	TIMM23B	Q5SRD1	T164	TVAAGTMTGMLYKCT	71 / 7 AA	28