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:	SLC43A3
Human P-Site:	Y215
P-Site Sequence:	MPRGHIPYPLPPNYS
UniProt:	Q8NBI5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SLC43A3	Q8NBI5	Y215	MPRGHIPYPLPPNYS	100 / 9 AA	55
Phosphosite 1:	SEMA3C	Q99985	Y372	SYQGRIPYPRPGTCP	75 / 8 AA	85
Phosphosite 2:	SEMA3D	O95025	Y392	QYDGRIPYPRPGTCP	75 / 8 AA	90
Phosphosite 3:	ERAP1	Q9NZ08	Y301	EDYFSIPYPLPKQDL	100 / 6 AA	107
Phosphosite 4:	RAI17	Q9ULJ6	Y872	LGPGPSPYPLPPPPG	77 / 9 AA	115
Phosphosite 5:	SQLE	Q14534	Y210	KSEVQIPYPLSENNQ	71 / 7 AA	64
Phosphosite 6:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	Y243	APQGREPYPQPPTRR	66 / 9 AA	72
Phosphosite 7:	NPEPPS	P55786	Y300	KDYFNVPYPLPKIDL	71 / 7 AA	103
Phosphosite 8:	NPEPPSL1	A6NEC2	Y300	KDYFNVPYPLPKIDL	71 / 7 AA	54
Phosphosite 9:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	Y243	APQGRAPYPQPPTRR	66 / 9 AA	74
Phosphosite 10:	ERVK5	Q9HDB9	Y243	ALQGRAPYPQPPTVR	66 / 9 AA	74
Phosphosite 11:	ERVK6	Q7LDI9	Y243	APQGRAPYPQPPTRR	66 / 9 AA	74
Phosphosite 12:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	Y243	APQGRAPYPQPPTRR	66 / 9 AA	74
Phosphosite 13:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	Y243	APQGRAPYPQPPTRR	66 / 9 AA	74
Phosphosite 14:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	Y243	APQGRAPYPQPPTRR	66 / 9 AA	124
Phosphosite 15:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	Y243	APQGRAPYPQPPTRR	66 / 9 AA	74
Phosphosite 16:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	Y243	APQGRAPYPQPPTRR	66 / 9 AA	74
Phosphosite 17:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	Y243	APQGRAPYPQPPTRR	66 / 9 AA	74
Phosphosite 18:	FBXO15	Q8NCQ5	Y258	LGSATIPYELPPHSP	85 / 7 AA	49
Phosphosite 19:	NDUFB2	O95178	Y86	EVLGHFPYPDPSQWT	75 / 8 AA	12
Phosphosite 20:	Lck	P06239	Y441	VTHGRIPYPGMTNPE	83 / 6 AA	58