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:	KBTBD4
Human P-Site:	S264
P-Site Sequence:	LHCAEDDSISVSGQN
UniProt:	Q9NVX7
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	KBTBD4	Q9NVX7	S264	LHCAEDDSISVSGQN	100 / 9 AA	58
Phosphosite 1:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S101	PFQTEEDSISVSDAP	77 / 9 AA	74
Phosphosite 2:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S101	PFQTEEDSISVSDAP	77 / 9 AA	124
Phosphosite 3:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S101	PFQTEEDSISVSDAP	77 / 9 AA	74
Phosphosite 4:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S101	PFQTEEDSISVSDAP	77 / 9 AA	72
Phosphosite 5:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S101	PFQTEEDSISVSDAP	77 / 9 AA	74
Phosphosite 6:	KBTBD4	Q9NVX7	S266	CAEDDSISVSGQNSL	100 / 7 AA	58
Phosphosite 7:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	S101	PFQTEEDSVSVSDAP	66 / 9 AA	74
Phosphosite 8:	ERVK6	Q7LDI9	S101	PFQTEEDSVSVSDAP	66 / 9 AA	74
Phosphosite 9:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S101	PFQTEEDSVSVSDAP	66 / 9 AA	74
Phosphosite 10:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S101	PFQTEEDSVSVSDAP	66 / 9 AA	74
Phosphosite 11:	CLUAP1	Q96AJ1	S388	DDDLEDESISLSPTK	75 / 8 AA	48
Phosphosite 12:	SLAIN1	Q8ND83	S261	TSELEDDSISMGYKL	75 / 8 AA	61
Phosphosite 13:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	S101	PFQTEKDSVSVSDAL	66 / 9 AA	74
Phosphosite 14:	EFHC1	Q5JVL4	S130	YYYLEDDSMSVIEPV	85 / 7 AA	74
Phosphosite 15:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S103	QTEEDSISVSDAPGS	85 / 7 AA	74
Phosphosite 16:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S103	QTEEDSISVSDAPGS	85 / 7 AA	124
Phosphosite 17:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S103	QTEEDSISVSDAPGS	85 / 7 AA	74
Phosphosite 18:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S103	QTEEDSISVSDAPGS	85 / 7 AA	72
Phosphosite 19:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S103	QTEEDSISVSDAPGS	85 / 7 AA	74
Phosphosite 20:	NIBP	Q96Q05	S814	DLSDDGISVSGFPLS	85 / 7 AA	129