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:	CATSPERB
Human P-Site:	S954
P-Site Sequence:	PITQYPVSLEIINED
UniProt:	Q9H7T0
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CATSPERB	Q9H7T0	S954	PITQYPVSLEIINED	100 / 9 AA	127
Phosphosite 1:	GPR128	Q96K78	S433	KDYQYPKSLDILSNV	66 / 9 AA	89
Phosphosite 2:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	T285	EAWQFPVTLEPMPPG	71 / 7 AA	74
Phosphosite 3:	ERVK6	Q7LDI9	T285	EAWQFPVTLEPMPPG	71 / 7 AA	74
Phosphosite 4:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	T285	EAWQFPVTLEPMPPG	71 / 7 AA	74
Phosphosite 5:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	T285	EAWQFPVTLEPMPPG	71 / 7 AA	74
Phosphosite 6:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	T285	EAWQFPVTLEPMPPG	71 / 7 AA	74
Phosphosite 7:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	T285	EAWQFPVTLEPMPPG	71 / 7 AA	124
Phosphosite 8:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	T285	EAWQFPVTLEPMPPG	71 / 7 AA	74
Phosphosite 9:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	T285	EAWQFPVTLEPMPPG	71 / 7 AA	72
Phosphosite 10:	C2orf53	Q53SZ7	S402	PGPKRPVSLELILQK	85 / 7 AA	45
Phosphosite 11:	POLL	Q9UGP5	S222	ISGHYPTSLEGDCEP	71 / 7 AA	63
Phosphosite 12:	RABGAP1	Q9Y3P9	S295	DIFTFSVSLEIKEDD	71 / 7 AA	122
Phosphosite 13:	DDX3Y	O15523	Y264	RYGRRKQYPISLVLA	83 / 6 AA	73
Phosphosite 14:	DDX3	O00571	Y266	RYGRRKQYPISLVLA	83 / 6 AA	73
Phosphosite 15:	MCL1	Q07820	S178	EDELYRQSLEIISRY	75 / 8 AA	37
Phosphosite 16:	MAP2	P11137	S502	KQDSFPVSLEQAVTD	83 / 6 AA	200
Phosphosite 17:	MARS2	Q96GW9	S196	SGDSFPVSLESGHPV	83 / 6 AA	67
Phosphosite 18:	TEX15	Q9BXT5	S433	KNENEPVSLENIQRD	85 / 7 AA	315
Phosphosite 19:	DDX3Y	O15523	S267	RRKQYPISLVLAPTR	83 / 6 AA	73
Phosphosite 20:	DDX3	O00571	S269	RRKQYPISLVLAPTR	83 / 6 AA	73