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:	CATSPER1
Human P-Site:	S321
P-Site Sequence:	LHGDYVQSTSQLSIP
UniProt:	Q8NEC5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CATSPER1	Q8NEC5	S321	LHGDYVQSTSQLSIP	100 / 9 AA	90
Phosphosite 1:	CATSPER1	Q8NEC5	T322	HGDYVQSTSQLSIPH	100 / 8 AA	90
Phosphosite 2:	CATSPER1	Q8NEC5	S323	GDYVQSTSQLSIPHT	100 / 7 AA	90
Phosphosite 3:	CATSPER1	Q8NEC5	Y318	SSYLHGDYVQSTSQL	100 / 6 AA	90
Phosphosite 4:	OVOS1	Q6IE37	S805	YVLDYLKSTEQLTEE	66 / 9 AA	134
Phosphosite 5:	OVOS2	Q6IE36	S979	YVLDYLKSTEQLTEE	66 / 9 AA	156
Phosphosite 6:	PRPK	Q96S44	S128	TVRDYIQSTMETEKT	62 / 8 AA	28
Phosphosite 7:	ATAD1	Q8NBU5	S317	CVREYVNSTSEESHD	62 / 8 AA	159
Phosphosite 8:	mGluR5	P41594	S1208	IIRDYTQSSSSL___	66 / 9 AA	132
Phosphosite 9:	PRPK	Q96S44	Y125	GSVTVRDYIQSTMET	83 / 6 AA	28
Phosphosite 10:	IK	Q13123	S328	DIGDYVPSTTKTPRD	62 / 8 AA	66
Phosphosite 11:	Death domain-containing protein 1	Q6ZMT9	S487	FYSVQSTSPLIHIQH	85 / 7 AA	102
Phosphosite 12:	Death domain-containing protein 1	Q6ZMT9	T486	TFYSVQSTSPLIHIQ	85 / 7 AA	102
Phosphosite 13:	SDR42E2	A6NKP2	S376	AVELYVQSTTRRPRG	71 / 7 AA	47
Phosphosite 14:	Death domain-containing protein 1	Q6ZMT9	S485	DTFYSVQSTSPLIHI	85 / 7 AA	102
Phosphosite 15:	Kv1.3	P22001	S268	DEKDYPASTSQDSFE	75 / 8 AA	64
Phosphosite 16:	SDR42E2	A6NKP2	T377	VELYVQSTTRRPRGS	71 / 7 AA	47
Phosphosite 17:	ATP5G2	Q06055	S18	PSLVKSTSQLLSRPL	85 / 7 AA	15
Phosphosite 18:	ATP5G2	Q06055	S16	STPSLVKSTSQLLSR	85 / 7 AA	15
Phosphosite 19:	C20orf12	Q9NVP4	S403	WVSDYSQSTSDTIEK	75 / 8 AA	63
Phosphosite 20:	KCNH7	Q9NS40	S254	LYPDMLQSSSQLSHS	66 / 9 AA	135