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:	S251
P-Site Sequence:	GETISPHSSVGSYQR
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	S251	GETISPHSSVGSYQR	100 / 9 AA	90
Phosphosite 1:	CATSPER1	Q8NEC5	S252	ETISPHSSVGSYQRG	100 / 8 AA	90
Phosphosite 2:	ROR2	Q01974	S572	LVMRSPHSDVGSTDD	87 / 8 AA	105
Phosphosite 3:	MARCH-X	Q8NA82	S464	GRPISPRSSVNSSYN	77 / 9 AA	91
Phosphosite 4:	NAV1	Q8NEY1	S1195	LNSITSHSSIGSSKD	66 / 9 AA	202
Phosphosite 5:	ROR1	Q01973	S571	LIMRSPHSDVGCSSD	75 / 8 AA	104
Phosphosite 6:	ZNF148	Q9UQR1	S371	YAVEMPHSSVGGSHL	85 / 7 AA	89
Phosphosite 7:	SAMD4	Q9UPU9	S295	HAPLSPQSSVASSGS	66 / 9 AA	59
Phosphosite 8:	SAMD4B	Q5PRF9	S274	HAPLSPQSSVASSGS	66 / 9 AA	75
Phosphosite 9:	ZNF148	Q9UQR1	S372	AVEMPHSSVGGSHLE	100 / 6 AA	89
Phosphosite 10:	ANKS6	Q68DC2	S638	FNHSPHSSGGSSGVG	87 / 8 AA	92
Phosphosite 11:	ANKS6	Q68DC2	S637	NFNHSPHSSGGSSGV	87 / 8 AA	92
Phosphosite 12:	CATSPER1	Q8NEC5	S248	PHHGETISPHSSVGS	100 / 6 AA	90
Phosphosite 13:	ATG2B	Q96BY7	S1579	SPAKSYISPHSSPSH	100 / 6 AA	233
Phosphosite 14:	DENND4C	Q5VZ89	S1101	VRSSPHGSLGSVVNS	75 / 8 AA	187
Phosphosite 15:	ADRBK2	P35626	S350	SKKKPHASVGTHGYM	71 / 7 AA	80
Phosphosite 16:	GRK2	P25098	S350	SKKKPHASVGTHGYM	71 / 7 AA	80
Phosphosite 17:	LPHN2	O95490	S1115	LPTESPHSSVKASTT	100 / 6 AA	163
Phosphosite 18:	CAND2	O75155	S836	DARSPHSSTGVKVLA	85 / 7 AA	135
Phosphosite 19:	LPHN2	O95490	S1116	PTESPHSSVKASTTR	100 / 6 AA	163
Phosphosite 20:	MRI	Q9BWK5	T102	PCSVSPHTSSGSSSE	66 / 9 AA	17