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:	S248
P-Site Sequence:	PHHGETISPHSSVGS
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	S248	PHHGETISPHSSVGS	100 / 9 AA	90
Phosphosite 1:	CATSPER1	Q8NEC5	T246	KSPHHGETISPHSSV	100 / 7 AA	90
Phosphosite 2:	SPAG9	O60271	S1238	AVPGQVISPQSSSSG	66 / 9 AA	146
Phosphosite 3:	DENND4C	Q5VZ89	S1177	HILGENISPNTSISG	66 / 9 AA	187
Phosphosite 4:	MVP	Q14764	S873	PSPGEGISPQSAQAP	66 / 9 AA	99
Phosphosite 5:	CSTF2	P33240	S120	SPYGETISPEDAPES	100 / 6 AA	61
Phosphosite 6:	CSTF2	P33240	T118	IESPYGETISPEDAP	100 / 6 AA	61
Phosphosite 7:	DBF4	Q9UBU7	S118	AYTAETTSPHPSHDG	66 / 9 AA	77
Phosphosite 8:	KIAA0922	A2VDJ0	S924	NGPMDVISPHSYKSN	71 / 7 AA	179
Phosphosite 9:	CORL2	Q2VWA4	S926	EHTQETNSPHSLKKD	85 / 7 AA	104
Phosphosite 10:	ATG2B	Q96BY7	S1579	SPAKSYISPHSSPSH	100 / 6 AA	233
Phosphosite 11:	CATSPER1	Q8NEC5	S251	GETISPHSSVGSYQR	100 / 6 AA	90
Phosphosite 12:	KIAA1549	Q9HCM3	S262	QSLEETISPRTYPTV	71 / 7 AA	203
Phosphosite 13:	ZNF384	Q8TF68	T313	HSKMHTETIKPHKCP	83 / 6 AA	63
Phosphosite 14:	KIAA1549	Q9HCM3	T260	LSQSLEETISPRTYP	83 / 6 AA	203
Phosphosite 15:	GBGT1	Q8N5D6	T186	TSMRRMETISQHIAK	83 / 6 AA	40
Phosphosite 16:	GIDRP88	Q7Z5L2	S450	CSDIYGESISSHFTE	71 / 7 AA	88
Phosphosite 17:	ATG2B	Q96BY7	S1582	KSYISPHSSPSHTPT	100 / 6 AA	233
Phosphosite 18:	DBF4	Q9UBU7	T116	ESAYTAETTSPHPSH	71 / 7 AA	77
Phosphosite 19:	GBGT1	Q8N5D6	S188	MRRMETISQHIAKRA	83 / 6 AA	40
Phosphosite 20:	ULK2	Q8IYT8	S393	GQCQPTVSPHSETAP	83 / 6 AA	113