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:	Y256
P-Site Sequence:	PHSSVGSYQRGISDY
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	Y256	PHSSVGSYQRGISDY	100 / 9 AA	90
Phosphosite 1:	CATSPER1	Q8NEC5	S255	SPHSSVGSYQRGISD	100 / 8 AA	90
Phosphosite 2:	PSMB1	P20618	S157	YSFDPVGSYQRDSFK	75 / 8 AA	26
Phosphosite 3:	PSMB1	P20618	Y158	SFDPVGSYQRDSFKA	75 / 8 AA	26
Phosphosite 4:	ATR	Q13535	S1843	AASFERGSYQRGYEY	100 / 6 AA	301
Phosphosite 5:	DGKK	Q5KSL6	Y422	CHESCGSYQRLQDFR	85 / 7 AA	142
Phosphosite 6:	ATR	Q13535	Y1844	ASFERGSYQRGYEYI	100 / 6 AA	301
Phosphosite 7:	PACSIN1	Q9BY11	Y350	DRGSVSSYDRGQPYA	75 / 8 AA	51
Phosphosite 8:	PACSIN1	Q9BY11	S349	GDRGSVSSYDRGQPY	75 / 8 AA	51
Phosphosite 9:	FBXW10	Q5XX13	T337	TFLQGSYTRGIDPNY	85 / 7 AA	120
Phosphosite 10:	SLC36A1	Q7Z2H8	S37	NNLSSPGSYQRFGQS	85 / 7 AA	53
Phosphosite 11:	SLC36A1	Q7Z2H8	Y38	NLSSPGSYQRFGQSN	85 / 7 AA	53
Phosphosite 12:	FAM166A	Q6J272	S198	QETLDVGSFQRLPQL	83 / 6 AA	36
Phosphosite 13:	CHST14	Q8NCH0	S298	VHYDFVGSYERLEAD	83 / 6 AA	43
Phosphosite 14:	CHST14	Q8NCH0	Y299	HYDFVGSYERLEADA	83 / 6 AA	43
Phosphosite 15:	TEAD2	Q15562	S245	EPPDAVDSYQRHLFV	71 / 7 AA	49
Phosphosite 16:	TEAD2	Q15562	Y246	PPDAVDSYQRHLFVH	71 / 7 AA	49
Phosphosite 17:	FAM27D1	Q5T7N8	Y131	RDTHTASYRRGIETH	62 / 8 AA	25
Phosphosite 18:	MAD2L1	Q13257	Y33	FGINSILYQRGIYPS	100 / 5 AA	24
Phosphosite 19:	Wnk3	Q9BYP7	S1284	RCKAMSGSFQRGRFQ	83 / 6 AA	192
Phosphosite 20:	Pmf1	Q6P1K2	Y55	KLVAAGSYQRFTDCY	71 / 7 AA	23