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:	S633
P-Site Sequence:	LLTLDDWSLIYMDSR
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	S633	LLTLDDWSLIYMDSR	100 / 9 AA	90
Phosphosite 1:	CATSPER1	Q8NEC5	Y636	LDDWSLIYMDSRAQG	100 / 6 AA	90
Phosphosite 2:	TTBK2	Q6IQ55	S211	GRHDDLWSLFYMLVE	83 / 6 AA	137
Phosphosite 3:	GATM	P50440	S150	RPDPIDWSLKYKTPD	71 / 7 AA	48
Phosphosite 4:	PCSK6	P29122	S626	QGKLKEWSLILYGTA	71 / 7 AA	106
Phosphosite 5:	KLHL23	Q8NBE8	S447	NSDINEWSLITSSPH	57 / 7 AA	64
Phosphosite 6:	KIAA0133	Q14146	T513	PPSQILDTWSLVLEK	71 / 7 AA	171
Phosphosite 7:	Spry3	O43610	S54	QTHKSDWSLATMPTS	71 / 7 AA	31
Phosphosite 8:	PIGT	Q969N2	S259	GQGKKDWSLFRMFSR	71 / 7 AA	66
Phosphosite 9:	KIAA0133	Q14146	S515	SQILDTWSLVLEKFQ	71 / 7 AA	171
Phosphosite 10:	URB1	O60287	S1986	LVLLHKWSLIERDLK	71 / 7 AA	254
Phosphosite 11:	ATG4C	Q96DT6	Y343	FQDDSLIYMDPHYCQ	100 / 5 AA	52
Phosphosite 12:	sciellin	O95171	Y295	KSLESLIYMSTRTDK	100 / 5 AA	78
Phosphosite 13:	PRR3	P79522	S135	RNPRRLKSWSLIKNT	71 / 7 AA	21
Phosphosite 14:	sciellin	O95171	S292	KRAKSLESLIYMSTR	100 / 5 AA	78
Phosphosite 15:	RAPGEF2	Q9Y4G8	S172	NDGEELDSWSVILNG	71 / 7 AA	167
Phosphosite 16:	RAPGEF2	Q9Y4G8	S174	GEELDSWSVILNGSV	71 / 7 AA	167
Phosphosite 17:	PRR3	P79522	S137	PRRLKSWSLIKNTCP	71 / 7 AA	21
Phosphosite 18:	KHS1	Q9Y4K4	S60	LEPGDDFSLIQQEIF	83 / 6 AA	95
Phosphosite 19:	C1orf87	Q8N0U7	S148	RRKLRDWSLEQMVRG	66 / 9 AA	62
Phosphosite 20:	EBI3	Q14213	S218	YGELSDWSLPATATM	83 / 6 AA	25