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:	S748
P-Site Sequence:	HYLQLVASVEQEQQK
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	S748	HYLQLVASVEQEQQK	100 / 9 AA	90
Phosphosite 1:	DPP3	Q9NY33	S349	KFERLVASAEQLLKE	75 / 8 AA	83
Phosphosite 2:	Fascin	Q16658	S366	KNGQLAASVETAGDS	85 / 7 AA	55
Phosphosite 3:	A6r	Q6IBS0	S282	CKSRLLDSVEQDFHL	55 / 9 AA	40
Phosphosite 4:	PSMA2	P25787	S116	QLVQRVASVMQEYTQ	77 / 9 AA	26
Phosphosite 5:	SYNE2	Q8WXH0	S4908	EGKQLVASVSCPELE	100 / 6 AA	796
Phosphosite 6:	UBR4	Q5T4S7	S55	ELPQLVASVIESESE	100 / 6 AA	574
Phosphosite 7:	EPC1	Q9H2F5	S193	RGPSLIPSVKQEKRD	62 / 8 AA	93
Phosphosite 8:	PLEC1	Q15149	S2688	ERQRLVASMEEARRR	62 / 8 AA	532
Phosphosite 9:	DUXA	A6NLW8	S167	RKREPVASLEQEEQG	85 / 7 AA	24
Phosphosite 10:	TTBK1	Q5TCY1	S517	GRMDVSASVEQEALS	100 / 6 AA	143
Phosphosite 11:	CCDC123	Q96ST8	S83	RSESDVSSVEQDSFI	71 / 7 AA	89
Phosphosite 12:	KIAA1117	Q5JWR5	S1748	QYHQLLVSVDQKHLF	62 / 8 AA	277
Phosphosite 13:	CACNA1S	Q13698	T236	IGTDIVATVENEEPS	55 / 9 AA	212
Phosphosite 14:	HUNK	P57058	S172	RYIRQLISAVEHLHR	50 / 8 AA	80
Phosphosite 15:	EMILIN1	Q9Y6C2	S332	AMEKLLASVEERQRH	62 / 8 AA	107
Phosphosite 16:	PASD1	Q8IV76	S313	FSVDQVDSVDQEGPM	71 / 7 AA	87
Phosphosite 17:	PPP1R2P3	Q6NXS1	S28	TTSSMVASAEQPRRS	71 / 7 AA	23
Phosphosite 18:	PPP1R2	P41236	S28	TTSSMVASAEQPRGN	71 / 7 AA	23
Phosphosite 19:	INTS2	Q9H0H0	T445	AFSTLVSTPEQEQLM	62 / 8 AA	134
Phosphosite 20:	BSDC1	Q9NW68	T266	PCEENLVTSVEPPAE	71 / 7 AA	47