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:	CATSPER2
Human P-Site:	S435
P-Site Sequence:	SKTEETLSKKREYQS
UniProt:	Q96P56
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CATSPER2	Q96P56	S435	SKTEETLSKKREYQS	100 / 9 AA	62
Phosphosite 1:	CCDC128	Q6ZMI0	S757	CSMNETLSKQREEID	87 / 8 AA	88
Phosphosite 2:	ZNF507	Q8TCN5	S410	PSAEETLSQKRFLMN	87 / 8 AA	106
Phosphosite 3:	CHMP4B	Q9H444	S37	RDTEEMLSKKQEFLE	77 / 9 AA	25
Phosphosite 4:	CATSPER2	Q96P56	T433	SASKTEETLSKKREY	100 / 7 AA	62
Phosphosite 5:	JOSD3	Q9H5J8	S261	ITEEAALSKKRATKA	66 / 9 AA	32
Phosphosite 6:	STAG1	Q8WVM7	S909	DIIKETLSKTRQIDK	75 / 8 AA	144
Phosphosite 7:	HS3ST4	Q9Y661	S303	SDYTQTLSKKPEIPT	75 / 8 AA	50
Phosphosite 8:	PHF20	Q9BVI0	T511	KPSQETLTRKRVSAS	62 / 8 AA	115
Phosphosite 9:	GPC3	P51654	S385	VEHEETLSSRRRELI	75 / 8 AA	66
Phosphosite 10:	ZMYND19	Q96E35	S117	PKAEETSSKQREQSL	77 / 9 AA	26
Phosphosite 11:	HAUS6	Q7Z4H7	S845	EALKKSLSKKREESY	85 / 7 AA	109
Phosphosite 12:	DDEF1	Q9ULH1	S823	SSGSSTLSKKRPPPP	100 / 6 AA	106
Phosphosite 13:	KIF21A	Q7Z4S6	S965	TKRREKLSKRREKIV	75 / 8 AA	187
Phosphosite 14:	GOLGB1	Q14789	S1739	KMEYETLSKKFQSLM	75 / 8 AA	376
Phosphosite 15:	Grb2	P62993	S75	AKAEEMLSKQRHDGA	75 / 8 AA	25
Phosphosite 16:	ZNF394	Q53GI3	S83	AGPEEALSRLRELCR	66 / 9 AA	64
Phosphosite 17:	FSIP2	Q5CZC0	S2744	PDSEETLSNSKEHIT	66 / 9 AA	370
Phosphosite 18:	ZNF445	P59923	S74	SGPLETLSRLRELCR	75 / 8 AA	119
Phosphosite 19:	SYCE1	Q8N0S2	S103	VHLKEILSKKQETLR	75 / 8 AA	40
Phosphosite 20:	LAMB3	Q13751	S677	PLEEETLSLPRDLES	66 / 9 AA	130