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:	CATSPER4
Human P-Site:	S370
P-Site Sequence:	GGPLSNLSENTCDNF
UniProt:	Q7RTX7
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CATSPER4	Q7RTX7	S370	GGPLSNLSENTCDNF	100 / 9 AA	54
Phosphosite 1:	C8orf39	Q9P1G2	T94	GELPPNLTENTCPSQ	75 / 8 AA	11
Phosphosite 2:	MDGA1	Q8NFP4	S749	PINSPNLSDNTCHFE	75 / 8 AA	106
Phosphosite 3:	C15orf27	Q2M3C6	S448	QDLLSSLSEDPCPSQ	66 / 9 AA	58
Phosphosite 4:	DDX58	O95786	S223	DPECQNLSENSCPPS	85 / 7 AA	107
Phosphosite 5:	CHML	P26374	S442	IVEDSYLSEETCSNV	75 / 8 AA	74
Phosphosite 6:	DAPK1	P53355	S432	VDTLKFLSENKCPLD	66 / 9 AA	160
Phosphosite 7:	MDGA1	Q8NFP4	T752	SPNLSDNTCHFEDEK	83 / 6 AA	106
Phosphosite 8:	PDE8A	O60658	S153	SIRSSKLSENTVIVG	75 / 8 AA	93
Phosphosite 9:	EIF3G	O75821	S247	TIRVTNLSEDTRETD	55 / 9 AA	36
Phosphosite 10:	DDX58	O95786	S226	CQNLSENSCPPSEVS	83 / 6 AA	107
Phosphosite 11:	STXBP4	Q6ZWJ1	S452	STPLSNLSERRAVLA	100 / 6 AA	62
Phosphosite 12:	KDM1	O60341	S131	DESLANLSEDEYYSE	55 / 9 AA	93
Phosphosite 13:	ANKRD20A3	Q5VUR7	S400	KSEKIQLSENICDST	83 / 6 AA	94
Phosphosite 14:	ANKRD20A1	Q5TYW2	S400	KSEKIQLSENICDST	83 / 6 AA	94
Phosphosite 15:	ANKRD20A2	Q5SQ80	S400	KSEKIQLSENICDST	83 / 6 AA	94
Phosphosite 16:	ANKRD20B	Q5CZ79	S400	KSEKIQLSENICDST	83 / 6 AA	94
Phosphosite 17:	ANKRD20A4	Q4UJ75	S400	KSEKIQLSENICDST	83 / 6 AA	94
Phosphosite 18:	Asxl3	Q9C0F0	S603	SDPEEQLSENACISE	83 / 6 AA	242
Phosphosite 19:	CATSPER4	Q7RTX7	S367	PLAGGPLSNLSENTC	100 / 6 AA	54
Phosphosite 20:	PDE4A	P27815	S223	PVCKATLSEETCQQL	62 / 8 AA	98