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:	S391
P-Site Sequence:	QDISTKHSEDWGKEE
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	S391	QDISTKHSEDWGKEE	100 / 9 AA	90
Phosphosite 1:	USO1	O60763	S106	EENSTRQSEDLGSQF	66 / 9 AA	108
Phosphosite 2:	ICK	Q9UPZ9	S415	ISRSTKDSDDWADLD	66 / 9 AA	71
Phosphosite 3:	ATG2B	Q96BY7	S652	LQLHYKHSENRGPQG	71 / 7 AA	233
Phosphosite 4:	SPINT1	O43278	T246	TVLSTKQTEDYCLAS	62 / 8 AA	58
Phosphosite 5:	NEFH	P12036	S289	AVQSTLQSEEWFRVR	62 / 8 AA	112
Phosphosite 6:	USP1	O94782	S257	EMDSMRHSEDFKEKL	62 / 8 AA	88
Phosphosite 7:	FIGF	O43915	S59	ELLRITHSEDWKLWR	100 / 5 AA	40
Phosphosite 8:	JMJD2A	O75164	S758	GVPPAKASEDWMCSR	62 / 8 AA	121
Phosphosite 9:	BSDC1	Q9NW68	S392	KGSSTDISEDWEKDF	75 / 8 AA	47
Phosphosite 10:	SYCP2L	Q5T4T6	S621	ELSSLKHSEDEEKPK	85 / 7 AA	94
Phosphosite 11:	SLC39A8	Q9C0K1	S126	HKTRPSHSEVWGYGF	83 / 6 AA	50
Phosphosite 12:	HEMGN	Q9BXL5	S349	TIQETPHSEDYSIEI	62 / 8 AA	55
Phosphosite 13:	PLD2	O14939	S378	YLKRPAHSDDWRLDI	80 / 5 AA	106
Phosphosite 14:	THOC1	Q96FV9	T203	STLGQKHTEDREEGM	66 / 6 AA	76
Phosphosite 15:	PPP4R1	Q8TF05	S939	HPASTKISEDAMSTA	85 / 7 AA	107
Phosphosite 16:	UBR2	Q8IWV8	S1275	NNASTKNSENVDELQ	71 / 7 AA	201
Phosphosite 17:	SHPRH	Q149N8	S1661	TNSSAKHSEASVLTV	62 / 8 AA	193
Phosphosite 18:	TOM1	O60784	S27	ATDGSLQSEDWALNM	66 / 6 AA	54
Phosphosite 19:	NPAS4	Q8IUM7	S723	DLSTPDPSEEWGSGD	66 / 6 AA	87
Phosphosite 20:	TOM1L2	Q6ZVM7	S27	ATDGSLQSEDWTLNM	80 / 5 AA	56