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:	S261
P-Site Sequence:	GSYQRGISDYHSEYH
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	S261	GSYQRGISDYHSEYH	100 / 9 AA	90
Phosphosite 1:	CATSPER1	Q8NEC5	Y263	YQRGISDYHSEYHQG	100 / 7 AA	90
Phosphosite 2:	ITM2C	Q9NQX7	T153	HDFQRGLTAYHDISL	62 / 8 AA	30
Phosphosite 3:	ERBB3	P21860	S1130	SPRPRGDSAYHSQRH	66 / 9 AA	148
Phosphosite 4:	FUCA2	Q9BTY2	S311	YRREAGISDYLTIEE	55 / 9 AA	54
Phosphosite 5:	HS3ST3A1	Q9Y663	S251	DPVTRAISDYTQTLS	83 / 6 AA	45
Phosphosite 6:	HS3ST3B1	Q9Y662	S236	DPVTRAISDYTQTLS	83 / 6 AA	43
Phosphosite 7:	HS3ST4	Q9Y661	S296	NPVTRAISDYTQTLS	83 / 6 AA	50
Phosphosite 8:	HS3ST2	Q9Y278	S213	NPVTRAISDYTQTLS	83 / 6 AA	42
Phosphosite 9:	HS3ST5	Q8IZT8	S191	EPTTRAISDYTQVLE	83 / 6 AA	40
Phosphosite 10:	HS3ST6	Q96QI5	S189	NPVTRAISDYAQTLS	83 / 6 AA	37
Phosphosite 11:	RANBP17	Q9H2T7	S653	HFPFLGISDNHSLSD	85 / 7 AA	124
Phosphosite 12:	SIRT4	Q9Y6E7	Y74	TESGIPDYRSEKVGL	71 / 7 AA	35
Phosphosite 13:	FAM105A	Q9NUU6	Y219	EFNGIRDYHKRGSMC	83 / 6 AA	42
Phosphosite 14:	NYREN18	Q9Y5A7	Y351	LLQGIRNYHSGNDVE	71 / 7 AA	71
Phosphosite 15:	PREX1	Q8TCU6	Y348	VEDGTADYHSNGYTV	71 / 7 AA	186
Phosphosite 16:	BTG3	Q14201	S140	RALDKVTSDYHSGSS	55 / 9 AA	29
Phosphosite 17:	CDR2	Q01850	S344	AVKQRGISLLHEVDT	75 / 8 AA	52
Phosphosite 18:	FUCA2	Q9BTY2	Y313	REAGISDYLTIEELV	71 / 7 AA	54
Phosphosite 19:	KIAA1305	Q9P2P1	S214	SRFGISDSHSDPEVL	85 / 7 AA	208
Phosphosite 20:	CCDC150	Q8NCX0	S537	LELQQVTSDYHGLAQ	55 / 9 AA	129