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:	RSPO1
Human P-Site:	S48
P-Site Sequence:	AKGCELCSEVNGCLK
UniProt:	Q2MKA7
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	RSPO1	Q2MKA7	S48	AKGCELCSEVNGCLK	100 / 9 AA	29
Phosphosite 1:	ITSN1	Q15811	S1418	EKAEELCSQVNEGVR	85 / 7 AA	195
Phosphosite 2:	LTBP4	Q8N2S1	S328	VHDCQLCSERLGNSE	66 / 9 AA	173
Phosphosite 3:	RBM21	Q9H6E5	S400	SRFLSLCSELDGRVR	71 / 7 AA	94
Phosphosite 4:	DNAH6	Q9C0G6	Y1802	SITMGELYGEVNNLT	71 / 7 AA	476
Phosphosite 5:	NPAT	Q14207	S1173	NKENELCSDVERQKN	83 / 6 AA	154
Phosphosite 6:	TG	P01266	S2036	SLGIQMCSEENGGAW	62 / 8 AA	305
Phosphosite 7:	KIF13B	Q9NQT8	S582	GDSSSEVSSEVNFNY	62 / 8 AA	203
Phosphosite 8:	KIF13B	Q9NQT8	S583	DSSSEVSSEVNFNYE	62 / 8 AA	203
Phosphosite 9:	HHIP	Q96QV1	S455	LTILCSDSNGKNRSS	71 / 7 AA	79
Phosphosite 10:	SKA1	Q96BD8	S11	SDLEQLCSHVNEKIG	71 / 7 AA	29
Phosphosite 11:	HHIP	Q96QV1	S453	INLTILCSDSNGKNR	71 / 7 AA	79
Phosphosite 12:	DOPEY2	Q9Y3R5	Y494	DVIPLELYSEVQTQY	83 / 6 AA	258
Phosphosite 13:	MAP3K7IP3	Q8N5C8	S545	EELERLKSEVNGMEH	85 / 7 AA	79
Phosphosite 14:	NOD2	Q9HC29	S30	SPGCEMCSQEAFQAQ	66 / 6 AA	115
Phosphosite 15:	SPINK5	Q9NQ38	S368	TSYAELCSEYRKLVR	100 / 5 AA	121
Phosphosite 16:	IKZF5	Q9H5V7	S144	PYKCELCSFRCSDRS	100 / 5 AA	47
Phosphosite 17:	QRSL1	Q9H0R6	S292	YLVPELSSEVQSLWS	55 / 9 AA	57
Phosphosite 18:	SFRS5	Q13243	S64	LDGKELCSERVTIEH	100 / 5 AA	31
Phosphosite 19:	NFAT4	Q12968	S359	PGKLELCSDDQGSLS	62 / 8 AA	116
Phosphosite 20:	SRY	Q05066	S155	DPASVLCSEVQLDNR	100 / 5 AA	24