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:	SPON1
Human P-Site:	S523
P-Site Sequence:	SCGMGMRSRERYVKQ
UniProt:	Q9HCB6
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SPON1	Q9HCB6	S523	SCGMGMRSRERYVKQ	100 / 9 AA	91
Phosphosite 1:	EDN1	P05305	S200	PKLKGKPSRERYVTH	66 / 9 AA	24
Phosphosite 2:	ARHGEF1	Q92888	S309	KGGVGMPSRDRNIGA	55 / 9 AA	102
Phosphosite 3:	ADAMTS20	P59510	S988	SCGGGERSRESYCMN	75 / 8 AA	215
Phosphosite 4:	EVPL	Q92817	S1873	GGIVDLLSRERYSVH	55 / 9 AA	232
Phosphosite 5:	RECQL4	O94761	S750	AYHAGMCSRERRRVQ	85 / 7 AA	133
Phosphosite 6:	RREB1	Q92766	S1161	GRKRGMRSRPRANSG	85 / 7 AA	181
Phosphosite 7:	KCNH7	Q9NS40	S994	KDITDMRSWERENAH	71 / 7 AA	135
Phosphosite 8:	KIAA0443	Q96D09	S625	KIAMGMRSASQFTRD	55 / 9 AA	94
Phosphosite 9:	GPRASP1	Q5JY77	S1183	KIAMGMRSASQFTRD	55 / 9 AA	157
Phosphosite 10:	CNBP	P62633	S31	GRGRGMRSRGRGGFT	85 / 7 AA	19
Phosphosite 11:	ITGB1BP3	Q9NPI5	S175	VYLDGMKSREELFRE	83 / 6 AA	26
Phosphosite 12:	FAM30A	Q9NZY2	S31	TSGAALRSRERPSWP	71 / 7 AA	17
Phosphosite 13:	ZNRF1	Q8ND25	S48	GGAMGLRSRSVSSVA	83 / 6 AA	24
Phosphosite 14:	ABCC9	O60706	S746	PSFEATRSRNRYSVA	62 / 8 AA	174
Phosphosite 15:	CCDC13	Q8IYE1	S354	KKFEGMRSRNKLLSS	71 / 7 AA	81
Phosphosite 16:	EDN1	P05305	Y204	GKPSRERYVTHNRAH	100 / 5 AA	24
Phosphosite 17:	DOCK6	Q96HP0	S1339	RQEMVRRSRERSPFG	75 / 8 AA	230
Phosphosite 18:	UBR1	Q8IWV7	S1711	RGNPLHLSRERYRKL	100 / 5 AA	200
Phosphosite 19:	PARP8	Q8N3A8	S5	___MGMCSRQERIQK	71 / 7 AA	96
Phosphosite 20:	SPON1	Q9HCB6	Y527	GMRSRERYVKQFPED	100 / 5 AA	91