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:	S37
P-Site Sequence:	RRISAEGSQACAKGC
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	S37	RRISAEGSQACAKGC	100 / 9 AA	29
Phosphosite 1:	TAS1R1	Q7RTX1	S549	EEWAPEGSQTCFPRT	71 / 7 AA	93
Phosphosite 2:	TAS1R1	Q7RTX1	T551	WAPEGSQTCFPRTVV	83 / 6 AA	93
Phosphosite 3:	KCNE1L	Q9UJ90	S95	VEAKDEPSQACAEHE	85 / 7 AA	15
Phosphosite 4:	NRAGE	Q9Y5V3	S233	AQTSADGSQAQNLES	85 / 7 AA	86
Phosphosite 5:	WASF3	Q9UPY6	S316	PPQAPEGSQASAPMA	75 / 8 AA	55
Phosphosite 6:	NEK4	P51957	S316	QPLSSEGSQTYIMGE	62 / 8 AA	95
Phosphosite 7:	RECQL	P46063	S602	QNSFRAESSQTCHSE	71 / 7 AA	73
Phosphosite 8:	RECQL	P46063	S603	NSFRAESSQTCHSEQ	71 / 7 AA	73
Phosphosite 9:	C20orf151	Q8NC74	S229	IAVVRPGSQACPADR	83 / 6 AA	71
Phosphosite 10:	MACF1	Q9UPN3	S2979	EIFDALGSQACSNKN	85 / 7 AA	620
Phosphosite 11:	MACF1	Q96PK2	S3481	EIFDALGSQACSNKN	85 / 7 AA	670
Phosphosite 12:	APBA2	Q99767	S157	HGHEAEGSQDYPDGQ	62 / 8 AA	83
Phosphosite 13:	TLN2	Q9Y4G6	S1595	AQISSEGSQAQEPIL	85 / 7 AA	272
Phosphosite 14:	ZNF491	Q8N8L2	S12	LFESAEGSQCGETFT	100 / 6 AA	51
Phosphosite 15:	ANK1	P16157	S528	ALLEKEASQACMTKK	83 / 6 AA	206
Phosphosite 16:	IL17R	Q96F46	S629	PLVREPGSQACLAID	100 / 5 AA	96
Phosphosite 17:	RBBP5	Q15291	S445	RQSSADGSQPPKKKP	71 / 7 AA	59
Phosphosite 18:	COL2A1	P02458	S1386	RLLSTEGSQNITYHC	55 / 9 AA	142
Phosphosite 19:	CADM2	Q8N3J6	S423	AIINAEGSQVNAEEK	66 / 9 AA	48
Phosphosite 20:	EIF2C2	Q9UKV8	S828	EHDSAEGSHTSGQSN	55 / 9 AA	97