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:	RSPO3
Human P-Site:	S25
P-Site Sequence:	YIGSQNASRGRRQRR
UniProt:	Q9BXY4
Intern. Prot. ID:	IPI00396633

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	RSPO3	Q9BXY4	S25	YIGSQNASRGRRQRR	100 / 9 AA	31
Phosphosite 1:	C20orf151	Q8NC74	S631	DKASKKPSRGRRKLT	66 / 9 AA	71
Phosphosite 2:	GBF1	Q92538	S1470	RTSSQHASRGGQSDD	85 / 7 AA	206
Phosphosite 3:	LRRFIP2	Q9Y608	S254	IVSSDRASRGRRESV	77 / 9 AA	82
Phosphosite 4:	SPOCD1	Q6ZMY3	S372	EAKAQPASRGRLEQG	75 / 8 AA	130
Phosphosite 5:	KIAA1109	Q2LD37	S3898	KTESPNASRGSSLPR	85 / 7 AA	555
Phosphosite 6:	SLMO2	Q9Y3B1	S154	STISSNASKGREAME	75 / 8 AA	21
Phosphosite 7:	HRNR	Q86YZ3	S661	SGSGQSPSRGRHGSD	62 / 8 AA	282
Phosphosite 8:	HRNR	Q86YZ3	S1714	SGSGQSPSRGRHGSG	62 / 8 AA	282
Phosphosite 9:	HRNR	Q86YZ3	S1361	AGSGQSPSRGRHGSG	62 / 8 AA	282
Phosphosite 10:	USP17L1P	Q7RTZ2	S386	ERHSESVSRGREPRA	62 / 8 AA	60
Phosphosite 11:	USP17L2	Q6R6M4	S386	ERHSESVSRGREPRA	62 / 8 AA	60
Phosphosite 12:	USP17L6	Q6QN14	S386	ERHSESVSRGREPRA	62 / 8 AA	45
Phosphosite 13:	FAM84B	Q96KN1	S159	NSFLTDASQGRRGRV	71 / 7 AA	34
Phosphosite 14:	SFRS7	Q16629	S138	RSRSHSRSRGRRYSR	66 / 9 AA	27
Phosphosite 15:	PPP1R3E	Q9H7J1	S59	RSRAHAPSRGRRARS	55 / 9 AA	31
Phosphosite 16:	TTBK1	Q5TCY1	S816	LADDQKESRGRASMA	71 / 7 AA	143
Phosphosite 17:	BSN	Q9UPA5	S674	KPYSQDASRSPQSLS	55 / 9 AA	416
Phosphosite 18:	SFRS11	Q05519	S340	ARRSRSASRERRRRR	66 / 9 AA	54
Phosphosite 19:	SLC22A14	Q9Y267	S17	ELRSQDASRNLNQHE	83 / 6 AA	67
Phosphosite 20:	PDE8B	O95263	S90	AAPAATTSRGRRRHC	71 / 7 AA	99