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:	S239
P-Site Sequence:	SKEAGAGSRRRKGQQ
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	S239	SKEAGAGSRRRKGQQ	100 / 9 AA	29
Phosphosite 1:	ZNF366	Q8N895	S76	GVFEGAGSRKRKSMP	77 / 9 AA	85
Phosphosite 2:	USP20	Q9Y2K6	S433	AQVLSAGSRRRKEQR	87 / 8 AA	102
Phosphosite 3:	FBXO33	Q7Z6M2	S53	RGRPGAGSRRRGRMA	87 / 8 AA	63
Phosphosite 4:	ZFP91	Q96JP5	S69	AAAAAAVSRRRKAEY	77 / 9 AA	63
Phosphosite 5:	NCRNA00176	Q6ZNR8	S186	ARLAAAGSRRRPALH	87 / 8 AA	22
Phosphosite 6:	DDX11	Q96FC9	S961	DPGTGVSSRRRKWGN	66 / 9 AA	108
Phosphosite 7:	CELSR3	Q9NYQ7	S195	QRNAGTGSRKRVGTA	75 / 8 AA	358
Phosphosite 8:	ZNF219	Q9P2Y4	S605	SSGAGPGSRRKPASP	75 / 8 AA	77
Phosphosite 9:	AHNAK2	Q8IVF2	S317	EQKAGPGSQRRRKFL	66 / 9 AA	617
Phosphosite 10:	ZSCAN10	Q96SZ4	S457	RSSEGSGSRRRDSDR	75 / 8 AA	80
Phosphosite 11:	EVC	P57679	S83	PSETGSPSRRRKREV	66 / 9 AA	112
Phosphosite 12:	Syntaphilin	O15079	S15	SRRTSAGSRRRTSPP	66 / 9 AA	54
Phosphosite 13:	PSD	A5PKW4	S1019	EPRPGAGSGRRKP__	77 / 9 AA	110
Phosphosite 14:	BAI1	O14514	S542	SVTCGAGSQRRERVC	75 / 8 AA	174
Phosphosite 15:	KIAA0913	A7E2V4	S603	KGSAGGGSKRRLSSE	75 / 8 AA	197
Phosphosite 16:	Uncharacterized protein FLJ43738	Q6ZUG5	S146	PTHCGQDSRRRKVVG	75 / 8 AA	66
Phosphosite 17:	KIAA1957	Q8TF44	S276	TPDASPGSRRRLTRR	75 / 8 AA	45
Phosphosite 18:	FBXL6	Q8N531	S272	SFLEEAGSRMRKLWL	66 / 9 AA	59
Phosphosite 19:	PPA2	Q9H2U2	S28	GTSAGTGSRRAMALY	85 / 7 AA	38
Phosphosite 20:	CCDC108	Q6ZU64	S327	TCWYGAGSRQRSSIQ	85 / 7 AA	217