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:	T139
P-Site Sequence:	GSSAANGTMECSSPA
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	T139	GSSAANGTMECSSPA	100 / 9 AA	29
Phosphosite 1:	RhoA	P61586	Y156	NRIGAFGYMECSAKT	66 / 9 AA	22
Phosphosite 2:	HMCN1	Q96RW7	T5617	SSYSANGTIEYQTTF	62 / 8 AA	613
Phosphosite 3:	TP53BP1	Q12888	S1160	GIQTMECSLRVPETV	100 / 5 AA	214
Phosphosite 4:	TP53BP1	Q12888	T1156	QNNIGIQTMECSLRV	100 / 5 AA	214
Phosphosite 5:	ULK4	Q96C45	T302	DLSLSRNTMECSGPQ	100 / 5 AA	65
Phosphosite 6:	SRPX	P78539	Y272	LNAPENGYMKCSSDG	55 / 9 AA	52
Phosphosite 7:	TTF-1	P43699	S361	GSDYGTMSCSTLLYG	71 / 7 AA	39
Phosphosite 8:	EZH2	Q15910	T80	SVSSLRGTRECSVTS	83 / 6 AA	85
Phosphosite 9:	TTF-1	P43699	T359	SSGSDYGTMSCSTLL	71 / 7 AA	39
Phosphosite 10:	ARID2	Q68CP9	T1509	DVRSTNGTAECKTVK	62 / 8 AA	197
Phosphosite 11:	CCDC45	Q96GE4	T526	GEAVRKGTPECSQPW	71 / 7 AA	95
Phosphosite 12:	ASXL2	Q76L83	T854	VHCAADGTVELKAGP	71 / 7 AA	154
Phosphosite 13:	FOXO3	O43524	S619	DLDMFNGSLECDMES	66 / 6 AA	71
Phosphosite 14:	SLC46A3	Q7Z3Q1	T231	ECSSQNVTMSCSEGF	71 / 7 AA	52
Phosphosite 15:	Thsd4	Q6ZMP0	T626	HNWKQLGTTECSTTC	83 / 6 AA	112
Phosphosite 16:	IQSEC2	Q5JU85	T1109	AKDSVNGTMARSSLE	55 / 9 AA	162
Phosphosite 17:	FAM47C	Q5HY64	S834	LFQEGTSSTMECVSD	50 / 8 AA	115
Phosphosite 18:	PHF3	Q92576	T799	EFHSGDKTMECEKLG	50 / 8 AA	229
Phosphosite 19:	KIF21B	O75037	S693	DRVLQNLSTMECYTE	80 / 5 AA	183
Phosphosite 20:	SLC46A3	Q7Z3Q1	S233	SSQNVTMSCSEGFKN	71 / 7 AA	52