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:	SOSTDC1
Human P-Site:	S198
P-Site Sequence:	HRERKRASKSSKHSM
UniProt:	Q6X4U4
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SOSTDC1	Q6X4U4	S198	HRERKRASKSSKHSM	100 / 9 AA	23
Phosphosite 1:	NKTR	P30414	S564	SGHRKRASKSPRKTA	77 / 9 AA	166
Phosphosite 2:	SOSTDC1	Q6X4U4	S200	ERKRASKSSKHSMS_	100 / 7 AA	23
Phosphosite 3:	PHC2	Q8IXK0	S701	THNRRRASKASLPPL	75 / 8 AA	91
Phosphosite 4:	ANKRD11	Q6UB99	S603	QEHRKRASLSEKKSP	77 / 9 AA	298
Phosphosite 5:	BRDT	Q58F21	T620	LNSRKRQTKSDKTQP	66 / 9 AA	108
Phosphosite 6:	Fbx4	Q9UKT5	S154	CPYTRRASKSSRPMY	75 / 8 AA	44
Phosphosite 7:	TULP4	Q9NRJ4	S539	KISRASKSPKLPRIS	85 / 7 AA	169
Phosphosite 8:	SCD5	Q86SK9	T314	ATDRKRATKPMIEAR	71 / 7 AA	38
Phosphosite 9:	LAMB1	P07942	S1582	LEEAKRASKSATDVK	85 / 7 AA	198
Phosphosite 10:	TULP4	Q9NRJ4	S537	SPKISRASKSPKLPR	85 / 7 AA	169
Phosphosite 11:	KIAA1109	Q2LD37	T1525	KHPTNKRTSKSSLHR	85 / 7 AA	555
Phosphosite 12:	SON	P18583	S1852	SRARKRSSKSKSHRS	85 / 7 AA	264
Phosphosite 13:	TIGD3	Q6B0B8	S74	ERKRKRESKYSGIDE	75 / 8 AA	52
Phosphosite 14:	KIAA1109	Q2LD37	S1526	HPTNKRTSKSSLHRP	85 / 7 AA	555
Phosphosite 15:	SON	P18583	S1851	RSRARKRSSKSKSHR	85 / 7 AA	264
Phosphosite 16:	KIF9	Q9HAQ2	S611	NERRKRASETTQHIN	55 / 9 AA	90
Phosphosite 17:	Fbx4	Q9UKT5	S156	YTRRASKSSRPMYGA	85 / 7 AA	44
Phosphosite 18:	C12orf26	Q8N6Q8	S348	KERRKMTSKSSESNI	75 / 8 AA	68
Phosphosite 19:	C8orf44	Q96CB5	S145	ITGRKRLSKGSWSLL	75 / 8 AA	18
Phosphosite 20:	C1orf14	Q9BZQ2	S77	LRRWRRASKASVPAD	62 / 8 AA	81