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:	PAPPA
Human P-Site:	S520
P-Site Sequence:	LNIFFAKSSEEELAG
UniProt:	Q13219
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PAPPA	Q13219	S520	LNIFFAKSSEEELAG	100 / 9 AA	181
Phosphosite 1:	PAPPA	Q13219	S521	NIFFAKSSEEELAGV	100 / 8 AA	181
Phosphosite 2:	WNT5B	Q9H1J7	S189	EKNFAKGSEEQGRVL	75 / 8 AA	40
Phosphosite 3:	3BP2	P78314	S113	RTWFFSASSEEERKS	77 / 9 AA	62
Phosphosite 4:	ALG6	Q9Y672	T411	SFSIFEKTSEEELQL	66 / 9 AA	58
Phosphosite 5:	USP20	Q9Y2K6	S685	YVLFYRKSSEEAMRE	75 / 8 AA	102
Phosphosite 6:	USP33	Q8TEY7	S715	YVLFYRKSSEEAQKE	75 / 8 AA	107
Phosphosite 7:	TOP2B	Q02880	S1613	EVKYFAESDEEEDDV	66 / 9 AA	183
Phosphosite 8:	CCT-zeta	P40227	S252	NSGFFYKSAEEREKL	75 / 8 AA	58
Phosphosite 9:	MOCS2	O96033	S15	EVLYFAKSAEITGVR	71 / 7 AA	10
Phosphosite 10:	VPS8	Q8N3P4	S19	QSLCAKTSEEELNKS	85 / 7 AA	162
Phosphosite 11:	TRPS1	Q9UHF7	S489	NQNDLAKSSEGETMT	75 / 8 AA	142
Phosphosite 12:	CDC40	O60508	S209	EKDVAKPSEEEQKEL	85 / 7 AA	66
Phosphosite 13:	PPP1R10	Q96QC0	S123	LVKQLSKSSEDEELR	62 / 8 AA	99
Phosphosite 14:	C1orf228	Q6PIY5	S159	IAEFLAKSKSEETQE	66 / 9 AA	49
Phosphosite 15:	BMP2K	Q9NSY1	S753	SDPPSPKSSEEEEQD	85 / 7 AA	129
Phosphosite 16:	BMP2KL	Q5H9B9	S8	MIAPSPKSSEEEGQK	85 / 7 AA	46
Phosphosite 17:	BMP2KL	Q5H9B9	S9	IAPSPKSSEEEGQKD	85 / 7 AA	46
Phosphosite 18:	Sos1	Q07889	S530	SVIFSAKSAEEKNNW	75 / 8 AA	152
Phosphosite 19:	NOLC1	Q14978	S563	NGKAAKNSEEEEEEK	85 / 7 AA	74
Phosphosite 20:	TATDN2	Q93075	S453	RSFRFSRSSEEREVK	71 / 7 AA	85