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:	S521
P-Site Sequence:	NIFFAKSSEEELAGV
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	S521	NIFFAKSSEEELAGV	100 / 9 AA	181
Phosphosite 1:	PAPPA	Q13219	S520	LNIFFAKSSEEELAG	100 / 8 AA	181
Phosphosite 2:	VPS8	Q8N3P4	S19	QSLCAKTSEEELNKS	87 / 8 AA	162
Phosphosite 3:	WNT5B	Q9H1J7	S189	EKNFAKGSEEQGRVL	75 / 8 AA	40
Phosphosite 4:	SLC10A6	Q3KNW5	S16	SACPANSSEEELPVG	87 / 8 AA	41
Phosphosite 5:	KIAA1530	Q2YD98	S35	LKKICKSSEEQLSRA	66 / 9 AA	81
Phosphosite 6:	USP37	Q86T82	S704	NSGFDRMSEEELLAA	66 / 9 AA	110
Phosphosite 7:	FAM161A	Q3B820	S174	SSLYVSSSEEELPNL	66 / 9 AA	77
Phosphosite 8:	ALG6	Q9Y672	T411	SFSIFEKTSEEELQL	75 / 8 AA	58
Phosphosite 9:	KCTD17	Q8N5Z5	T213	SSRKTKSTEEQLEEQ	62 / 8 AA	36
Phosphosite 10:	ERCC5	P28715	S357	AALLGSSSEEELESE	66 / 9 AA	133
Phosphosite 11:	TMOD2	Q9NZR1	S25	DELLGKLSEEELKQL	66 / 9 AA	40
Phosphosite 12:	eIF3S6IP	Q9Y262	S208	RCKTAKKSEEEIDFL	75 / 8 AA	67
Phosphosite 13:	CDC40	O60508	S209	EKDVAKPSEEEQKEL	85 / 7 AA	66
Phosphosite 14:	TATDN2	Q93075	S453	RSFRFSRSSEEREVK	71 / 7 AA	85
Phosphosite 15:	BMP2K	Q9NSY1	S753	SDPPSPKSSEEEEQD	85 / 7 AA	129
Phosphosite 16:	BMP2KL	Q5H9B9	S8	MIAPSPKSSEEEGQK	85 / 7 AA	46
Phosphosite 17:	RCVRN	P35243	S24	LQLNTKFSEEELCSW	75 / 8 AA	23
Phosphosite 18:	TRPS1	Q9UHF7	S489	NQNDLAKSSEGETMT	75 / 8 AA	142
Phosphosite 19:	BMP2KL	Q5H9B9	S9	IAPSPKSSEEEGQKD	85 / 7 AA	46
Phosphosite 20:	NOLC1	Q14978	S563	NGKAAKNSEEEEEEK	85 / 7 AA	74